pgvector MCP Server: Install & Setup

Install pgvector in Claude Code

Claude Code

claude mcp add pgvector -e DATABASE_URL=... -- uvx mcp-server-pgvector

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector"
      ],
      "env": {
        "DATABASE_URL": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the pgvector MCP server do?

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

Is the pgvector MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does pgvector run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add pgvector to Claude Code?

Run: claude mcp add pgvector -e DATABASE_URL=... -- uvx mcp-server-pgvector

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