data MCP servers

Servers that give an agent access to something — a filesystem, an API, a database. Every listing here was approved by a person before it appeared, and links out to the source rather than reproducing it. We deliberately don't publish ready-made config blocks: a working one carries arguments and environment variables, and those are somebody's secrets waiting to happen.

2 servers
PostgreSQL Official

Let an agent inspect a Postgres schema and run read-only queries.

stdio @modelcontextprotocol/server-postgres
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Publisher is the open-source analytics engine for Malloy. It lets you define data models once — and use them everywhere.

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