com.session-exchange/sessions
a4sx sessions
Search reviewed coding-agent sessions on a4sx anonymously; sign in (OAuth) to load or save sessions.
alive probed 2026-10-15 · HTTP 200
12tools
3.7ktokens in Claude Opus 5.5
3.8ktokens in Claude Code
1.8 %of a 200k context window
2.1ko200k_base estimate
7.6 sto initialize
1.1 sto list tools
- Endpoint
- https://session-exchange.com/mcp (streamable-http)
- Host
- session-exchange.com
- Protocol
- 2025-11-25
- Reports itself as
- com.session-exchange/sessions 0.664.0
- Capabilities
- tools
- Instructions
- 1 127 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Website
- https://session-exchange.com
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| publish_session | 305 | 14 % |
| search_sessions | 303 | 14 % |
| fetch_session_context | 216 | 10 % |
| request_purchase | 216 | 10 % |
| acquire_session | 191 | 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 |
|---|---|---|---|---|---|
| 2026-10-15 09:56 | alive | 3.9 s | 12 | 3.7k | 2.1k |
| 2026-10-14 18:23 | alive | 8.4 s | 12 | 3.7k | 2.1k |
| 2026-10-14 09:15 | alive | 5.8 s | 12 | 3.7k | 2.1k |
| 2026-10-13 11:08 | alive | 1.6 s | 12 | 3.7k | 2.1k |
| 2026-10-12 11:32 | alive | 5.0 s | 10 | 3.3k | 1.9k |
| 2026-10-11 10:17 | alive | 5.5 s | 10 | 3.3k | 1.9k |
| 2026-10-10 10:07 | alive | 7.6 s | 7 | 2.6k | 1.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.session-exchange/sessions)
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.