%s must be an absolute path to %s or its containing Cursor p

Error message

%s must be an absolute path to %s or its containing Cursor project directory

What it means

Error "%s must be an absolute path to %s or its containing Cursor project directory" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/execenv/cursor_mcp.go:159

func resolveCursorMcpAuthSource(source string) (string, error) {
	source = strings.TrimSpace(source)
	if source == "" {
		return "", fmt.Errorf("%s is empty", CursorMcpAuthSourceEnv)
	}
	if source == "~" || strings.HasPrefix(source, "~/") {
		home, err := os.UserHomeDir()
		if err != nil {
			return "", fmt.Errorf("resolve %s home directory: %w", CursorMcpAuthSourceEnv, err)
		}
		if source == "~" {
			source = home
		} else {
			source = filepath.Join(home, source[2:])
		}
	}
	if !filepath.IsAbs(source) {
		return "", fmt.Errorf("%s must be an absolute path to %s or its containing Cursor project directory", CursorMcpAuthSourceEnv, cursorMcpAuthFile)
	}
	source = filepath.Clean(source)
	info, err := os.Stat(source)
	if err != nil {
		return "", fmt.Errorf("stat %s: %w", CursorMcpAuthSourceEnv, err)
	}
	if info.IsDir() {
		source = filepath.Join(source, cursorMcpAuthFile)
		info, err = os.Stat(source)
		if err != nil {
			return "", fmt.Errorf("stat %s %s: %w", CursorMcpAuthSourceEnv, cursorMcpAuthFile, err)
		}
	}
	if info.IsDir() {
		return "", fmt.Errorf("%s must resolve to a file, got directory %s", CursorMcpAuthSourceEnv, source)
	}
	if filepath.Base(source) != cursorMcpAuthFile {
		return "", fmt.Errorf("%s must point at %s, got %s", CursorMcpAuthSourceEnv, cursorMcpAuthFile, filepath.Base(source))

View on GitHub (pinned to 2c0912b6ec)

Solutions

Pass an absolute path to the Cursor project directory or its config file.

When it happens

Trigger: Thrown at server/internal/daemon/execenv/cursor_mcp.go:159 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of multica-ai/multica@2c0912b6ec (2026-08-15). Data as JSON: /api/errors/4443d3581f566dee. Report an issue: GitHub.