AI Plugin IndexEharness vs Agent-Native Mail
Eharness and Agent-Native Mail are both communication MCP servers. Agent-Native Mail scores higher (94 vs 78 out of 100). Agent-Native Mail has more GitHub stars (7.4k), and Eharness was updated more recently (yesterday). The table compares them side by side.
| Eharness | Agent-Native Mail | |
|---|---|---|
| Score | 78 / 100 | 94 / 100 |
| What it does | Build your own agent harness on AI SDK v7: plugins, context, messages, streaming, sessions, compaction. | Agent-Native Superhuman - email client with keyboard shortcuts and AI triage |
| Publisher | Verified: npm:eharness | Community: BuilderIO |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 382 | Not on npm |
| Runs | Local | Remote |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT |
| GitHub stars | 3 | 7,449 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Eharness | Install Agent-Native Mail |
Questions
Is Eharness or Agent-Native Mail more popular?
Agent-Native Mail has more GitHub stars: 7,449.
Can I use Eharness and Agent-Native Mail together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.