AI Plugin IndexContext7 vs Harness
Context7 and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 91 out of 100). Context7 has more GitHub stars (63k), and Harness was updated more recently (3 days ago). The table compares them side by side.
| Context7 | Harness | |
|---|---|---|
| Score | 91 / 100 | 95 / 100 |
| What it does | Up-to-date docs for AI agents | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Community: upstash | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence A, Quality B | Maintenance A, Licence A, Quality A |
| npm downloads a week | 482,795 | Not on npm |
| Runs | Local and remote | 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 | 63,321 | 1,320 |
| Last commit | 19 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 19 Oct 2026 | 19 Oct 2026 |
| Install Context7 | Install Harness |
Questions
Is Context7 or Harness more popular?
Context7 has more GitHub stars: 63,321.
Can I use Context7 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.