pg_audit_diff_backup

Compare a backup snapshot

SERVERPostgreSQL MCP Server SOURCE@neverinfamous/postgres-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-neverinfamous-postgres-mcp/pg-audit-diff-backup.md

WHAT IT DOES

What pg_audit_diff_backup does on PostgreSQL MCP Server

AI agents call pg_audit_diff_backup to retrieve information from PostgreSQL MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why pg_audit_diff_backup is rated Low

This tool performs a comparison (diff) of backup snapshots, which is fundamentally a read operation. It retrieves and compares data from backups without altering, deleting, or executing anything. The audit prefix reinforces this is an inspection/monitoring capability. No side effects or reversible modifications are indicated.

From the tool's definition Tool name includes 'audit' and 'diff' (compare); description states 'Compare a backup snapshot' — a read-only operation that queries/retrieves backup data for comparison without modification, deletion, or execution of code.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pg_audit_diff_backup safely

PolicyLayer is an MCP gateway: it sits between your AI agents and PostgreSQL MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pg_audit_diff_backup, this is the rule to start with:

pg_audit_diff_backup Allowed

pg_audit_diff_backup is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "pg_audit_diff_backup": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect PostgreSQL MCP Server, apply this rule, and every pg_audit_diff_backup call is checked against it from then on.

FAQ

Questions about pg_audit_diff_backup

What does the pg_audit_diff_backup tool do? +

Compare a backup snapshot. It is categorised as a Read tool in the PostgreSQL MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on pg_audit_diff_backup? +

Register the PostgreSQL MCP Server MCP server in PolicyLayer and add a rule for pg_audit_diff_backup: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches PostgreSQL MCP Server. Nothing to install.

What risk level is pg_audit_diff_backup? +

pg_audit_diff_backup is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit pg_audit_diff_backup? +

Yes. Add a rate_limit block to the pg_audit_diff_backup rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block pg_audit_diff_backup completely? +

Set action: deny in the PolicyLayer policy for pg_audit_diff_backup. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides pg_audit_diff_backup? +

pg_audit_diff_backup is provided by the PostgreSQL MCP Server MCP server (@neverinfamous/postgres-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

What pg_audit_diff_backup does on PostgreSQL MCP Server

Why pg_audit_diff_backup is rated Low

The rule that runs pg_audit_diff_backup safely

Questions about pg_audit_diff_backup

More on PostgreSQL MCP Server, and thousands of servers like it.