multica-ai/multica · error

%s must resolve to a file, got directory %s

Error message

%s must resolve to a file, got directory %s

What it means

Error "%s must resolve to a file, got directory %s" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/execenv/cursor_mcp.go:174

		}
	}
	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))
	}
	return source, nil
}

func copyCursorMcpAuthFile(target, source string) error {
	in, err := os.Open(source)
	if err != nil {
		return err
	}
	defer in.Close()

	out, err := os.OpenFile(target, os.O_WRONLY|os.O_CREATE|os.O_EXCL, 0o600)
	if err != nil {
		return err
	}

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Point the setting at a file, not a directory.

When it happens

Trigger: Thrown at server/internal/daemon/execenv/cursor_mcp.go:174 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/8ab094818f2409d2. Report an issue: GitHub.