Public changelog
Contract history for the api.zugferd-validator.de MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
90-day stability
quietsaferiskybreaking
Advisories
No breaking changes observed. Quiet is good, and for a dependency, quiet is the whole point.
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
billing_period was added to create_invoice — may shift model behaviour.delivery_date was added to create_invoice — may shift model behaviour.seller on create_invoice is no longer required.Snapshot log
The hashes to pin against. Identical contracts hash identically.
| Observed | Contract hash | Tools |
|---|---|---|
| 2026-08-13 15:01 | 6216eff5c469 | 4 |
| 2026-08-12 22:01 | 334ba9ae5da6 | 4 |
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/api.zugferd-validator.de)