multica-ai/multica · error

marshal cursor mcp config: %w

Error message

marshal cursor mcp config: %w

What it means

Error "marshal cursor mcp config: %w" thrown in multica-ai/multica.

Source

Thrown at server/internal/daemon/execenv/cursor_mcp.go:242

		}
		var obj map[string]any
		if err := json.Unmarshal(server, &obj); err != nil {
			return nil, fmt.Errorf("mcp_servers.%s: %w", name, err)
		}
		if obj == nil {
			return nil, fmt.Errorf("mcp_servers.%s must be a JSON object", name)
		}
	}
	return cfg.McpServers, nil
}

func marshalCursorMcpConfig(servers map[string]json.RawMessage) ([]byte, error) {
	if servers == nil {
		servers = map[string]json.RawMessage{}
	}
	data, err := json.MarshalIndent(cursorMcpConfigFile{McpServers: servers}, "", "  ")
	if err != nil {
		return nil, fmt.Errorf("marshal cursor mcp config: %w", err)
	}
	return append(data, '\n'), nil
}

func cursorMcpApprovalKeys(projectRoot string, servers map[string]json.RawMessage) ([]string, error) {
	names := make([]string, 0, len(servers))
	for name := range servers {
		names = append(names, name)
	}
	sort.Strings(names)

	approvals := make([]string, 0, len(names))
	for _, name := range names {
		server, err := marshalCursorMcpApprovalServer(servers[name])
		if err != nil {
			return nil, fmt.Errorf("marshal mcp_servers.%s for cursor approval: %w", name, err)
		}
		pathJSON, err := json.Marshal(projectRoot)

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Retry; the cursor mcp config could not be serialized.

When it happens

Trigger: Thrown at server/internal/daemon/execenv/cursor_mcp.go:242 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/58c4518e5a3da945. Report an issue: GitHub.