AI Plugin IndexN8n Nodes A2a Protocol vs Harness
N8n Nodes A2a Protocol and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 39 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.
| N8n Nodes A2a Protocol | Harness | |
|---|---|---|
| Score | 39 / 100 | 95 / 100 |
| What it does | Agent2Agent (A2A) Protocol nodes for n8n - Enable agent interoperability, communication, and MCP integration | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Verified: npm:n8n-nodes-a2a-protocol | Verified: harness.autonomous.ai |
| Grades | Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 27 | 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 N8n Nodes A2a Protocol | Install Harness |
Questions
Is N8n Nodes A2a Protocol or Harness more popular?
Harness has more GitHub stars: 1,320.
Can I use N8n Nodes A2a Protocol 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.