pg_text_headline

Generate highlighted snippets from full-text search matches. Use select param for stable row identification (e.g., primary key).

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-text-headline.md

WHAT IT DOES

What pg_text_headline does on PostgreSQL MCP Server

AI agents call pg_text_headline 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_text_headline is rated Low

This tool performs a read-only operation that retrieves and formats search results. It queries existing data to generate highlighted text snippets for display purposes, which is characteristic of Read category tools. No data is created, modified, deleted, or executed - only retrieved and formatted for presentation.

From the tool's definition Tool generates highlighted snippets from full-text search matches with a select parameter for row identification. The description indicates data retrieval and formatting operations with no modification, deletion, or execution capabilities.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs pg_text_headline 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_text_headline, this is the rule to start with:

pg_text_headline Allowed

pg_text_headline 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_text_headline": {}
  }
}

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_text_headline call is checked against it from then on.

FAQ

Questions about pg_text_headline

What does the pg_text_headline tool do? +

Generate highlighted snippets from full-text search matches. Use select param for stable row identification (e.g., primary key). 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_text_headline? +

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

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

Can I rate-limit pg_text_headline? +

Yes. Add a rate_limit block to the pg_text_headline 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_text_headline completely? +

Set action: deny in the PolicyLayer policy for pg_text_headline. 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_text_headline? +

pg_text_headline 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_text_headline does on PostgreSQL MCP Server

Why pg_text_headline is rated Low

The rule that runs pg_text_headline safely

Questions about pg_text_headline

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