NexQL Postgres MCP Server

by nexql-ossio.github.NexQL-OSS/nexql-mcpv0.2.4

Standalone Postgres MCP server — schema-aware, read-only by default, installable everywhere.

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained45d ago

Install NexQL Postgres MCP server

claude mcp add nexql -e DATABASE_URL='<database-url>' -- npx -y nexql-mcp

{
  "mcpServers": {
    "nexql": {
      "command": "npx",
      "args": [
        "-y",
        "nexql-mcp"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "nexql": {
      "command": "npx",
      "args": [
        "-y",
        "nexql-mcp"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

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

{
  "servers": {
    "nexql": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "nexql-mcp"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "nexql": {
      "command": "npx",
      "args": [
        "-y",
        "nexql-mcp"
      ],
      "env": {
        "DATABASE_URL": "<database-url>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
DATABASE_URL	—	yes	Postgres connection string, used when no positional URL or --profile is given.
NEXQL_MCP_CONFIG	—	—	Path to config.toml (default: ~/.config/nexql-mcp/config.toml).

Freshness

Maintained — last maintenance signal 45d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-25 · 45d ago · GitHub
Latest release
2026-08-24 · 47d ago · GitHub · v0.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-08-08 · 2mo ago · official registry · v0.2.4

FAQ

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

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

›Does NexQL Postgres require an API key?

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

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

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

›Is NexQL Postgres in the official MCP registry?

Yes, as io.github.NexQL-OSS/nexql-mcp.