Public changelog
Contract history for the hydrata.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
[safe] Tool list_inputs was added. [safe] Tool list_time_series was added. [safe] Description of build_scenario changed (16% word delta). [breaking] Field result was removed from build_scenario output; consumers reading it will break…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
building was added to create_scenario; may shift model behaviour.finalize_terrain_upload changed (3% word delta).list_inputs changed (3% word delta).list_inputs was added.list_time_series was added.result was removed from attach_input_layer output; consumers reading it will break.build_scenario changed (16% word delta).result was removed from build_scenario output; consumers reading it will break.result was removed from cancel_run output; consumers reading it will break.create_project changed (22% word delta).result was removed from create_project output; consumers reading it will break.+ 21 more in this revision
attach_input_layer was added.build_scenario was added.create_project was added.create_scenario was added.create_time_series was added.finalize_terrain_upload was added.get_terrain was added.presign_terrain_upload was added.+ 1 more in this revision
Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-10-09 05:00 | 39a8c2d1a70e | 19 |
| 2026-10-08 10:11 | da89c95e332f | 19 |
| 2026-09-21 08:52 | 69ab9b3dcb27 | 17 |
| 2026-08-12 21:36 | 1fe1612861d7 | 9 |
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/hydrata.com)