pgvector MCP Server

by mittalpkio.github.mittalpk/pgvectorv0.1.0

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

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Maintained3mo ago

Install pgvector MCP server

claude mcp add pgvector -e DATABASE_URL='<database-url>' -- uvx mcp-server-pgvector

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

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

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "pgvector": {
      "command": "uvx",
      "args": [
        "mcp-server-pgvector"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
DATABASE_URL	yes	yes	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

Freshness

Maintained — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-07-21 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-21 · 3mo ago · official registry · v0.1.0

FAQ

›How do I install the pgvector MCP server in Claude Code?

Run: claude mcp add pgvector -e DATABASE_URL='<database-url>' -- uvx mcp-server-pgvector. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does pgvector require an API key?

Yes. It expects DATABASE_URL, of which 1 is a secret.

›Can I use pgvector as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is pgvector in the official MCP registry?

Yes, as io.github.mittalpk/pgvector.