googleapis/mcp-toolbox · error

toolset %q does not exist

Error message

toolset %q does not exist

What it means

Error "toolset %q does not exist" thrown in googleapis/mcp-toolbox.

Source

Thrown at internal/server/api.go:72

// toolsetHandler handles the request for information about a Toolset.
func toolsetHandler(s *Server, w http.ResponseWriter, r *http.Request) {
	ctx, span := s.instrumentation.Tracer.Start(r.Context(), "toolbox/server/toolset/get")
	r = r.WithContext(ctx)

	toolsetName := chi.URLParam(r, "toolsetName")
	s.logger.DebugContext(ctx, fmt.Sprintf("toolset name: %s", toolsetName))
	span.SetAttributes(attribute.String("toolset.name", toolsetName))
	var err error
	defer func() {
		if err != nil {
			span.SetStatus(codes.Error, err.Error())
		}
		span.End()
	}()

	g, ok := s.PrimitiveMgr.GetGroup(toolsetName)
	if !ok {
		err = fmt.Errorf("toolset %q does not exist", toolsetName)
		s.logger.DebugContext(ctx, err.Error())
		_ = render.Render(w, r, newErrResponse(err, http.StatusNotFound))
		return
	}

	manifest, err := g.ToolsetManifest(s.version, s.PrimitiveMgr)
	if err != nil {
		s.logger.DebugContext(ctx, err.Error())
		_ = render.Render(w, r, newErrResponse(err, http.StatusInternalServerError))
		return
	}

	render.JSON(w, r, manifest)
}

// toolGetHandler handles requests for a single Tool.
func toolGetHandler(s *Server, w http.ResponseWriter, r *http.Request) {
	ctx, span := s.instrumentation.Tracer.Start(r.Context(), "toolbox/server/tool/get")

View on GitHub (pinned to 8cc6e09de2)

When it happens

Trigger: Thrown at internal/server/api.go:72 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/e15bca8f6bf84339. Report an issue: GitHub.