MR DB Query Guard

Postgres MCP safety

Postgres MCP Safety

Postgres is a common first target for database agents, which makes read-only enforcement, row caps, and PII classification essential from day one.

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Review steps

  1. Classify Postgres tables and common customer fields.
  2. Block DDL and write verbs before execution.
  3. Require approval for sensitive SELECTs.
  4. Export policy evidence for security review.