pg_search_more_like_this

What pg_search_more_like_this does on Mcpg

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

Why pg_search_more_like_this is rated Low

The tool name strongly suggests a retrieval operation that finds similar items, a common read-only pattern in database systems. Given the server context (production PostgreSQL with vector/ML capabilities evident from sibling tools like 'analyze_hnsw_recall'), this is most likely a semantic search that queries existing data without modification.

From the tool's definition Tool name 'pg_search_more_like_this' indicates a search/query operation typical of PostgreSQL similarity or vector search functionality. The 'search' verb and 'more_like_this' pattern are characteristic of read-only retrieval operations.

The rule that runs pg_search_more_like_this safely

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

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

Questions about pg_search_more_like_this