pgvector MCP Server

io.github.mittalpk/pgvector

Repository Registry

What is the pgvector MCP server?

Similarity search, hybrid search, and index management for pgvector-backed PostgreSQL tables

How to install pgvector

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

DATABASE_URL
required
secret
PostgreSQL connection string, e.g. postgresql://user:password@host:5432/dbname
MCP_PGVECTOR_READ_ONLY
Set to 'true' to disable upsert_embedding and create_vector_index

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector"
      ],
      "env": {
        "DATABASE_URL": "<YOUR_DATABASE_URL>",
        "MCP_PGVECTOR_READ_ONLY": "<YOUR_MCP_PGVECTOR_READ_ONLY>"
      }
    }
  }
}

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