AI Plugin IndexAdapter MCP vs Harness
Adapter MCP and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 75 out of 100). Harness has more GitHub stars (1.3k), and Harness was updated more recently (3 days ago). The table compares them side by side.
| Adapter MCP | Harness | |
|---|---|---|
| Score | 75 / 100 | 95 / 100 |
| What it does | MCP Server to expose Angular Modernizer tools to an AI assistant. | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:@angular-modernizer | Verified: harness.autonomous.ai |
| Grades | Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 637 | 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 | 0 | 1,320 |
| Last commit | 19 Oct 2026 | |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Adapter MCP | Install Harness |
Questions
Is Adapter MCP or Harness more popular?
Harness has more GitHub stars: 1,320.
Can I use Adapter 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.