AI Plugin IndexAI MCP Server vs Harness
AI MCP Server and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 86 out of 100). AI MCP Server has more GitHub stars (22k), and AI MCP Server was updated more recently (3 days ago). The table compares them side by side.
| AI MCP Server | Harness | |
|---|---|---|
| Score | 86 / 100 | 95 / 100 |
| What it does | Theia - MCP Server | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:@theia | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence C, Quality B | Maintenance A, Licence A, Quality A |
| npm downloads a week | 1,660 | 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 | 21,712 | 1,320 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install AI MCP Server | Install Harness |
Questions
Is AI MCP Server or Harness more popular?
AI MCP Server has more GitHub stars: 21,712.
Can I use AI MCP Server 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.