AI Plugin IndexQuasar MCP vs Harness
Quasar MCP and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 94 out of 100). Quasar MCP has more GitHub stars (27k), and Harness was updated more recently (4 days ago). The table compares them side by side.
| Quasar MCP | Harness | |
|---|---|---|
| Score | 94 / 100 | 95 / 100 |
| What it does | MCP server for AI agents: the Quasar documentation and component API, served from the packages installed in your project | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:@quasar | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | 101 | 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 | 27,200 | 1,320 |
| Last commit | 19 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Quasar MCP | Install Harness |
Questions
Is Quasar MCP or Harness more popular?
Quasar MCP has more GitHub stars: 27,200.
Can I use Quasar 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.