de.zugferd-validator/validator
ZUGFeRD Validator
Validiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.
alive probed 2026-10-05 · HTTP 200
5tools
4.2ktokens in Claude Opus 5.5
4.3ktokens in Claude Code
2.1 %of a 200k context window
2.2ko200k_base estimate
1.2 sto initialize
118 msto list tools
- Endpoint
- https://api.zugferd-validator.de/mcp (streamable-http)
- Host
- api.zugferd-validator.de
- Protocol
- 2025-11-25
- Reports itself as
- zugferd-validator 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/tzatti1/zugferd-validator
- Website
- https://zugferd-validator.de
- Registry
- active, updated 2026-07-23 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| create_invoice | 1 557 | 70 % |
| validation_report | 297 | 13 % |
| validate_invoice | 190 | 9 % |
| check_consistency | 93 | 4 % |
| extract_xml | 91 | 4 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 13:56 | alive | 1.2 s | 5 | 4.2k | 2.2k |
| 2026-10-05 00:24 | alive | 1.0 s | 5 | 2.2k | |
| 2026-10-04 10:00 | alive | 2.7 s | 5 | 2.2k | |
| 2026-10-04 07:53 | alive | 2.8 s | 5 | 2.2k | |
| 2026-10-03 20:33 | alive | 2.7 s | 5 | 2.2k | |
| 2026-10-03 17:50 | alive | 101 ms | 5 | 2.2k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/de.zugferd-validator/validator)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.