PESEL/NIP/REGON Validator MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot
Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex.
Registry name: com.apished/pesel-nip-regon-validator (v1.0.0)
Status grid
| App | Status | Date tested |
|---|---|---|
| Claude | Untested | Not yet tested |
| ChatGPT | Untested | Not yet tested |
| Cursor | Untested | Not yet tested |
| Grok Bot | Untested | Not yet tested |
| MCP Inspector (reference client) | Untested | Not yet tested |
| MCP TypeScript SDK (reference client) | Untested | Not yet tested |
Hands-on test results
No hands-on tests yet. We do not publish results until we have actually tested.
Automated handshake
No public remote endpoint to check (local or package-only server).
Gotchas
None recorded yet. Gotchas come only from hands-on tests.
Compare with other tested connectors | Connector Weather
Request a hands-on test of PESEL/NIP/REGON Validator
Get the badge
Maintain PESEL/NIP/REGON Validator or write about it? Show its live ConnectorReport status in your README or docs.
Markdown (README, docs)
[](https://connectorreport.com/c/com-apished-pesel-nip-regon-validator?utm_source=badge&utm_medium=embed&utm_campaign=com-apished-pesel-nip-regon-validator)
HTML
<a href="https://connectorreport.com/c/com-apished-pesel-nip-regon-validator?utm_source=badge&utm_medium=embed&utm_campaign=com-apished-pesel-nip-regon-validator"><img src="https://connectorreport.com/badge/com-apished-pesel-nip-regon-validator.svg" alt="PESEL/NIP/REGON Validator MCP status on ConnectorReport"/></a>
The badge updates on its own after every retest. How badges work