pgvector

io.github.mittalpk/pgvector · v0.1.0

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

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add pgvector -e DATABASE_URL=<DATABASE_URL> -e MCP_PGVECTOR_READ_ONLY=<MCP_PGVECTOR_READ_ONLY> -- uvx mcp-server-pgvector==0.1.0

claude_desktop_config.json

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector==0.1.0"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_PGVECTOR_READ_ONLY": "<MCP_PGVECTOR_READ_ONLY>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector==0.1.0"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_PGVECTOR_READ_ONLY": "<MCP_PGVECTOR_READ_ONLY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "pgvector": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-pgvector==0.1.0"
      ],
      "env": {
        "DATABASE_URL": "<DATABASE_URL>",
        "MCP_PGVECTOR_READ_ONLY": "<MCP_PGVECTOR_READ_ONLY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

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

Details

Package	`[email protected]` (PYPI, stdio)
First published	21 Jul 2026
Last updated	21 Jul 2026
Registry name	`io.github.mittalpk/pgvector`

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Local install

Installed and run on your own machine, so there is no public endpoint to check.

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