io.github.send21io/mcp
send21
Non-custodial pay links: BTC, Lightning, USDC, EURC, SOL, ETH, USDT on Solana/Ethereum.
timeout probed 2026-10-15 · HTTP 200
probe timed out after 15000 ms
- Endpoint
- https://send21.io/mcp (streamable-http)
- Host
- send21.io
- Protocol
- 2025-11-25
- Reports itself as
- Send21.Api 1.0.0.0
- Capabilities
- logging, tools
- Repository
- https://github.com/send21io/mcp
- Website
- https://send21.io/docs/mcp
- Registry
- active, updated 2026-10-13 · registry entry
- Reachable
- 12 of the last 12 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 |
|---|---|---|---|---|---|
| 2026-10-14 09:35 | alive | 813 ms | 11 | 3.8k | 2.2k |
| 2026-10-13 11:26 | alive | 476 ms | 11 | 3.7k | 2.1k |
| 2026-10-12 11:55 | alive | 3.0 s | 11 | 3.5k | 2.0k |
| 2026-10-08 11:26 | alive | 1.3 s | 10 | 3.0k | 1.6k |
| 2026-10-07 11:22 | alive | 1.2 s | 9 | 2.7k | 1.5k |
| 2026-10-06 11:02 | alive | 511 ms | 9 | 2.6k | 1.5k |
| 2026-10-05 16:28 | alive | 900 ms | 9 | 2.4k | 1.3k |
| 2026-10-05 00:55 | alive | 403 ms | 9 | 1.3k | |
| 2026-10-04 10:07 | alive | 1.5 s | 9 | 1.3k | |
| 2026-10-04 08:00 | alive | 1.5 s | 9 | 1.3k | |
| 2026-10-03 20:40 | alive | 1.1 s | 9 | 1.3k | |
| 2026-10-03 17:55 | alive | 242 ms | 9 | 1.3k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.send21io/mcp)
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.