D grade
protocol-mismatch
80 score
1458 ms
0.3.0 version
0.0% uptime over 6 measured probes
AS51167 CONTABO - Contabo GmbH, DE · DE
https://presign.hergertsynthora.com/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-12 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | presign.hergertsynthora.com | paid_api:presign.hergertsynthora.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 1 robots × 1 sigdir × 1 x402 × 1 · 1 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/8939"><img src="https://agentprobe.org/badge/8939.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-12 12:21 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 1458 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 402, no A2A envelope |
| 2026-09-11 11:26 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 1700 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 402, no A2A envelope |
| 2026-09-10 10:23 | protocol-mismatch | 80 | 200 | HTTP/1.1 | 1814 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"http_version":"HTTP/1.1","vantage":"us-east-1"} | interface HTTP 402, no A2A envelope |
| 2026-09-09 09:47 | protocol-mismatch | 80 | 200 | 3353 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"vantage":"us-east-1"} | interface HTTP 402, no A2A envelope | |
| 2026-09-08 08:45 | protocol-mismatch | 80 | 200 | 1884 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"vantage":"us-east-1"} | interface HTTP 402, no A2A envelope | |
| 2026-09-07 07:40 | protocol-mismatch | 80 | 200 | 1456 | 0.3.0 | detailscapabilities {"era":"0.3","skills_count":1,"skills":["presign"],"streaming":false,"push_notifications":false,"security_schemes":["x402"],"bindings":["HTTP+JSON","HTTP+JSON","JSONRPC"],"signatures":0}meta {"card_url":"https://presign.hergertsynthora.com/.well-known/agent-card.json","card":{"name":"Pre-sign security verdict for autonomous agents","version":"1.0.0","provider":{"organization":"SYNTHORA","url":"https://hergertsynthora.com"},"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://presign.hergertsynthora.com/service","binding":"HTTP+JSON","endpoint_status":402,"vantage":"us-east-1"} | interface HTTP 402, no A2A envelope |