contracts

package
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 Go to latest Published: Jan 23, 2026 License: MIT Imports: 4 Imported by: 0

Documentation

Overview

Package contracts defines typed data transfer objects for API communication

Index

Constants

View Source 
const (
	OperationTypeRead        = "read"
	OperationTypeWrite       = "write"
	OperationTypeDestructive = "destructive"
)

Operation type constants for intent declaration

View Source 
const (
	DataSensitivityPublic   = "public"
	DataSensitivityInternal = "internal"
	DataSensitivityPrivate  = "private"
	DataSensitivityUnknown  = "unknown"
)

Data sensitivity constants for intent declaration

View Source 
const (
	ToolVariantRead        = "call_tool_read"
	ToolVariantWrite       = "call_tool_write"
	ToolVariantDestructive = "call_tool_destructive"
)

Tool variant constants for intent-based tool calling

View Source 
const (
	IntentErrorCodeMissing              = "MISSING_INTENT"
	IntentErrorCodeMissingOperationType = "MISSING_OPERATION_TYPE"
	IntentErrorCodeInvalidOperationType = "INVALID_OPERATION_TYPE"
	IntentErrorCodeMismatch             = "INTENT_MISMATCH"
	IntentErrorCodeServerMismatch       = "SERVER_MISMATCH"
	IntentErrorCodeInvalidSensitivity   = "INVALID_SENSITIVITY"
	IntentErrorCodeReasonTooLong        = "REASON_TOO_LONG"
)

Error codes for intent validation

View Source 
const (
	OAuthValidationServerNotFound    = "server_not_found"
	OAuthValidationServerDisabled    = "server_disabled"
	OAuthValidationServerQuarantined = "server_quarantined"
	OAuthValidationNotSupported      = "oauth_not_supported"
	OAuthValidationFlowInProgress    = "flow_in_progress"
)

OAuth validation error type constants

View Source 
const (
	OAuthErrorMetadataMissing  = "oauth_metadata_missing"
	OAuthErrorMetadataInvalid  = "oauth_metadata_invalid"
	OAuthErrorResourceMismatch = "oauth_resource_mismatch"
	OAuthErrorClientIDRequired = "oauth_client_id_required"
	OAuthErrorDCRFailed        = "oauth_dcr_failed"
	OAuthErrorFlowFailed       = "oauth_flow_failed"
)

OAuth flow error type constants

View Source 
const (
	OAuthCodeNoMetadata       = "OAUTH_NO_METADATA"
	OAuthCodeBadMetadata      = "OAUTH_BAD_METADATA"
	OAuthCodeResourceMismatch = "OAUTH_RESOURCE_MISMATCH"
	OAuthCodeNoClientID       = "OAUTH_NO_CLIENT_ID"
	OAuthCodeDCRFailed        = "OAUTH_DCR_FAILED"
	OAuthCodeFlowFailed       = "OAUTH_FLOW_FAILED"
)

OAuth flow error code constants (machine-readable)

View Source 
const (
	AuthStateAuthenticated   = "authenticated"
	AuthStateUnauthenticated = "unauthenticated"
	AuthStateExpired         = "expired"
	AuthStateRefreshing      = "refreshing"
)

OAuth Authentication State Constants

View Source 
const MaxReasonLength = 1000

MaxReasonLength is the maximum allowed length for the reason field

Variables

View Source 
var ToolVariantToOperationType = map[string]string{
	ToolVariantRead:        OperationTypeRead,
	ToolVariantWrite:       OperationTypeWrite,
	ToolVariantDestructive: OperationTypeDestructive,
}

ToolVariantToOperationType maps tool variants to their expected operation types

View Source 
var ValidDataSensitivities = []string{
	DataSensitivityPublic,
	DataSensitivityInternal,
	DataSensitivityPrivate,
	DataSensitivityUnknown,
}

ValidDataSensitivities contains all valid data_sensitivity values

View Source 
var ValidOperationTypes = []string{
	OperationTypeRead,
	OperationTypeWrite,
	OperationTypeDestructive,
}

ValidOperationTypes contains all valid operation_type values

Functions

func AssertType 

func AssertType[T any](data interface{}, fieldName string) (T, error)

Type assertion helper with better error messages

func ConvertConfigToContract 

func ConvertConfigToContract(cfg *config.Config) interface{}

ConvertConfigToContract converts config.Config to a map for API response

func DeriveCallWith 

func DeriveCallWith(annotations *config.ToolAnnotations) string

DeriveCallWith derives the recommended tool variant from server annotations. Defaults to call_tool_read as the safest option when intent is unclear. LLMs should analyze the tool description to override this default when appropriate.

Priority:

  1. destructiveHint=true → call_tool_destructive
  2. readOnlyHint=false (explicitly NOT read-only) → call_tool_write
  3. readOnlyHint=true → call_tool_read
  4. No hints / nil annotations → call_tool_read (safe default)

Types

type APIResponse 

type APIResponse struct {
	Success   bool        `json:"success"`
	Data      interface{} `json:"data,omitempty" swaggertype:"object"`
	Error     string      `json:"error,omitempty"`
	RequestID string      `json:"request_id,omitempty"`
}

APIResponse is the standard wrapper for all API responses

func NewErrorResponse 

func NewErrorResponse(errorMsg string) APIResponse

NewErrorResponse creates an error response without request ID (for backward compatibility)

func NewErrorResponseWithRequestID 

func NewErrorResponseWithRequestID(errorMsg, requestID string) APIResponse

NewErrorResponseWithRequestID creates an error response with request ID for log correlation

func NewSuccessResponse 

func NewSuccessResponse(data interface{}) APIResponse

Helper function to create typed API responses

type ActivityDetailResponse 

type ActivityDetailResponse struct {
	Activity ActivityRecord `json:"activity"`
}

ActivityDetailResponse is the response for GET /api/v1/activity/{id}

type ActivityExportFormat 

type ActivityExportFormat string

ActivityExportFormat represents the format for exporting activities 

const (
	// ActivityExportFormatJSON exports as JSON Lines (JSONL)
	ActivityExportFormatJSON ActivityExportFormat = "json"
	// ActivityExportFormatCSV exports as CSV
	ActivityExportFormatCSV ActivityExportFormat = "csv"
)

type ActivityListResponse 

type ActivityListResponse struct {
	Activities []ActivityRecord `json:"activities"`
	Total      int              `json:"total"`
	Limit      int              `json:"limit"`
	Offset     int              `json:"offset"`
}

ActivityListResponse is the response for GET /api/v1/activity

type ActivityRecord 

type ActivityRecord struct {
	ID                string                 `json:"id"`                                       // Unique identifier (ULID format)
	Type              ActivityType           `json:"type"`                                     // Type of activity
	Source            ActivitySource         `json:"source,omitempty"`                         // How activity was triggered: "mcp", "cli", "api"
	ServerName        string                 `json:"server_name,omitempty"`                    // Name of upstream MCP server
	ToolName          string                 `json:"tool_name,omitempty"`                      // Name of tool called
	Arguments         map[string]interface{} `json:"arguments,omitempty" swaggertype:"object"` // Tool call arguments
	Response          string                 `json:"response,omitempty"`                       // Tool response (potentially truncated)
	ResponseTruncated bool                   `json:"response_truncated,omitempty"`             // True if response was truncated
	Status            string                 `json:"status"`                                   // Result status: "success", "error", "blocked"
	ErrorMessage      string                 `json:"error_message,omitempty"`                  // Error details if status is "error"
	DurationMs        int64                  `json:"duration_ms,omitempty"`                    // Execution duration in milliseconds
	Timestamp         time.Time              `json:"timestamp"`                                // When activity occurred
	SessionID         string                 `json:"session_id,omitempty"`                     // MCP session ID for correlation
	RequestID         string                 `json:"request_id,omitempty"`                     // HTTP request ID for correlation
	Metadata          map[string]interface{} `json:"metadata,omitempty" swaggertype:"object"`  // Additional context-specific data
}

ActivityRecord represents an activity record in API responses

type ActivitySSEEvent 

type ActivitySSEEvent struct {
	EventType  string                 `json:"event_type"`                   // SSE event name
	ActivityID string                 `json:"activity_id"`                  // Reference to ActivityRecord
	Timestamp  int64                  `json:"timestamp"`                    // Unix timestamp
	Payload    map[string]interface{} `json:"payload" swaggertype:"object"` // Event-specific data
}

ActivitySSEEvent represents an activity event for SSE streaming

type ActivitySource 

type ActivitySource string

ActivitySource indicates how the activity was triggered 

const (
	// ActivitySourceMCP indicates the activity was triggered via MCP protocol (AI agent)
	ActivitySourceMCP ActivitySource = "mcp"
	// ActivitySourceCLI indicates the activity was triggered via CLI command
	ActivitySourceCLI ActivitySource = "cli"
	// ActivitySourceAPI indicates the activity was triggered via REST API
	ActivitySourceAPI ActivitySource = "api"
)

type ActivitySummaryResponse 

type ActivitySummaryResponse struct {
	Period       string              `json:"period"`                // Time period (1h, 24h, 7d, 30d)
	TotalCount   int                 `json:"total_count"`           // Total activity count
	SuccessCount int                 `json:"success_count"`         // Count of successful activities
	ErrorCount   int                 `json:"error_count"`           // Count of error activities
	BlockedCount int                 `json:"blocked_count"`         // Count of blocked activities
	TopServers   []ActivityTopServer `json:"top_servers,omitempty"` // Top servers by activity count
	TopTools     []ActivityTopTool   `json:"top_tools,omitempty"`   // Top tools by activity count
	StartTime    string              `json:"start_time"`            // Start of the period (RFC3339)
	EndTime      string              `json:"end_time"`              // End of the period (RFC3339)
}

ActivitySummaryResponse is the response for GET /api/v1/activity/summary

type ActivityTopServer 

type ActivityTopServer struct {
	Name  string `json:"name"`  // Server name
	Count int    `json:"count"` // Activity count
}

ActivityTopServer represents a server's activity count in the summary

type ActivityTopTool 

type ActivityTopTool struct {
	Server string `json:"server"` // Server name
	Tool   string `json:"tool"`   // Tool name
	Count  int    `json:"count"`  // Activity count
}

ActivityTopTool represents a tool's activity count in the summary

type ActivityType 

type ActivityType string

ActivityType represents the type of activity being recorded 

const (
	// ActivityTypeToolCall represents a tool execution event
	ActivityTypeToolCall ActivityType = "tool_call"
	// ActivityTypePolicyDecision represents a policy blocking a tool call
	ActivityTypePolicyDecision ActivityType = "policy_decision"
	// ActivityTypeQuarantineChange represents a server quarantine state change
	ActivityTypeQuarantineChange ActivityType = "quarantine_change"
	// ActivityTypeServerChange represents a server configuration change
	ActivityTypeServerChange ActivityType = "server_change"
)

type ApplyConfigRequest 

type ApplyConfigRequest struct {
	Config interface{} `json:"config" swaggertype:"object"` // The new configuration to apply
}

ApplyConfigRequest is the request for POST /api/v1/config/apply

type AuthStatus 

type AuthStatus struct {
	ServerName string     `json:"server_name"`
	State      string     `json:"state"`
	ExpiresAt  *time.Time `json:"expires_at,omitempty"`
	TokenType  string     `json:"token_type,omitempty"`
	Scopes     []string   `json:"scopes,omitempty"`
	Message    string     `json:"message"`
}

AuthStatus represents detailed OAuth authentication status for a single server.

type ConfigApplyResult 

type ConfigApplyResult struct {
	Success            bool              `json:"success"`
	AppliedImmediately bool              `json:"applied_immediately"`
	RequiresRestart    bool              `json:"requires_restart"`
	RestartReason      string            `json:"restart_reason,omitempty"`
	ValidationErrors   []ValidationError `json:"validation_errors,omitempty"`
	ChangedFields      []string          `json:"changed_fields,omitempty"`
}

ConfigApplyResult represents the result of applying a configuration change

type DCRStatus 

type DCRStatus struct {
	Attempted  bool   `json:"attempted"`
	Success    bool   `json:"success"`
	StatusCode int    `json:"status_code,omitempty"`
	Error      string `json:"error,omitempty"`
}

DCRStatus represents the status of Dynamic Client Registration.

type DiagnosticIssue 

type DiagnosticIssue struct {
	Type      string                 `json:"type"`                                    // error, warning, info
	Category  string                 `json:"category"`                                // oauth, connection, secrets, config
	Server    string                 `json:"server,omitempty"`                        // Associated server (if any)
	Title     string                 `json:"title"`                                   // Short title
	Message   string                 `json:"message"`                                 // Detailed message
	Timestamp time.Time              `json:"timestamp"`                               // When detected
	Severity  string                 `json:"severity"`                                // critical, high, medium, low
	Metadata  map[string]interface{} `json:"metadata,omitempty" swaggertype:"object"` // Additional context
}

DiagnosticIssue represents a single diagnostic issue

type Diagnostics 

type Diagnostics struct {
	TotalIssues     int                 `json:"total_issues"`
	UpstreamErrors  []UpstreamError     `json:"upstream_errors"`
	OAuthRequired   []OAuthRequirement  `json:"oauth_required"`
	OAuthIssues     []OAuthIssue        `json:"oauth_issues"`    // OAuth parameter mismatches
	MissingSecrets  []MissingSecretInfo `json:"missing_secrets"` // Renamed to avoid conflict
	RuntimeWarnings []string            `json:"runtime_warnings"`
	DockerStatus    *DockerStatus       `json:"docker_status,omitempty"`
	Timestamp       time.Time           `json:"timestamp"`
}

Diagnostics represents aggregated health information from all MCPProxy components. This is the new unified diagnostics format for the management service.

type DiagnosticsResponse 

type DiagnosticsResponse struct {
	UpstreamErrors  []DiagnosticIssue `json:"upstream_errors"`
	OAuthRequired   []string          `json:"oauth_required"` // Server names
	MissingSecrets  []MissingSecret   `json:"missing_secrets"`
	RuntimeWarnings []DiagnosticIssue `json:"runtime_warnings"`
	TotalIssues     int               `json:"total_issues"`
	LastUpdated     time.Time         `json:"last_updated"`
}

DiagnosticsResponse represents the aggregated diagnostics

type DockerStatus 

type DockerStatus struct {
	Available bool   `json:"available"`
	Version   string `json:"version,omitempty"`
	Error     string `json:"error,omitempty"`
}

DockerStatus represents the availability of Docker daemon for stdio server isolation.

type ErrorResponse 

type ErrorResponse struct {
	Success   bool   `json:"success"`
	Error     string `json:"error"`
	RequestID string `json:"request_id,omitempty"`
}

ErrorResponse is the standard error response for API endpoints. All error responses include a request_id for log correlation.

type Event 

type Event struct {
	Type      string                 `json:"type"`
	Data      interface{}            `json:"data" swaggertype:"object"`
	Server    string                 `json:"server,omitempty"`
	Timestamp time.Time              `json:"timestamp"`
	Metadata  map[string]interface{} `json:"metadata,omitempty" swaggertype:"object"`
}

Event represents a system event for SSE streaming

type GetConfigResponse 

type GetConfigResponse struct {
	Config     interface{} `json:"config" swaggertype:"object"` // The configuration object
	ConfigPath string      `json:"config_path"`                 // Path to config file
}

GetConfigResponse is the response for GET /api/v1/config

type GetMigrationAnalysisResponse 

type GetMigrationAnalysisResponse struct {
	Analysis MigrationAnalysis `json:"analysis"`
}

GetMigrationAnalysisResponse is the response for POST /api/v1/secrets/migrate

type GetRefsResponse 

type GetRefsResponse struct {
	Refs []Ref `json:"refs"`
}

GetRefsResponse is the response for GET /api/v1/secrets/refs

type GetRegistriesResponse 

type GetRegistriesResponse struct {
	Registries []Registry `json:"registries"`
	Total      int        `json:"total"`
}

GetRegistriesResponse is the response for GET /api/v1/registries

type GetServerLogsResponse 

type GetServerLogsResponse struct {
	ServerName string     `json:"server_name"`
	Logs       []LogEntry `json:"logs"`
	Count      int        `json:"count"`
}

GetServerLogsResponse is the response for GET /api/v1/servers/{id}/logs

type GetServerToolCallsResponse 

type GetServerToolCallsResponse struct {
	ServerName string           `json:"server_name"`
	ToolCalls  []ToolCallRecord `json:"tool_calls"`
	Total      int              `json:"total"`
}

GetServerToolCallsResponse is the response for GET /api/v1/servers/{name}/tool-calls

type GetServerToolsResponse 

type GetServerToolsResponse struct {
	ServerName string `json:"server_name"`
	Tools      []Tool `json:"tools"`
	Count      int    `json:"count"`
}

GetServerToolsResponse is the response for GET /api/v1/servers/{id}/tools

type GetServersResponse 

type GetServersResponse struct {
	Servers []Server    `json:"servers"`
	Stats   ServerStats `json:"stats"`
}

GetServersResponse is the response for GET /api/v1/servers

type GetSessionDetailResponse 

type GetSessionDetailResponse struct {
	Session MCPSession `json:"session"`
}

GetSessionDetailResponse is the response for GET /api/v1/sessions/{id}

type GetSessionsResponse 

type GetSessionsResponse struct {
	Sessions []MCPSession `json:"sessions"`
	Total    int          `json:"total"`
	Limit    int          `json:"limit"`
	Offset   int          `json:"offset"`
}

GetSessionsResponse is the response for GET /api/v1/sessions

type GetToolCallDetailResponse 

type GetToolCallDetailResponse struct {
	ToolCall ToolCallRecord `json:"tool_call"`
}

GetToolCallDetailResponse is the response for GET /api/v1/tool-calls/{id}

type GetToolCallsResponse 

type GetToolCallsResponse struct {
	ToolCalls []ToolCallRecord `json:"tool_calls"`
	Total     int              `json:"total"`
	Limit     int              `json:"limit"`
	Offset    int              `json:"offset"`
}

GetToolCallsResponse is the response for GET /api/v1/tool-calls

type HealthStatus 

type HealthStatus struct {
	// Level indicates the health level: "healthy", "degraded", or "unhealthy"
	Level string `json:"level"`

	// AdminState indicates the admin state: "enabled", "disabled", or "quarantined"
	AdminState string `json:"admin_state"`

	// Summary is a human-readable status message (e.g., "Connected (5 tools)")
	Summary string `json:"summary"`

	// Detail is an optional longer explanation of the status
	Detail string `json:"detail,omitempty"`

	// Action is the suggested fix action: "login", "restart", "enable", "approve", "view_logs", "set_secret", "configure", or "" (none)
	Action string `json:"action,omitempty"`
}

HealthStatus represents the unified health status of an upstream MCP server. Calculated once in the backend and rendered identically by all interfaces.

type InfoEndpoints 

type InfoEndpoints struct {
	HTTP   string `json:"http"`   // HTTP endpoint address (e.g., "127.0.0.1:8080")
	Socket string `json:"socket"` // Unix socket path (empty if disabled)
}

InfoEndpoints represents the available API endpoints

type InfoResponse 

type InfoResponse struct {
	Version    string        `json:"version"`          // Current MCPProxy version
	WebUIURL   string        `json:"web_ui_url"`       // URL to access the web control panel
	ListenAddr string        `json:"listen_addr"`      // Listen address (e.g., "127.0.0.1:8080")
	Endpoints  InfoEndpoints `json:"endpoints"`        // Available API endpoints
	Update     *UpdateInfo   `json:"update,omitempty"` // Update information (if available)
}

InfoResponse is the response for GET /api/v1/info

type IntentDeclaration 

type IntentDeclaration struct {
	// OperationType is REQUIRED and must match the tool variant used.
	// Valid values: "read", "write", "destructive"
	OperationType string `json:"operation_type"`

	// DataSensitivity is optional classification of data being accessed/modified.
	// Valid values: "public", "internal", "private", "unknown"
	// Default: "unknown" if not provided
	DataSensitivity string `json:"data_sensitivity,omitempty"`

	// Reason is optional human-readable explanation for the operation.
	// Max length: 1000 characters
	Reason string `json:"reason,omitempty"`
}

IntentDeclaration represents the agent's declared intent for a tool call. This enables the two-key security model where intent must be declared both in tool selection (call_tool_read/write/destructive) and in this parameter.

func IntentFromMap 

func IntentFromMap(m map[string]interface{}) *IntentDeclaration

IntentFromMap creates an IntentDeclaration from a map

func (*IntentDeclaration) ToMap 

func (i *IntentDeclaration) ToMap() map[string]interface{}

ToMap converts IntentDeclaration to a map for storage in metadata

func (*IntentDeclaration) Validate 

func (i *IntentDeclaration) Validate() *IntentValidationError

Validate validates the IntentDeclaration fields

func (*IntentDeclaration) ValidateAgainstServerAnnotations 

func (i *IntentDeclaration) ValidateAgainstServerAnnotations(toolVariant, serverTool string, annotations *config.ToolAnnotations, strict bool) *IntentValidationError

ValidateAgainstServerAnnotations validates intent against server-provided annotations

func (*IntentDeclaration) ValidateForToolVariant 

func (i *IntentDeclaration) ValidateForToolVariant(toolVariant string) *IntentValidationError

ValidateForToolVariant validates that the intent matches the tool variant

type IntentValidationError 

type IntentValidationError struct {
	Code    string                 `json:"code"`                         // Error code for programmatic handling
	Message string                 `json:"message"`                      // Human-readable error message
	Details map[string]interface{} `json:"details" swaggertype:"object"` // Additional context
}

IntentValidationError represents intent validation failures

func NewIntentValidationError 

func NewIntentValidationError(code, message string, details map[string]interface{}) *IntentValidationError

NewIntentValidationError creates a new IntentValidationError

func (*IntentValidationError) Error 

func (e *IntentValidationError) Error() string

Error implements the error interface

type IsolationConfig 

type IsolationConfig struct {
	Enabled     bool   `json:"enabled"`
	Image       string `json:"image,omitempty"`
	MemoryLimit string `json:"memory_limit,omitempty"`
	CPULimit    string `json:"cpu_limit,omitempty"`
	WorkingDir  string `json:"working_dir,omitempty"`
	Timeout     string `json:"timeout,omitempty"`
}

IsolationConfig represents Docker isolation configuration

type LogEntry 

type LogEntry struct {
	Timestamp time.Time              `json:"timestamp"`
	Level     string                 `json:"level"`
	Message   string                 `json:"message"`
	Server    string                 `json:"server,omitempty"`
	Fields    map[string]interface{} `json:"fields,omitempty" swaggertype:"object"`
}

LogEntry represents a single log entry

func ConvertLogEntry 

func ConvertLogEntry(line, serverName string) *LogEntry

ConvertLogEntry converts a string log line to a contracts.LogEntry This is a simplified conversion - in a real implementation you'd parse structured logs

type MCPSession 

type MCPSession struct {
	ID            string     `json:"id"`
	ClientName    string     `json:"client_name,omitempty"`
	ClientVersion string     `json:"client_version,omitempty"`
	Status        string     `json:"status"`
	StartTime     time.Time  `json:"start_time"`
	EndTime       *time.Time `json:"end_time,omitempty"`
	LastActivity  time.Time  `json:"last_activity"`
	ToolCallCount int        `json:"tool_call_count"`
	TotalTokens   int        `json:"total_tokens"`
	// MCP Client Capabilities
	HasRoots     bool     `json:"has_roots,omitempty"`
	HasSampling  bool     `json:"has_sampling,omitempty"`
	Experimental []string `json:"experimental,omitempty"`
}

MCPSession represents a client session with MCPProxy

type MetadataStatus 

type MetadataStatus struct {
	Found                bool     `json:"found"`
	URLChecked           string   `json:"url_checked"`
	Error                string   `json:"error,omitempty"`
	AuthorizationServers []string `json:"authorization_servers,omitempty"`
}

MetadataStatus represents the status of OAuth metadata discovery.

type MigrationAnalysis 

type MigrationAnalysis struct {
	Candidates []MigrationCandidate `json:"candidates"`
	TotalFound int                  `json:"total_found"`
}

MigrationAnalysis represents the result of analyzing configuration for potential secrets

type MigrationCandidate 

type MigrationCandidate struct {
	Field      string  `json:"field"`      // Field path in configuration
	Value      string  `json:"value"`      // Masked value for display
	Suggested  string  `json:"suggested"`  // Suggested secret reference
	Confidence float64 `json:"confidence"` // Confidence score (0.0 to 1.0)
}

MigrationCandidate represents a potential secret that could be migrated to secure storage

type MissingSecret 

type MissingSecret struct {
	Name      string `json:"name"`      // Variable/secret name
	Reference string `json:"reference"` // Original reference (e.g., "${env:API_KEY}")
	Server    string `json:"server"`    // Which server needs it
	Type      string `json:"type"`      // env, keyring, etc.
}

MissingSecret represents an unresolved secret reference

type MissingSecretInfo 

type MissingSecretInfo struct {
	SecretName string   `json:"secret_name"`
	UsedBy     []string `json:"used_by"`
}

MissingSecretInfo represents a secret referenced in configuration but not found. This is used by the new Diagnostics type to avoid field name conflicts.

type NPMPackageInfo 

type NPMPackageInfo struct {
	Exists     bool   `json:"exists"`
	InstallCmd string `json:"install_cmd"`
}

NPMPackageInfo represents NPM package information

type OAuthConfig 

type OAuthConfig struct {
	AuthURL        string            `json:"auth_url"`
	TokenURL       string            `json:"token_url"`
	ClientID       string            `json:"client_id"`
	Scopes         []string          `json:"scopes,omitempty"`
	ExtraParams    map[string]string `json:"extra_params,omitempty"`
	RedirectPort   int               `json:"redirect_port,omitempty"`
	PKCEEnabled    bool              `json:"pkce_enabled,omitempty"`
	TokenExpiresAt *time.Time        `json:"token_expires_at,omitempty"` // When the OAuth token expires
	TokenValid     bool              `json:"token_valid,omitempty"`      // Whether token is currently valid
}

OAuthConfig represents OAuth configuration for a server

type OAuthErrorDetails 

type OAuthErrorDetails struct {
	ServerURL                   string          `json:"server_url"`
	ProtectedResourceMetadata   *MetadataStatus `json:"protected_resource_metadata,omitempty"`
	AuthorizationServerMetadata *MetadataStatus `json:"authorization_server_metadata,omitempty"`
	DCRStatus                   *DCRStatus      `json:"dcr_status,omitempty"`
}

OAuthErrorDetails contains structured discovery/failure details for OAuth errors.

type OAuthFlowError 

type OAuthFlowError struct {
	Success       bool               `json:"success"`           // Always false
	ErrorType     string             `json:"error_type"`        // Category of OAuth runtime failure
	ErrorCode     string             `json:"error_code"`        // Machine-readable error code (e.g., OAUTH_NO_METADATA)
	ServerName    string             `json:"server_name"`       // Server that failed OAuth
	CorrelationID string             `json:"correlation_id"`    // Flow tracking ID for log correlation
	RequestID     string             `json:"request_id"`        // HTTP request ID (from PR #237)
	Message       string             `json:"message"`           // Human-readable error description
	Details       *OAuthErrorDetails `json:"details,omitempty"` // Structured discovery/failure details
	Suggestion    string             `json:"suggestion"`        // Actionable remediation hint
	DebugHint     string             `json:"debug_hint"`        // CLI command for log lookup
}

OAuthFlowError is returned for OAuth runtime failures (after validation passes but before browser opens). Examples: metadata discovery failure, DCR failure, authorization URL construction failure. Implements the error interface so it can be returned as an error while carrying structured data. Spec 020: OAuth Login Error Feedback

func NewOAuthFlowError 

func NewOAuthFlowError(serverName, errorType, errorCode, message, suggestion string) *OAuthFlowError

NewOAuthFlowError creates a new OAuthFlowError with the given parameters.

func (*OAuthFlowError) Error 

func (e *OAuthFlowError) Error() string

Error implements the error interface for OAuthFlowError.

type OAuthIssue 

type OAuthIssue struct {
	ServerName       string   `json:"server_name"`
	Issue            string   `json:"issue"`
	Error            string   `json:"error"`
	MissingParams    []string `json:"missing_params,omitempty"`
	Resolution       string   `json:"resolution"`
	DocumentationURL string   `json:"documentation_url,omitempty"`
}

OAuthIssue represents an OAuth configuration issue (e.g., missing parameters).

type OAuthRequirement 

type OAuthRequirement struct {
	ServerName string     `json:"server_name"`
	State      string     `json:"state"`
	ExpiresAt  *time.Time `json:"expires_at,omitempty"`
	Message    string     `json:"message"`
}

OAuthRequirement represents an OAuth authentication requirement for a server.

type OAuthStartResponse 

type OAuthStartResponse struct {
	Success       bool   `json:"success"`                 // Always true for successful start
	ServerName    string `json:"server_name"`             // Name of the server being authenticated
	CorrelationID string `json:"correlation_id"`          // UUID for tracking this flow
	AuthURL       string `json:"auth_url,omitempty"`      // Authorization URL (always included for manual use)
	BrowserOpened bool   `json:"browser_opened"`          // Whether browser launch succeeded
	BrowserError  string `json:"browser_error,omitempty"` // Error message if browser launch failed
	Message       string `json:"message"`                 // Human-readable status message
}

OAuthStartResponse is returned by POST /api/v1/servers/{id}/login when OAuth flow starts successfully. Spec 020: OAuth Login Error Feedback

type OAuthValidationError 

type OAuthValidationError struct {
	Success          bool     `json:"success"`                     // Always false
	ErrorType        string   `json:"error_type"`                  // Category of validation failure
	ServerName       string   `json:"server_name"`                 // Requested server name
	Message          string   `json:"message"`                     // Human-readable error description
	Suggestion       string   `json:"suggestion"`                  // Actionable remediation hint
	AvailableServers []string `json:"available_servers,omitempty"` // List of valid server names (for server_not_found)
	CorrelationID    string   `json:"correlation_id,omitempty"`    // Existing flow ID (for flow_in_progress)
}

OAuthValidationError is returned for pre-flight validation failures before OAuth is attempted. Returned with HTTP 400. Implements the error interface so it can be returned as an error while carrying structured data. Spec 020: OAuth Login Error Feedback

func NewOAuthValidationError 

func NewOAuthValidationError(serverName, errorType, message, suggestion string) *OAuthValidationError

NewOAuthValidationError creates a new OAuthValidationError with the given parameters.

func (*OAuthValidationError) Error 

func (e *OAuthValidationError) Error() string

Error implements the error interface for OAuthValidationError.

type QuarantinedServersResponse 

type QuarantinedServersResponse struct {
	Servers []Server `json:"servers"`
	Count   int      `json:"count"`
}

QuarantinedServersResponse is the response for quarantined servers

type Ref 

type Ref struct {
	Type     string `json:"type"`     // "env", "keyring", etc.
	Name     string `json:"name"`     // The secret name/key
	Original string `json:"original"` // Original reference string like "${env:API_KEY}"
}

Ref represents a reference to a secret value

type Registry 

type Registry struct {
	ID          string      `json:"id"`
	Name        string      `json:"name"`
	Description string      `json:"description"`
	URL         string      `json:"url"`
	ServersURL  string      `json:"servers_url,omitempty"`
	Tags        []string    `json:"tags,omitempty"`
	Protocol    string      `json:"protocol,omitempty"`
	Count       interface{} `json:"count,omitempty" swaggertype:"primitive,string"` // number or string
}

Registry represents an MCP server registry

type ReplayToolCallRequest 

type ReplayToolCallRequest struct {
	Arguments map[string]interface{} `json:"arguments" swaggertype:"object"` // Modified arguments for replay
}

ReplayToolCallRequest is the request for POST /api/v1/tool-calls/{id}/replay

type ReplayToolCallResponse 

type ReplayToolCallResponse struct {
	Success      bool           `json:"success"`
	NewCallID    string         `json:"new_call_id"`     // ID of the newly created call
	NewToolCall  ToolCallRecord `json:"new_tool_call"`   // The new tool call record
	ReplayedFrom string         `json:"replayed_from"`   // Original call ID
	Error        string         `json:"error,omitempty"` // Error if replay failed
}

ReplayToolCallResponse is the response for POST /api/v1/tool-calls/{id}/replay

type RepositoryInfo 

type RepositoryInfo struct {
	NPM *NPMPackageInfo `json:"npm,omitempty"`
}

RepositoryInfo represents detected repository type information

type RepositoryServer 

type RepositoryServer struct {
	ID             string          `json:"id"`
	Name           string          `json:"name"`
	Description    string          `json:"description"`
	URL            string          `json:"url,omitempty"`             // MCP endpoint for remote servers only
	SourceCodeURL  string          `json:"source_code_url,omitempty"` // Source repository URL
	InstallCmd     string          `json:"install_cmd,omitempty"`     // Installation command
	ConnectURL     string          `json:"connect_url,omitempty"`     // Alternative connection URL
	UpdatedAt      string          `json:"updated_at,omitempty"`
	CreatedAt      string          `json:"created_at,omitempty"`
	Registry       string          `json:"registry,omitempty"`        // Which registry this came from
	RepositoryInfo *RepositoryInfo `json:"repository_info,omitempty"` // Detected package info
}

RepositoryServer represents an MCP server from a registry

type RuntimeStatus 

type RuntimeStatus struct {
	Version        string    `json:"version"`
	GoVersion      string    `json:"go_version"`
	BuildTime      string    `json:"build_time,omitempty"`
	IndexStatus    string    `json:"index_status"`
	StorageStatus  string    `json:"storage_status"`
	LastConfigLoad time.Time `json:"last_config_load"`
}

RuntimeStatus represents runtime-specific status information

type SearchRegistryServersResponse 

type SearchRegistryServersResponse struct {
	RegistryID string             `json:"registry_id"`
	Servers    []RepositoryServer `json:"servers"`
	Total      int                `json:"total"`
	Query      string             `json:"query,omitempty"`
	Tag        string             `json:"tag,omitempty"`
}

SearchRegistryServersResponse is the response for GET /api/v1/registries/{id}/servers

type SearchResult 

type SearchResult struct {
	Tool    Tool    `json:"tool"`
	Score   float64 `json:"score"`
	Snippet string  `json:"snippet,omitempty"`
	Matches int     `json:"matches"`
}

SearchResult represents a search result for tools

func ConvertGenericSearchResultsToTyped 

func ConvertGenericSearchResultsToTyped(genericResults []map[string]interface{}) []SearchResult

ConvertGenericSearchResultsToTyped converts []map[string]interface{} to []SearchResult

func ConvertSearchResult 

func ConvertSearchResult(result *config.SearchResult) *SearchResult

ConvertSearchResult converts a config.SearchResult to a contracts.SearchResult

type SearchToolsResponse 

type SearchToolsResponse struct {
	Query   string         `json:"query"`
	Results []SearchResult `json:"results"`
	Total   int            `json:"total"`
	Took    string         `json:"took"`
}

SearchToolsResponse is the response for GET /api/v1/index/search

type Server 

type Server struct {
	ID                string            `json:"id"`
	Name              string            `json:"name"`
	URL               string            `json:"url,omitempty"`
	Protocol          string            `json:"protocol"`
	Command           string            `json:"command,omitempty"`
	Args              []string          `json:"args,omitempty"`
	WorkingDir        string            `json:"working_dir,omitempty"`
	Env               map[string]string `json:"env,omitempty"`
	Headers           map[string]string `json:"headers,omitempty"`
	OAuth             *OAuthConfig      `json:"oauth,omitempty"`
	Enabled           bool              `json:"enabled"`
	Quarantined       bool              `json:"quarantined"`
	Connected         bool              `json:"connected"`
	Connecting        bool              `json:"connecting"`
	Status            string            `json:"status"`
	LastError         string            `json:"last_error,omitempty"`
	ConnectedAt       *time.Time        `json:"connected_at,omitempty"`
	LastReconnectAt   *time.Time        `json:"last_reconnect_at,omitempty"`
	ReconnectCount    int               `json:"reconnect_count"`
	ToolCount         int               `json:"tool_count"`
	Created           time.Time         `json:"created"`
	Updated           time.Time         `json:"updated"`
	Isolation         *IsolationConfig  `json:"isolation,omitempty"`
	Authenticated     bool              `json:"authenticated"`                  // OAuth authentication status
	OAuthStatus       string            `json:"oauth_status,omitempty"`         // OAuth status: "authenticated", "expired", "error", "none"
	TokenExpiresAt    *time.Time        `json:"token_expires_at,omitempty"`     // When the OAuth token expires (ISO 8601)
	ToolListTokenSize int               `json:"tool_list_token_size,omitempty"` // Token size for this server's tools
	ShouldRetry       bool              `json:"should_retry,omitempty"`
	RetryCount        int               `json:"retry_count,omitempty"`
	LastRetryTime     *time.Time        `json:"last_retry_time,omitempty"`
	UserLoggedOut     bool              `json:"user_logged_out,omitempty"` // True if user explicitly logged out (prevents auto-reconnection)
	Health            *HealthStatus     `json:"health,omitempty"`          // Unified health status calculated by the backend
}

Server represents an upstream MCP server configuration and status

func ConvertGenericServersToTyped 

func ConvertGenericServersToTyped(genericServers []map[string]interface{}) []Server

ConvertGenericServersToTyped converts []map[string]interface{} to []Server

func ConvertServerConfig 

func ConvertServerConfig(cfg *config.ServerConfig, status string, connected bool, toolCount int, authenticated bool) *Server

ConvertServerConfig converts a config.ServerConfig to a contracts.Server

type ServerActionResponse 

type ServerActionResponse struct {
	Server  string `json:"server"`
	Action  string `json:"action"`
	Success bool   `json:"success"`
	Async   bool   `json:"async,omitempty"`
}

ServerActionResponse is the response for server enable/disable/restart actions

type ServerStats 

type ServerStats struct {
	TotalServers       int                 `json:"total_servers"`
	ConnectedServers   int                 `json:"connected_servers"`
	QuarantinedServers int                 `json:"quarantined_servers"`
	TotalTools         int                 `json:"total_tools"`
	DockerContainers   int                 `json:"docker_containers"`
	TokenMetrics       *ServerTokenMetrics `json:"token_metrics,omitempty"`
}

ServerStats represents aggregated statistics about servers

func ConvertUpstreamStatsToServerStats 

func ConvertUpstreamStatsToServerStats(stats map[string]interface{}) ServerStats

ConvertUpstreamStatsToServerStats converts upstream stats map to typed ServerStats

type ServerTokenMetrics 

type ServerTokenMetrics struct {
	TotalServerToolListSize int            `json:"total_server_tool_list_size"` // All upstream tools combined (tokens)
	AverageQueryResultSize  int            `json:"average_query_result_size"`   // Typical retrieve_tools output (tokens)
	SavedTokens             int            `json:"saved_tokens"`                // Difference
	SavedTokensPercentage   float64        `json:"saved_tokens_percentage"`     // Percentage saved
	PerServerToolListSizes  map[string]int `json:"per_server_tool_list_sizes"`  // Token size per server
}

ServerTokenMetrics represents token usage and savings metrics

type SuccessResponse 

type SuccessResponse struct {
	Success bool        `json:"success"`
	Data    interface{} `json:"data" swaggertype:"object"`
}

SuccessResponse is the standard success response wrapper for API endpoints.

type SystemStatus 

type SystemStatus struct {
	Phase      string        `json:"phase"`
	Message    string        `json:"message"`
	Uptime     time.Duration `json:"uptime"`
	StartedAt  time.Time     `json:"started_at"`
	ConfigPath string        `json:"config_path"`
	LogDir     string        `json:"log_dir"`
	Runtime    RuntimeStatus `json:"runtime"`
	Servers    ServerStats   `json:"servers"`
}

SystemStatus represents the overall system status

type TokenMetrics 

type TokenMetrics struct {
	InputTokens     int     `json:"input_tokens"`               // Tokens in the request
	OutputTokens    int     `json:"output_tokens"`              // Tokens in the response
	TotalTokens     int     `json:"total_tokens"`               // Total tokens (input + output)
	Model           string  `json:"model"`                      // Model used for tokenization
	Encoding        string  `json:"encoding"`                   // Encoding used (e.g., cl100k_base)
	EstimatedCost   float64 `json:"estimated_cost,omitempty"`   // Optional cost estimate
	TruncatedTokens int     `json:"truncated_tokens,omitempty"` // Tokens removed by truncation
	WasTruncated    bool    `json:"was_truncated"`              // Whether response was truncated
}

TokenMetrics represents token usage statistics for a tool call

type Tool 

type Tool struct {
	Name        string                 `json:"name"`
	ServerName  string                 `json:"server_name"`
	Description string                 `json:"description"`
	Schema      map[string]interface{} `json:"schema,omitempty" swaggertype:"object"`
	Usage       int                    `json:"usage"`
	LastUsed    *time.Time             `json:"last_used,omitempty"`
	Annotations *ToolAnnotation        `json:"annotations,omitempty"`
}

Tool represents an MCP tool with its metadata

func ConvertGenericToolsToTyped 

func ConvertGenericToolsToTyped(genericTools []map[string]interface{}) []Tool

ConvertGenericToolsToTyped converts []map[string]interface{} to []Tool

func ConvertToolMetadata 

func ConvertToolMetadata(meta *config.ToolMetadata) *Tool

ConvertToolMetadata converts a config.ToolMetadata to a contracts.Tool

type ToolAnnotation 

type ToolAnnotation struct {
	Title           string `json:"title,omitempty"`
	ReadOnlyHint    *bool  `json:"readOnlyHint,omitempty"`
	DestructiveHint *bool  `json:"destructiveHint,omitempty"`
	IdempotentHint  *bool  `json:"idempotentHint,omitempty"`
	OpenWorldHint   *bool  `json:"openWorldHint,omitempty"`
}

ToolAnnotation represents MCP tool behavior hints

type ToolCallRecord 

type ToolCallRecord struct {
	ID               string                 `json:"id"`                                      // Unique identifier
	ServerID         string                 `json:"server_id"`                               // Server identity hash
	ServerName       string                 `json:"server_name"`                             // Human-readable server name
	ToolName         string                 `json:"tool_name"`                               // Tool name (without server prefix)
	Arguments        map[string]interface{} `json:"arguments" swaggertype:"object"`          // Tool arguments
	Response         interface{}            `json:"response,omitempty" swaggertype:"object"` // Tool response (success only)
	Error            string                 `json:"error,omitempty"`                         // Error message (failure only)
	Duration         int64                  `json:"duration"`                                // Duration in nanoseconds
	Timestamp        time.Time              `json:"timestamp"`                               // When the call was made
	ConfigPath       string                 `json:"config_path"`                             // Active config file path
	RequestID        string                 `json:"request_id,omitempty"`                    // Request correlation ID
	Metrics          *TokenMetrics          `json:"metrics,omitempty"`                       // Token usage metrics (nil for older records)
	ParentCallID     string                 `json:"parent_call_id,omitempty"`                // Links nested calls to parent code_execution
	ExecutionType    string                 `json:"execution_type,omitempty"`                // "direct" or "code_execution"
	MCPSessionID     string                 `json:"mcp_session_id,omitempty"`                // MCP session identifier
	MCPClientName    string                 `json:"mcp_client_name,omitempty"`               // MCP client name from InitializeRequest
	MCPClientVersion string                 `json:"mcp_client_version,omitempty"`            // MCP client version
	Annotations      *ToolAnnotation        `json:"annotations,omitempty"`                   // Tool behavior hints snapshot
}

ToolCallRecord represents a single recorded tool call with full context

func ConvertStorageToolCallToContract 

func ConvertStorageToolCallToContract(storageRecord interface{}) *ToolCallRecord

ConvertStorageToolCallToContract converts storage.ToolCallRecord to contracts.ToolCallRecord

type ToolCallRequest 

type ToolCallRequest struct {
	ToolName string                 `json:"tool_name"`
	Args     map[string]interface{} `json:"args" swaggertype:"object"`
}

ToolCallRequest represents a request to call a tool

type ToolCallResponse 

type ToolCallResponse struct {
	ToolName   string      `json:"tool_name"`
	ServerName string      `json:"server_name"`
	Result     interface{} `json:"result" swaggertype:"object"`
	Error      string      `json:"error,omitempty"`
	Duration   string      `json:"duration"`
	Timestamp  time.Time   `json:"timestamp"`
}

ToolCallResponse represents the response from a tool call

type UpdateInfo 

type UpdateInfo struct {
	Available     bool       `json:"available"`                // Whether an update is available
	LatestVersion string     `json:"latest_version,omitempty"` // Latest version available (e.g., "v1.2.3")
	ReleaseURL    string     `json:"release_url,omitempty"`    // URL to the release page
	CheckedAt     *time.Time `json:"checked_at,omitempty"`     // When the update check was performed
	IsPrerelease  bool       `json:"is_prerelease,omitempty"`  // Whether the latest version is a prerelease
	CheckError    string     `json:"check_error,omitempty"`    // Error message if update check failed
}

UpdateInfo represents version update check information

type UpstreamError 

type UpstreamError struct {
	ServerName   string    `json:"server_name"`
	ErrorMessage string    `json:"error_message"`
	Timestamp    time.Time `json:"timestamp"`
}

UpstreamError represents a connection or runtime error from an upstream MCP server.

type ValidateConfigRequest 

type ValidateConfigRequest struct {
	Config interface{} `json:"config" swaggertype:"object"` // The configuration to validate
}

ValidateConfigRequest is the request for POST /api/v1/config/validate

type ValidateConfigResponse 

type ValidateConfigResponse struct {
	Valid  bool              `json:"valid"`
	Errors []ValidationError `json:"errors,omitempty"`
}

ValidateConfigResponse is the response for POST /api/v1/config/validate

type ValidationError 

type ValidationError struct {
	Field   string `json:"field"`
	Message string `json:"message"`
}

ValidationError represents a single configuration validation error

func ConvertValidationErrors 

func ConvertValidationErrors(configErrors []config.ValidationError) []ValidationError

ConvertValidationErrors converts config.ValidationError slice to contracts.ValidationError slice

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