AI Plugin IndexCat Gemini MCP vs Harness
Cat Gemini MCP and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 36 out of 100). Harness has more GitHub stars (1.3k), and Harness was updated more recently (4 days ago). The table compares them side by side.
| Cat Gemini MCP | Harness | |
|---|---|---|
| Score | 36 / 100 | 95 / 100 |
| What it does | MCP server for Gemini CLI integration | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:cat-gemini-mcp | Verified: harness.autonomous.ai |
| Grades | Maintenance D, Licence A, Quality F | Maintenance A, Licence A, Quality A |
| npm downloads a week | 10 | Not on npm |
| Runs | Local | Local |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf |
| GitHub stars | 0 | 1,320 |
| Last commit | 6 Mar 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Cat Gemini MCP | Install Harness |
Questions
Is Cat Gemini MCP or Harness more popular?
Harness has more GitHub stars: 1,320.
Can I use Cat Gemini MCP and Harness together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.