Mexico

Every Mexican zip code, state, municipality, city and settlement — one bundled SQLite database, no API key, no rate limit. [](https://github.com/IcaliaLabs/sepomex/releases) [](https://github.com/IcaliaLabs/sepomex/actions) [](https://codecov.io/gh/IcaliaLabs/sepomex) [](.ruby-version) [](Gemfile) [](#-mcp-server) [](LICENSE) Quick start · Hosted instance · Querying the API · MCP server · Development · Architecture Looking up a Mexican postal code usually means scraping the official Correos de México site or wrangling a clunky Excel export. Sepomex turns that same official dataset into a clean, paginated JSON API you can query by zip code, state, city, municipality or colony — and, as of v1.0.0, exposes it to AI agents through the Model Context Protocol as well. The whole catalog (154k settlements) ships inside the app as a SQLite database, so there's nothing external to provision: clone, load, run. Sepomex is designed to be self-hosted — the whole catalog ships with the code, so standing up your own copy is a few commands.…