Contract history for the chesswithclaw.vercel.app MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
0Breaking · 90d
0Advisories
2Snapshots kept
2026-08-19Last observed
Advisories
No breaking changes observed. Quiet is good, and for a dependency, quiet is the whole point.
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
2026-08-19 06:02risky
Optional field agent_token was added to join_game; may shift model behaviour.
Description of wait_for_event changed (62% word delta).
Optional field cursor was added to wait_for_event; may shift model behaviour.
Optional field since_cursor was added to wait_for_event; may shift model behaviour.
Optional field since_sequence was added to wait_for_event; may shift model behaviour.
Snapshot log
The hashes to pin against. Identical contracts hash identically.
Free forever for open-source maintainers. It reports what Zevruna actually observed, a green badge means no breaking change in ninety days, and it says so honestly when a server has never been polled.
[](https://zevruna.com/servers/chesswithclaw.vercel.app)