AI Plugin IndexLLM Checker vs Harness
LLM Checker and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 90 out of 100). LLM Checker has more GitHub stars (3k), and Harness was updated more recently (4 days ago). The table compares them side by side.
| LLM Checker | Harness | |
|---|---|---|
| Score | 90 / 100 | 95 / 100 |
| What it does | Intelligent CLI tool with AI-powered model selection that analyzes your hardware and recommends optimal LLM models for your system | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:llm-checker | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence B, Quality A | Maintenance A, Licence A, Quality A |
| npm downloads a week | 492 | 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 | 3,036 | 1,320 |
| Last commit | 19 Oct 2026 | 19 Oct 2026 |
| Licence | SEE LICENSE IN LICENSE | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install LLM Checker | Install Harness |
Questions
Is LLM Checker or Harness more popular?
LLM Checker has more GitHub stars: 3,036.
Can I use LLM Checker 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.