AI Plugin IndexGuidance vs Harness
Guidance and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 94 out of 100). Guidance has more GitHub stars (77k), and Guidance was updated more recently (3 days ago). The table compares them side by side.
| Guidance | Harness | |
|---|---|---|
| Score | 94 / 100 | 95 / 100 |
| What it does | Guidance Control Plane - Compiles, retrieves, enforces, and evolves guidance rules for Claude Code sessions | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:@claude-flow | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | 1,024 | 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 | 77,498 | 1,320 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Guidance | Install Harness |
Questions
Is Guidance or Harness more popular?
Guidance has more GitHub stars: 77,498.
Can I use Guidance 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.