D grade
protocol-mismatch
20 score
123 ms
0.0% uptime over 4 measured probes
AS400940 RAILWAY - Railway, US · US
https://api.callboard.fm/sse
mcp first seen 2026-09-07 · last seen 2026-09-11 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Official MCP Registry | Callboard | Concert booking intelligence: run and read Promoter Briefs from Claude or ChatGPT. | fm.callboard/connector |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/41256"><img src="https://agentprobe.org/badge/41256.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-10 09:15 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 123 | detailsmeta {"final_url":"https://api.callboard.fm/sse","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-09 08:22 | protocol-mismatch | 20 | 405 | 893 | detailsmeta {"final_url":"https://api.callboard.fm/sse","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | ||
| 2026-09-08 08:00 | connect-fail | 888 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-07 01:49 | protocol-mismatch | 20 | 405 | 116 | detailsmeta {"final_url":"https://api.callboard.fm/sse"} | HTTP 405 on initialize, no SSE |