# Hiasynth

> Hiasynth is a remote MCP server that gives AI assistants a synthetic 1:1 population of Europe: 522 million people, around 300 attributes each, resolved to municipality and 1 km², anchored in what the statistical offices publish. Server address: https://mcp.hiasynth.co

## Docs

- [Getting Started](https://hiasynth.co/docs/getting-started.md): One address, three steps. Connect Hiasynth to Claude, ChatGPT, Claude Code or any MCP client and ask your first question.
- [Pricing](https://hiasynth.co/docs/pricing.md): One subscription for access, credits to meter what you ask, packs when you run low. Prices exclude VAT.
- [What's inside](https://hiasynth.co/docs/population.md): A 1:1 synthetic population of Europe. Every person, in a household, in a square kilometre, described by more than 700 attributes that hang together.
- [Accuracy](https://hiasynth.co/docs/methodology.md): What the numbers can carry, how they are checked, and where they run thin. For anyone deciding whether to put a real decision on Hiasynth.
- [Sources](https://hiasynth.co/docs/sources.md): Every input is a published dataset with a named publisher and a licence that covers our use. This page lists them by type, with the attribution each one asks for.
- [Build with Hiasynth](https://hiasynth.co/docs/build.md): Everything an integrator needs. The server, the two ways to authenticate, the nine tools and what each costs, and where to write when you need more.
- [Troubleshooting](https://hiasynth.co/docs/support.md): The short list of things that go wrong when connecting Hiasynth, what each one means, and the fix. Plus how to reach a person.

## Site

- [Home](https://hiasynth.co/)
- [About](https://hiasynth.co/about)
- [Privacy](https://hiasynth.co/privacy)
- [Terms](https://hiasynth.co/terms)