pg_analyze_workload_indexes

Analyze database workload using pg_stat_statements to recommend missing indexes.

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-analyze-workload-indexes.md

WHAT IT DOES

What pg_analyze_workload_indexes does on PostgreSQL MCP Server

AI agents call pg_analyze_workload_indexes 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_analyze_workload_indexes is rated Low

This tool reads from pg_stat_statements (a system view) and analyzes query patterns to suggest missing indexes. It does not create indexes, modify data, or execute any side-effecting operations. It is a read/analysis tool with low blast radius.

From the tool's definition 'Analyze database workload using pg_stat_statements to recommend missing indexes' — purely analytical/advisory, reads statistics and produces recommendations

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pg_analyze_workload_indexes 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_analyze_workload_indexes, this is the rule to start with:

pg_analyze_workload_indexes Allowed

pg_analyze_workload_indexes 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_analyze_workload_indexes": {}
  }
}

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_analyze_workload_indexes call is checked against it from then on.

FAQ

Questions about pg_analyze_workload_indexes

What does the pg_analyze_workload_indexes tool do? +

Analyze database workload using pg_stat_statements to recommend missing indexes. 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_analyze_workload_indexes? +

Register the PostgreSQL MCP Server MCP server in PolicyLayer and add a rule for pg_analyze_workload_indexes: 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_analyze_workload_indexes? +

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

Can I rate-limit pg_analyze_workload_indexes? +

Yes. Add a rate_limit block to the pg_analyze_workload_indexes 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_analyze_workload_indexes completely? +

Set action: deny in the PolicyLayer policy for pg_analyze_workload_indexes. 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_analyze_workload_indexes? +

pg_analyze_workload_indexes 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_analyze_workload_indexes does on PostgreSQL MCP Server

Why pg_analyze_workload_indexes is rated Low

The rule that runs pg_analyze_workload_indexes safely

Questions about pg_analyze_workload_indexes

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