AI Plugin IndexDevtools MCP vs Harness
Devtools MCP and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 82 out of 100). Harness has more GitHub stars (1.3k), and Devtools MCP was updated more recently (2 days ago). The table compares them side by side.
| Devtools MCP | Harness | |
|---|---|---|
| Score | 82 / 100 | 95 / 100 |
| What it does | MCP↔devtools bridge for GJS apps — exposes a running app's org.gjsify.Devtools control plane (DBus) to an AI agent as MCP tools | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:@gjsify | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 1,273 | 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 | 24 | 1,320 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Devtools MCP | Install Harness |
Questions
Is Devtools MCP or Harness more popular?
Harness has more GitHub stars: 1,320.
Can I use Devtools 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.