io.usefulapi/buttondown
Buttondown MCP by usefulapi
Read Buttondown subscribers, emails, analytics and automations; add subscribers; write email drafts.
timeout probed 2026-10-15
fetch failed | Connect Timeout Error (attempted address: buttondown.usefulapi.io:443, timeout: 10000ms) | UND_ERR_CONNECT_TIMEOUT
- Endpoint
- https://buttondown.usefulapi.io/mcp (streamable-http)
- Host
- buttondown.usefulapi.io
- Repository
- https://github.com/m190/usefulapi-mcp
- Website
- https://usefulapi.io/buttondown/
- Registry
- active, updated 2026-10-11 · registry entry
- Reachable
- 2 of the last 2 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 11:28 | alive | 288 ms | 25 | 8.2k | 4.7k |
| 2026-10-12 11:57 | alive | 1.0 s | 25 | 8.2k | 4.7k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.usefulapi/buttondown)
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.