ZV-2026-0996 · 2026-09-12breaking
mcp.comos-federation.com: Resource ui://comos/hello-panel.html was removed, consumers reading it will break.
[safe] Resource ui://comos/hello-panel-v2.html was added.
Public changelog
mcp.comos-federation.com
Contract history for the mcp.comos-federation.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
3Breaking · 90d
3Advisories
15Snapshots kept
2026-09-27Last observed
Advisories
ZV-2026-0983 · 2026-09-11breaking
mcp.comos-federation.com: Tool federation_catalog_search_grouped_multi was removed.
[breaking] Tool federation_catalog_search_multi was removed. [breaking] Tool federation_catalog_version was removed. [breaking] Tool federation_choice_compare was removed. [breaking] Tool federation_choice_get was removed. [breaking] Tool…
ZV-2026-0462 · 2026-08-27breaking
mcp.comos-federation.com: Tool federation_bond_status was removed.
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 20:34risky
- Description of
federation_solvencychanged (41% word delta).
2026-09-20 01:08risky
- Description of
federation_arenachanged (36% word delta).
2026-09-12 02:33breaking
- breaking Resource
ui://comos/hello-panel.htmlwas removed, consumers reading it will break. - safe Resource
ui://comos/hello-panel-v2.htmlwas added.
2026-09-11 23:26safe
- Resource
ui://comos/hello-panel.htmlwas added.
2026-09-11 18:15breaking
- breaking Tool
federation_catalog_search_grouped_multiwas removed. - breaking Tool
federation_catalog_search_multiwas removed. - breaking Tool
federation_catalog_versionwas removed. - breaking Tool
federation_choice_comparewas removed. - breaking Tool
federation_choice_getwas removed. - breaking Tool
federation_node_act_completewas removed. - breaking Tool
federation_node_catalog_syncwas removed. - breaking Tool
federation_node_drain_queuewas removed.
+ 21 more in this revision
2026-09-10 22:32safe
- Tool
federation_actwas added.
2026-09-09 22:59risky
- Description of
federation_governancechanged (29% word delta).
2026-09-06 22:40safe
- Tool
federation_node_tenant_reservewas added.
2026-09-06 21:37risky
- safe Description of
federation_node_report_inchanged (17% word delta). - risky Optional field
meter_comswas added tofederation_node_report_in; may shift model behaviour. - risky Optional field
meter_seqwas added tofederation_node_report_in; may shift model behaviour.
2026-09-06 18:32safe
- Tool
federation_node_catalog_syncwas added.
2026-09-06 16:29safe
- Tool
federation_node_act_completewas added.
2026-09-05 02:39safe
- Tool
federation_node_drain_queuewas added. - Tool
federation_node_report_inwas added.
2026-09-03 18:57risky
- Description of
introspection_corpus_probe_disagreementchanged (55% word delta). - Description of
introspection_system_coverage_gapschanged (33% word delta). - Optional field
limitwas added tointrospection_system_coverage_gaps; may shift model behaviour.
2026-08-27 19:35breaking
- Tool
federation_bond_statuswas removed.
Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-27 20:34 | d453c1f38586 | 21 |
| 2026-09-20 01:08 | 55fc79fd06fd | 21 |
| 2026-09-12 02:33 | 8cbb0e3d6c58 | 21 |
| 2026-09-11 23:26 | 2d7d89f0cb68 | 21 |
| 2026-09-11 18:15 | db545b40ab1d | 21 |
| 2026-09-10 22:32 | 6b2095f7f907 | 46 |
| 2026-09-09 22:59 | 3c75fbb917fa | 45 |
| 2026-09-06 22:40 | 43d814fac972 | 45 |
| 2026-09-06 21:37 | 461449fceab3 | 44 |
| 2026-09-06 18:32 | 1ba7625769db | 44 |
| 2026-09-06 16:29 | f643b5a4f3be | 43 |
| 2026-09-05 02:39 | 31375453953d | 42 |
| 2026-09-03 18:57 | 7d727e4e355a | 40 |
| 2026-08-27 19:35 | fe6c082ecdd0 | 40 |
| 2026-08-24 06:05 | e5466de889ec | 41 |
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/mcp.comos-federation.com)