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Documentation Index

Fetch the complete documentation index at: https://docs.querybear.com/llms.txt

Use this file to discover all available pages before exploring further.

Railway is a deployment platform that offers managed PostgreSQL (and MySQL). QueryBear connects over the standard wire protocol, giving your AI clients safe, read-only access through QueryBear’s security gateway.

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Get your Railway connection details

  1. Open your project in the Railway dashboard.
  2. Click the Postgres service → Variables (or Connect).
  3. Use the public connection variables — Railway exposes a TCP proxy host and port for external access:
    • PGHOST / proxy host (e.g. containers-us-west-xxx.railway.app)
    • PGPORT (the proxy port, not 5432)
    • PGDATABASE, PGUSER, PGPASSWORD
Railway’s internal *.railway.internal hostnames only resolve inside Railway’s network. QueryBear connects from outside, so use the public TCP proxy host and port.

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Create a read-only role

Use the PostgreSQL read-only role SQL via psql or Railway’s query interface.

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Add the connection to QueryBear

In the QueryBear dashboard → Connections → New connection → PostgreSQL. Use the public proxy host and port, your querybear role, and SSL mode require.

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Railway-specific notes

  • Use the public proxy host/port, not the internal hostname.
  • The proxy port is not 5432 — Railway assigns a random external port. Copy it exactly.
  • MySQL on Railway works the same way — choose MySQL in QueryBear and use the public proxy details.

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Connect to your AI client