AI Plugin IndexA2A Passport — one GTIN, one call, everything GSC knows, signed vs Harness
A2A Passport — one GTIN, one call, everything GSC knows, signed and Harness are both ai and llm tools MCP servers. Harness scores higher (95 vs 30 out of 100). Harness has more GitHub stars (1.3k), and Harness was updated more recently (4 days ago). The table compares them side by side.
| A2A Passport — one GTIN, one call, everything GSC knows, signed | Harness | |
|---|---|---|
| Score | 30 / 100 | 95 / 100 |
| What it does | The hubs are the records; A2A-Passport.ai issues the passport. | Start Claude Code and Codex agents the person can watch, wait for them and read their answers. |
| Publisher | Community: greencore-solutions | Verified: harness.autonomous.ai |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | Not on npm | Not on npm |
| Runs | Remote | Local |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf |
| GitHub stars | 0 | 1,320 |
| Last commit | 6 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 19 Oct 2026 | 19 Oct 2026 |
| Install A2A Passport — one GTIN, one call, everything GSC knows, signed | Install Harness |
Questions
Is A2A Passport — one GTIN, one call, everything GSC knows, signed or Harness more popular?
Harness has more GitHub stars: 1,320.
Can I use A2A Passport — one GTIN, one call, everything GSC knows, signed 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.