# PESEL/NIP/REGON Validator

> PESEL/NIP/REGON Validator — com-apished-pesel-nip-regon-validator. Use this tool when you need to verify the authenticity of Polish identification numbers, such as PESEL, NIP, and REGON, to ensure data accuracy and compliance. It validates checksums and decodes birth date and sex from PESEL numbers, solving problems related to data entry errors and identity verification. Input a PESEL, NIP, or REGON number and receive a validation result, making it ideal for use cases involving Polish citizen and business data processing.

Canonical page: https://skillsregistry.net/skills/com-apished-pesel-nip-regon-validator  
JSON: https://api.skillsregistry.net/v1/skills/com-apished-pesel-nip-regon-validator

## Description

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

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-02

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-02

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/com.apished%2Fpesel-nip-regon-validator)

## Use it

MCP endpoint published by the skill: `https://apished.com/mcp/v1/idvalidate`

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "com-apished-pesel-nip-regon-validator"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/com-apished-pesel-nip-regon-validator` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/com-apished-pesel-nip-regon-validator/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt