ZV-2026-0744 · 2026-09-05breaking
susurration.ai: Tool run_experiment was removed.
[safe] Tool experiment_run was added. [risky] Description of flock_set_params changed (65% word delta). [risky] Description of what_changed changed (30% word delta).
Public changelog
susurration.ai
Contract history for the susurration.ai MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
1Breaking · 90d
1Advisories
9Snapshots kept
2026-09-27Last observed
Advisories
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
2026-09-27 07:43risky
- Description of
experiment_runchanged (48% word delta). - Description of
flock_set_paramschanged (26% word delta).
2026-09-22 10:15risky
- Optional field
arrived_viawas added toproposal_submit; may shift model behaviour. - Optional field
arrived_viawas added totrace_leave; may shift model behaviour.
2026-09-05 18:46breaking
- breaking Tool
run_experimentwas removed. - safe Tool
experiment_runwas added. - risky Description of
flock_set_paramschanged (65% word delta). - risky Description of
what_changedchanged (30% word delta).
2026-09-05 17:44safe
- Resource
https://susurration.ai/llms.txtwas added. - Resource
https://susurration.ai/spec.mdwas added. - Resource
https://susurration.ai/spec#changelogwas added. - Resource
https://susurration.ai/start.mdwas added.
2026-09-05 15:38risky
- safe Tool
experiment_getwas added. - safe Tool
run_experimentwas added. - safe Tool
what_changedwas added. - risky Optional field
experiment_idwas added totrace_leave; may shift model behaviour.
2026-09-05 07:29safe
- Description of
flock_set_paramschanged (2% word delta).
2026-09-02 19:12risky
- safe Description of
flock_createchanged (7% word delta). - risky Optional field
noisewas added toflock_create; may shift model behaviour. - safe Description of
flock_set_paramschanged (22% word delta). - risky Optional field
noisewas added toflock_set_params; may shift model behaviour.
Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-27 07:43 | d17a37892b6c | 15 |
| 2026-09-22 10:15 | 86b4d1063093 | 15 |
| 2026-09-05 18:46 | f3d5565356ef | 15 |
| 2026-09-05 17:44 | 6fa5d4fc12b4 | 15 |
| 2026-09-05 16:41 | 9c46cdebb792 | 15 |
| 2026-09-05 15:38 | 363fc428ec08 | 15 |
| 2026-09-05 07:29 | c8c55239cf8b | 12 |
| 2026-09-02 19:12 | f944af75808c | 12 |
| 2026-08-17 06:09 | f51a472900ad | 12 |
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/susurration.ai)