Public changelog
Contract history for the chembl.caseyjhand.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
[breaking] Type of assay_type on chembl_get_assay changed unset → string|null. [breaking] Type of description on chembl_get_assay changed unset → string|null. [breaking] Type of confidence_score on chembl_get_assay changed unset →…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
organism on chembl_get_assay changed unset → string|null.assay_type on chembl_get_assay changed unset → string|null.description on chembl_get_assay changed unset → string|null.confidence_score on chembl_get_assay changed unset → number|null.target_chembl_id on chembl_get_assay changed unset → string|null.assay_type_description on chembl_get_assay changed unset → string|null.confidence_description on chembl_get_assay changed unset → string|null.canvas_id on chembl_get_bioactivities changed unset → string|null.+ 7 more in this revision
error was added to chembl_dataframe_describe output.error was added to chembl_dataframe_query output.error was added to chembl_get_assay output.error was added to chembl_get_bioactivities output.error was added to chembl_get_drug_info output.error was added to chembl_search_molecules output.error was added to chembl_search_targets output.Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-09-26 23:23 | 88d1b4ec2731 | 7 |
| 2026-09-19 21:39 | a6a3c328ea20 | 7 |
| 2026-08-25 08:44 | 73399eec34af | 7 |
| 2026-08-17 06:40 | de97c3aee453 | 7 |
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/chembl.caseyjhand.com)