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rejestr-io-mcp
MCP server providing access to Polish business registers (KRS, CRBR) via the rejestr.io API, enabling search, retrieval of organizations, beneficial owners, financial documents, and more.
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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 2 credentials: REJESTR_IO_API_KEY, MCP_HTTP_AUTH_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.🔐 secret
REJESTR_IO_API_KEY— uzupełnij w .envconfig
MCP_TRANSPORT— nie stdio stdio lub httpconfig
REJESTR_IO_BASE_URL— nie https://rejestr.io/api/v2/ Bazowy adres APIconfig
REJESTR_IO_DOWNLOAD_DIR— nie ./downloads Katalog zapisu plików PDFconfig
MCP_HTTP_HOST— nie 127.0.0.1 Adres nasłuchu dla MCP_TRANSPORT=http. Domyślnie tylko pętla zwrotna (localhost); ustaw np. 0.0.0.0, aby udostępnić serwer w swojej sieci🔐 secret
MCP_HTTP_AUTH_TOKEN— "$(openssl rand -hex 32)" uv run rejestr-io-mcp --transport http --host 0.0.0.0 --port 8000// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[](https://m8ven.ai/mcp/quverlabs-rejestr-io-mcp-1k86te)commit: 13fdde7da26c67e08af24a76eb027e88cba2d757
code hash: 0f153c460ef2d622e9494c8492c6ce63adda36148b31aa463fd6c2752660bb36
verified: 7/30/2026, 9:00:36 AM