D grade
protocol-mismatch
90 score
713 ms
1.0 version
0.0% uptime over 2 probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://gpt55.558686.xyz/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-08 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| A2A Registry (a2aregistry.org) | GPT55 Model Gateway | GPT-5.6 Luna Standard chat is $0.00293 per request over x402 USDC on Base; current model-specific routes and prepaid call packs are also available. Market bench | https://gpt55.558686.xyz/.well-known/agent-card.json |
| Agenstry | gpt55.558686.xyz | paid_api:gpt55.558686.xyz |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 80 robots × 1 · 1 alive sigdir × 1 x402 × 39 · 26 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/307"><img src="https://agentprobe.org/badge/307.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-08 17:12 | protocol-mismatch | 90 | 200 | 713 | 1.0 | detailscapabilities {"era":"1.0","skills_count":5,"skills":["gpt55-chat-completions","gpt55-translate","gpt55-x402-buyer-shortlist","gpt55-wallet-signing-safety-pack","gpt55-x402-mcp-integration-kit"],"streaming":false,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","card":{"name":"GPT55 Model Gateway","version":"1.0.0","provider":{"organization":"gpt55-token-gateway","url":"https://gpt55.558686.xyz"},"documentationUrl":"https://gpt55.558686.xyz/llms.txt"},"missing_fields":[],"endpoint_url":"https://gpt55.558686.xyz/a2a","binding":"JSONRPC","endpoint_status":200,"a2a_error":-32601,"detail":"card-version-wrong","server_era":"0.3","vantage":"us-east-1"} | card says 1.0, server speaks 0.3 (message/send works) |
| 2026-09-07 16:13 | protocol-mismatch | 90 | 200 | 1369 | 1.0 | detailscapabilities {"era":"1.0","skills_count":5,"skills":["gpt55-chat-completions","gpt55-translate","gpt55-x402-buyer-shortlist","gpt55-wallet-signing-safety-pack","gpt55-x402-mcp-integration-kit"],"streaming":false,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://gpt55.558686.xyz/.well-known/agent-card.json","card":{"name":"GPT55 Model Gateway","version":"1.0.0","provider":{"organization":"gpt55-token-gateway","url":"https://gpt55.558686.xyz"},"documentationUrl":"https://gpt55.558686.xyz/llms.txt"},"missing_fields":[],"endpoint_url":"https://gpt55.558686.xyz/a2a","binding":"JSONRPC","endpoint_status":200,"a2a_error":-32601,"detail":"card-version-wrong","server_era":"0.3","vantage":"us-east-1"} | card says 1.0, server speaks 0.3 (message/send works) |