multica-ai/multica · error

create .cursor dir: %w

Error message

create .cursor dir: %w

What it means

Error "create .cursor dir: %w" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/execenv/cursor_mcp.go:67

// have an explicit managed mcp_config saved. A nil/null mcp_config means "let
// Cursor behave normally", so no .cursor/mcp.json or CURSOR_DATA_DIR is created.
func prepareCursorMcpConfig(envRoot, workDir string, mcpConfig json.RawMessage, mcpAuthSource string, manifest *sidecarManifest) (string, error) {
	if !hasManagedCursorMcpConfig(mcpConfig) {
		return "", nil
	}
	if envRoot == "" {
		return "", fmt.Errorf("env root is required for managed cursor mcp_config")
	}

	projectRoot := cursorProjectRoot(workDir)
	servers, err := parseCursorManagedMcpServers(mcpConfig)
	if err != nil {
		return "", err
	}

	cursorDir := filepath.Join(projectRoot, ".cursor")
	if err := recordMkdirAll(cursorDir, 0o755, manifest); err != nil {
		return "", fmt.Errorf("create .cursor dir: %w", err)
	}
	configData, err := marshalCursorMcpConfig(servers)
	if err != nil {
		return "", err
	}
	if err := recordWriteFile(filepath.Join(cursorDir, "mcp.json"), configData, 0o600, manifest); err != nil {
		if errors.Is(err, errPathPreExists) {
			return "", fmt.Errorf("managed cursor mcp_config would overwrite existing .cursor/mcp.json")
		}
		return "", fmt.Errorf("write .cursor/mcp.json: %w", err)
	}

	cursorDataDir := filepath.Join(envRoot, "cursor-data")
	projectDataDir := filepath.Join(cursorDataDir, "projects", cursorSlugifyPath(projectRoot))
	if err := os.MkdirAll(projectDataDir, 0o700); err != nil {
		return "", fmt.Errorf("create cursor project data dir: %w", err)
	}
	if err := removeCursorMcpAuthFile(projectDataDir); err != nil {

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Check permissions to create the .cursor directory.

When it happens

Trigger: Thrown at server/internal/daemon/execenv/cursor_mcp.go:67 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/85a86fc9d1df487c. Report an issue: GitHub.