Public changelog
Contract history for the medical-codes.caseyjhand.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
[safe] Description of medcode_check_code changed (16% word delta). [risky] Enum value valid added to status on medcode_check_code. [safe] Description of medcode_get_code changed (10% word delta). [safe] Description of medcode_map_codes…
[breaking] Type of resolvedSystem on medcode_map_codes changed unset → string|null.
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
medcode_list_systems changed (15% word delta).classLayer was added to medcode_list_systems output.medcode_map_codes changed (26% word delta).classType was added to medcode_map_codes; may shift model behaviour.rxcui_to_classes added to direction on medcode_map_codes.class_to_rxcuis added to direction on medcode_map_codes.medcode_check_code changed (16% word delta).valid added to status on medcode_check_code.billable on medcode_check_code changed boolean → boolean|null.medcode_get_code changed (10% word delta).medcode_map_codes changed (7% word delta).medcode_search_codes changed (10% word delta).whyNot on medcode_check_code changed unset → string|null.resolvedSystem on medcode_map_codes changed unset → string|null.error was added to medcode_browse_hierarchy output.error was added to medcode_check_code output.error was added to medcode_get_code output.error was added to medcode_list_systems output.error was added to medcode_map_codes output.error was added to medcode_search_codes output.Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-24 21:44 | 1815e7f52925 | 6 |
| 2026-09-24 18:35 | 5289f60ec55b | 6 |
| 2026-09-19 18:44 | 49a87230e2b1 | 6 |
| 2026-08-25 07:44 | 8f76a37818c8 | 6 |
| 2026-08-17 06:41 | 44d87a290ff0 | 6 |
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/medical-codes.caseyjhand.com)