Imports github.com/modelcontextprotocol/go-sdk/mcp github.com/modelcontextprotocol/go-sdk/jsonrpc github.com/modelcontextprotocol/go-sdk/auth Standard library imports bytes container/list context crypto/rand crypto/sha256 encoding/hex encoding/json errors fmt io math net/http net/url os reflect regexp strconv strings sync time unicode/utf8 cmp slices maps log/slog weak