Public changelog
Contract history for the flat.cash MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
[risky] Description of flat_pay changed (47% word delta). [breaking] Field btc_address was removed from flat_pay input; consumers still sending it may be rejected or silently ignored. [breaking] Enum value btc_withdraw removed from action…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
flat_pay changed (47% word delta).btc_amount was removed from flat_pay input; consumers still sending it may be rejected or silently ignored.btc_address was removed from flat_pay input; consumers still sending it may be rejected or silently ignored.btc_withdraw removed from action on flat_pay.btc_to_flat removed from action on flat_pay.btc_to_save removed from action on flat_pay.flat_explore was added.flat_plan was added.flat_earn changed (38% word delta).content_type was added to flat_read — may shift model behaviour.agent_key_status added to action on flat_read.community_content added to action on flat_read.Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-08-19 17:01 | 05ac99fd598e | 10 |
| 2026-08-16 17:01 | d36626b29aee | 10 |
| 2026-08-12 21:34 | bedbfc82fb44 | 8 |
Maintainer badge
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/flat.cash)