io.github.send21io/mcp
send21
io.github.send21io/mcp costs 1 314 tokens of context per session. It has 9 tool definitions. That is 0.7 % of a 200k window. Measured 2026-10-03.
Non-custodial payment drafts/pay links for BTC, USDC, USDT, EURC. Never holds keys.
alive probed 2026-10-03 · HTTP 200
9tools
1.3ktokens for the tool definitions
0.7 %of a 200k context window
1.1 sto initialize
244 msto list tools
- 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
- Instructions
- none
- Repository
- https://github.com/send21io/mcp
- Website
- https://send21.io
- Registry
- active, updated 2026-09-06 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| create_draft | 394 | 30 % |
| create_payment_request | 367 | 28 % |
| get_rate | 128 | 10 % |
| get_transaction_template | 95 | 7 % |
| get_payment_request | 81 | 6 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:40 | alive | 1.1 s | 9 | 1.3k |
| 2026-10-03 17:55 | alive | 242 ms | 9 | 1.3k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.send21io/mcp)