com.headlesson/catalog
headlesson
Find and compare headless apps (CLI, MCP, API) for agents, with sources, lessons and changes.
timeout probed 2026-10-15
fetch failed | Connect Timeout Error (attempted address: mcp.headlesson.com:443, timeout: 10000ms) | UND_ERR_CONNECT_TIMEOUT
- Endpoint
- https://mcp.headlesson.com/mcp (streamable-http)
- Host
- mcp.headlesson.com
- Website
- https://headlesson.com
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 3 of the last 3 probes
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-13 11:06 | alive | 420 ms | 4 | 3.0k | 1.8k |
| 2026-10-11 10:15 | alive | 1.4 s | 4 | 3.1k | 1.8k |
| 2026-10-10 10:03 | alive | 1.1 s | 4 | 2.5k | 1.4k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.headlesson/catalog)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.