AI Plugin IndexAgent-Native Mail vs Open Pencil MCP
Agent-Native Mail and Open Pencil MCP are both communication MCP servers. Agent-Native Mail scores higher (94 vs 94 out of 100). Open Pencil MCP has more GitHub stars (9.1k), and Open Pencil MCP was updated more recently (yesterday). The table compares them side by side.
| Agent-Native Mail | Open Pencil MCP | |
|---|---|---|
| Score | 94 / 100 | 94 / 100 |
| What it does | Agent-Native Superhuman - email client with keyboard shortcuts and AI triage | Model Context Protocol server for [OpenPencil](https://openpencil.dev). It lets MCP clients such as Claude Code, Cursor, and Windsurf inspect and edit designs through the running app, reusing the same tool definitions as the built-in AI chat. |
| Publisher | Community: BuilderIO | Verified: npm:@open-pencil |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | Not on npm | 3,109 |
| Runs | Remote | Local |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf |
| GitHub stars | 7,449 | 9,138 |
| Last commit | 19 Oct 2026 | 20 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 19 Oct 2026 | 20 Oct 2026 |
| Install Agent-Native Mail | Install Open Pencil MCP |
Questions
Is Agent-Native Mail or Open Pencil MCP more popular?
Open Pencil MCP has more GitHub stars: 9,138.
Can I use Agent-Native Mail and Open Pencil MCP together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.