PESEL/NIP/REGON Validator

Name: PESEL/NIP/REGON Validator
Author: com.apished

MCP serverMCP

Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex.

by com.apishedhomepage ↗v1.0.0

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability1/1 checks ok

30 days agotoday

Endpoints

https://apished.com/mcp/v1/idvalidatemcp streamable http · checked on a schedule

Registry facts

Not distributed through a package registry we index.

when	check	result	http	latency	detail
21 min ago	mcp initialize	ok	200	28 ms	server apished-idvalidate 1.0.0 · protocol 2025-06-18 · 3 tools

Tools observed via MCP handshake

nip_validate — Validates the checksum of a 10-digit Polish tax identification number (NIP). Checksum uses weights 6 5 7 2 3 4 5 6 7 over the first 9 digits; sum mod 11 must eq
pesel_validate — Validates the checksum of an 11-digit Polish national identification number (PESEL). Checksum uses weights 1 3 7 9 1 3 7 9 1 3 over the first 10 digits; control
regon_validate — Validates the checksum of a 9- or 14-digit Polish business registry number (REGON). 9-digit: weights 8 9 2 3 4 5 6 7 over the first 8 digits, sum mod 11 (10 map

Declared by sources

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind ← Official MCP Registry

name ← Official MCP Registry

summary ← Official MCP Registry

version ← Official MCP Registry

description ← Official MCP Registry

homepageUrl ← Official MCP Registry

publisherName ← Official MCP Registry

Derived by Wellknown

Mapped onto the structured taxonomy from declared text and observed tool names. Confidence shown for derived entries.

No capability could be derived with confidence. Owners can declare capabilities after claiming.

Provenance

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registrycom.apished/pesel-nip-regon-validator

first seen 4 h ago · fetched 4 h agoopen ↗

Field history (6 recent events)

3 h ago · declared · summary → "Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex."
3 h ago · declared · description → "Validates Polish PESEL, NIP, and REGON checksums; PESEL also decodes birth date and sex."
3 h ago · declared · publisherName → "com.apished"
3 h ago · declared · homepageUrl → "https://apished.com"
3 h ago · declared · version → "1.0.0"
3 h ago · declared · protocols → ["mcp"]