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skanfirmy.pl

by bartosz-kuc·io.github.bartosz-kuc/skanfirmy·v1.1.2
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Verify Polish companies by NIP/KRS/REGON + EU VAT (VIES). 14 MCP tools (9 no-key).

B81/100grade B
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Safety scan
B81/100

full report

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Tools (14, 1 write)

write = sends, deletes, buys or posts
  • changes_sinceFree

    Return changes (VAT status, bank accounts, or registry data — name, address, KRS, REGON — from the White List) detected since a given date for the NIPs you monitor. The field property is one of: status_vat, account_added, account_removed, name, address, krs, regon. A polling channel for agents. Requires a skanfirmy API key.

  • generuj_mikrorachunekFree

    Generate the individual tax micro-account (for PIT/CIT/VAT payments) from a NIP or PESEL.

  • list_observationsFree

    Return the list of NIPs you monitor, with their current VAT status and last-checked date. Each entry keeps the raw Ministry of Finance literal in status_vat and, when a status is known, adds derived language-neutral fields vat_active (boolean) and status_vat_code (active/exempt/not_registered). Requires a skanfirmy API key.

  • oblicz_odsetkiFree

    Calculate statutory or commercial (B2B) late-payment interest, broken down by NBP reference-rate periods.

  • observe_nipFree

    Add a NIP to monitoring. You get notified (via changes_since or email) when its VAT status, bank account, or registry data shown on the Ministry of Finance White List (name, address, KRS, REGON) changes. Requires a skanfirmy API key (Authorization: Bearer, or the api_key argument). Free plan: up to 10 NIPs.

  • set_webhookFree

    Set (or clear) a push webhook URL for your monitoring, instead of or in addition to polling. When we detect a change for a monitored NIP, we send a POST signed with HMAC-SHA256 (X-Skanfirmy-Signature header). Returns the secret ONCE. Pass an empty url to disable. Requires a skanfirmy API key. Public https addresses only (port 443).

  • sprawdz_lista_nipFree

    Bulk-check up to 30 NIPs in one call to the Ministry of Finance VAT White List: VAT status, bank accounts, REGON, KRS and address of each entity. For verifying a portfolio of counterparties. Ministry limits: max 30 NIPs per call, about 500 bulk queries/day per IP. Does not fetch full KRS data (use sprawdz_nip for individual entities).

  • sprawdz_nipFree

    Check VAT status (VAT White List / Biała Lista) and KRS data for a Polish company by NIP.

  • sprawdz_rachunekFree

    Check whether a bank account number (NRB) appears in the VAT White List for a given NIP. Due diligence for payments above PLN 15,000.

  • sprawdz_regonFree

    Look up entity data in the REGON register (Statistics Poland / GUS BIR) by NIP: REGON number, official name, legal form (legal or natural person), full address (voivodeship, county, municipality). Covers ALL entities, including sole proprietors that are not in the KRS.

  • sprawdz_viesFree

    Validate a counterparty's EU VAT number in the VIES system (European Commission).

  • szukaj_katalog_apiFree

    Search otwarteAPI.pl, a catalog of public Polish and EU APIs (VAT, KRS, GUS, NBP, ECB, Eurostat and more). Returns matching entries with a link to each API's official docs. An empty query returns the whole catalog (optionally narrowed by scope or topic).

  • szukaj_pkdFree

    Search PKD 2025 business activity codes by activity name or code number.

  • unobserve_nipwrite actionFree

    Remove a NIP from monitoring. Requires a skanfirmy API key.

Public scan report

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 328ms20/20
  • Tool poisoning14 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 18 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 81/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http skanfirmy https://skanfirmy.pl/mcp
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