# Apished Pesel Nip Regon Validator MCP server

Source: https://glimind.com/server/mcp-registry%2Fcom.apished%2Fpesel-nip-regon-validator
Registry id: `mcp-registry/com.apished/pesel-nip-regon-validator`
Status: live (checked 2026-10-27T02:48:09.779Z)

## Verdict

Apished Pesel Nip Regon Validator MCP server answered 99.41% of Glimind's liveness checks over 30 days, better than 13% of MCP servers, with 570 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (90/100) across 3 tools, costing an agent about 469 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.41% | 13% of MCP servers |
| Median handshake latency | 570 ms | 44% of MCP servers |
| p95 handshake latency | 674 ms | — |
| Checks in 30 days | 511 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 90/100 (A) | 69% of MCP servers |
| Tools | 3 | — |
| Tool-list size for an agent | ~469 tokens | 90% of MCP servers |
| Days observed | 23 | — |

## Install

```json
{
  "mcpServers": {
    "apished-pesel-nip-regon-validator-mcp-se": {
      "type": "http",
      "url": "https://apished.com/mcp/v1/idvalidate"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http apished-pesel-nip-regon-validator-mcp-se https://apished.com/mcp/v1/idvalidate
```

## Tools (3)

- `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

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.