# postal-lookup-mcp

> postal-lookup-mcp — lulu-the-narwhal-postal-lookup-mcp. Use this tool when you need to resolve postal or ZIP codes to corresponding place names, states, and coordinates. It solves problems related to geocoding and location-based data enrichment, providing outputs such as city, state, and latitude/longitude coordinates from ZIP code inputs. Ideal for use cases requiring free, API-key-less location data lookup, such as address validation or mapping applications.

Canonical page: https://skillsregistry.net/skills/lulu-the-narwhal-postal-lookup-mcp  
JSON: https://api.skillsregistry.net/v1/skills/lulu-the-narwhal-postal-lookup-mcp

## Description

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** api-integration
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/rg60q8kokh)
- **Repository:** <https://github.com/Lulu-The-Narwhal/postal-lookup-mcp>

## Use it

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": "lulu-the-narwhal-postal-lookup-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lulu-the-narwhal-postal-lookup-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lulu-the-narwhal-postal-lookup-mcp/pull`

---
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