com.signalaf/contribution-exchange
Contribution Exchange
Contribution Exchange MCP: domain discovery, policies, preflight, proposals, and signals.
alive probed 2026-10-05 · HTTP 200
6tools
2.4ktokens in Claude Opus 5.5
2.5ktokens in Claude Code
1.2 %of a 200k context window
1.3ko200k_base estimate
1.7 sto initialize
292 msto list tools
- Endpoint
- https://signalaf.com/api/exchange/mcp (streamable-http)
- Host
- signalaf.com
- Protocol
- 2025-06-18
- Reports itself as
- contribution-exchange 1.0.0
- Capabilities
- tools
- Instructions
- 802 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/SunrisesIllNeverSee/sigrank-app
- Website
- https://signalaf.com/exchange
- Registry
- active, updated 2026-08-26 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| exchange_preflight | 398 | 32 % |
| exchange_list_signals | 352 | 28 % |
| exchange_discover_domain | 158 | 13 % |
| exchange_get_attempt | 132 | 11 % |
| exchange_get_policy | 108 | 9 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:41 | alive | 1.7 s | 6 | 2.4k | 1.3k |
| 2026-10-05 00:20 | paid (402) | ||||
| 2026-10-04 09:58 | paid (402) | ||||
| 2026-10-04 07:52 | paid (402) | ||||
| 2026-10-03 20:32 | paid (402) | ||||
| 2026-10-03 17:49 | alive | 862 ms | 6 | 1.3k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.signalaf/contribution-exchange)
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.