ZV-2026-1167 · 2026-09-18breaking
Public changelog
ausca.com
Contract history for the ausca.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
1Breaking · 90d
1Advisories
12Snapshots kept
2026-09-28Last observed
Advisories
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
2026-09-28 11:04safe
- Tool
ausca_extend_inboxwas added. - Tool
ausca_lease_browserwas added. - Tool
ausca_open_inboxwas added.
2026-09-23 14:04risky
- Optional field
attributionwas added toausca_prepare_invocation; may shift model behaviour.
2026-09-21 05:19risky
- Description of
ausca_artifact_accesschanged (36% word delta).
2026-09-18 06:08breaking
- Field
canonicalizer_versionwas removed fromausca_prepare_invocationinput; consumers still sending it may be rejected or silently ignored.
2026-09-07 13:08risky
- Description of
ausca_browser_session_connectchanged (27% word delta).
2026-09-07 02:21safe
- Tool
ausca_artifact_accesswas added.
2026-09-03 05:40risky
- Description of
ausca_agent_inbox_attachmentchanged (72% word delta). - Description of
ausca_agent_inbox_deletechanged (56% word delta). - Description of
ausca_agent_inbox_messageschanged (56% word delta). - Description of
ausca_agent_inbox_readchanged (65% word delta). - Description of
ausca_agent_inbox_statuschanged (56% word delta). - Description of
ausca_browser_session_closechanged (43% word delta). - Description of
ausca_browser_session_connectchanged (69% word delta).
2026-09-01 12:48safe
- Tool
ausca_agent_inbox_attachmentwas added. - Tool
ausca_agent_inbox_deletewas added. - Tool
ausca_agent_inbox_messageswas added. - Tool
ausca_agent_inbox_readwas added. - Tool
ausca_agent_inbox_statuswas added. - Tool
ausca_browser_session_closewas added. - Tool
ausca_browser_session_connectwas added. - Tool
ausca_browser_session_statuswas added.
Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-28 11:04 | 95c71b01c762 | 17 |
| 2026-09-24 17:32 | b6d7e738a948 | 14 |
| 2026-09-23 14:04 | 091cb605343e | 14 |
| 2026-09-21 05:19 | feb1355924a4 | 14 |
| 2026-09-18 06:08 | a8ed15c5d2ff | 14 |
| 2026-09-07 13:08 | 5561d8c90656 | 14 |
| 2026-09-07 02:21 | 1ecec7dc5b52 | 14 |
| 2026-09-03 08:47 | 9f0d96fe2a77 | 13 |
| 2026-09-03 05:40 | d186e3234534 | 13 |
| 2026-09-01 15:54 | 56cc6c33c978 | 13 |
| 2026-09-01 12:48 | f6f6a7a1d3c6 | 13 |
| 2026-08-31 06:11 | 51331b4bebb1 | 5 |
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/ausca.com)