An MCP server for Postgres can be read-only and still hurt production. Exploratory joins, wide...
An MCP server for Postgres can be read-only and still hurt production.
Exploratory joins, wide aggregates, synchronized schedules, and concurrent retries consume the same connections, CPU, memory, I/O, and replica capacity as the application.
Read-only describes mutation authority.
It does not describe workload safety.
Treat AI database traffic as a separate workload class:
Every Postgres app I've worked on runs at READ COMMITTED. It's the default. It's what your ORM opens...
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A production guide to AI agent safety patterns: sandboxing, human-in-the-loop, idempotent actions, and read-only defaults from a…
