Trusted Agent Protocol
{
"status": "present",
"version": null,
"endpoints": [
"https://chatgpt.com/.well-known/http-message-signatures-directory"
],
"details": {
"source": "http-message-signatures-directory"
}
}vokko.eu / shop / chatgpt.com
chatgpt.com
probed 2026-09-01T14:17:54.947Z · https://chatgpt.com · re-probe is €29/mo · origin-owner report
Fingerprint: Cloudflare
DVokko index 29not a UCP score
- Discovery
- 40
- Breadth
- 10
- Machine payment
- 0
- Evidence quality
- 100
1 / 11 protocols showing a public surface. Breadth is the point of Vokko — a perfect UCP manifest with nothing else still scores as a specialist, not a platform.
Protocol matrix
| Protocol | Layer | Status | Version | Evidence |
|---|---|---|---|---|
| Universal Commerce Protocol ucp | commerce | absent | — | 404 · 138ms |
| Agentic Commerce Protocol acp | commerce | undiscoverable | — | — · —ms |
| Agent Payments Protocol ap2 | authorization | absent | — | — · —ms |
| Trusted Agent Protocol tap | identity | present | — | 200 · 371ms |
| Model Context Protocol mcp | tools | error | — | 404 · 216ms |
| Agent2Agent a2a | tools | absent | — | 404 · 181ms |
| x402 (HTTP 402) x402 | payment | absent | — | 404 · 179ms |
| Machine Payments Protocol mpp | payment | absent | — | — · —ms |
| llms.txt llms | discovery | error | — | 403 · 40ms |
| OpenAI plugin manifest ai-plugin | tools | absent | — | 404 · 193ms |
| OpenAPI openapi | tools | error | — | 404 · 148ms |
robots.txt · AI bots
- GPTBotdisallowed · wildcard
- Google-Extendeddisallowed · explicit
- ClaudeBotdisallowed · wildcard
- Applebot-Extendeddisallowed · wildcard
- CCBotdisallowed · explicit
- PerplexityBotdisallowed · explicit
- Bytespiderdisallowed · explicit