googleapis/mcp-toolbox · error

INTERNAL_ERROR

INTERNAL_ERROR

Error message

error generating manifest: %w

What it means

Error "error generating manifest: %w" thrown in googleapis/mcp-toolbox.

Source

Thrown at internal/server/mcp/v20241105/method.go:124

func pingHandler(id jsonrpc.RequestId) (any, error) {
	return jsonrpc.JSONRPCResponse{
		Jsonrpc: jsonrpc.JSONRPC_VERSION,
		Id:      id,
		Result:  struct{}{},
	}, nil
}

func toolsListHandler(ctx context.Context, id jsonrpc.RequestId, primitiveMgr *primitives.PrimitiveManager, g group.Group, body []byte) (any, error) {
	var req ListToolsRequest
	if err := json.Unmarshal(body, &req); err != nil {
		err = fmt.Errorf("invalid mcp tools list request: %w", err)
		return jsonrpc.NewError(id, jsonrpc.INVALID_REQUEST, err.Error(), nil), err
	}

	urlParams, _ := util.UrlParamsFromContext(ctx)
	listToolsResult, err := GenerateListToolsResult(primitiveMgr, g, urlParams)
	if err != nil {
		err = fmt.Errorf("error generating manifest: %w", err)
		return jsonrpc.NewError(id, jsonrpc.INTERNAL_ERROR, err.Error(), nil), err
	}

	return jsonrpc.JSONRPCResponse{
		Jsonrpc: jsonrpc.JSONRPC_VERSION,
		Id:      id,
		Result:  listToolsResult,
	}, nil
}

// toolsCallHandler generate a response for tools call.
func toolsCallHandler(ctx context.Context, id jsonrpc.RequestId, g group.Group, primitiveMgr *primitives.PrimitiveManager, body []byte, header http.Header) (any, error) {
	if header != nil {
		if clientIP := util.ExtractClientIP(header); clientIP != "" {
			ctx = util.WithClientIP(ctx, clientIP)
		}
	}

View on GitHub (pinned to 8cc6e09de2)

When it happens

Trigger: Thrown at internal/server/mcp/v20241105/method.go:124 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of googleapis/mcp-toolbox@8cc6e09de2 (2026-09-05). Data as JSON: /api/errors/b265d3e3e7ddd683. Report an issue: GitHub.