SQL MCP Server

by abhishekkumar2021io.github.Abhishekkumar2021/sqlv0.1.0

MCP server for SQL databases — read-only querying and schema introspection over Postgres and SQLite, with a gated write mode, from any MCP client.

1Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing3mo ago

Install SQL MCP server

claude mcp add sql -e DB_CONN_default='<db-conn-default>' -- npx -y @abhishekmcp/sql

{
  "mcpServers": {
    "sql": {
      "command": "npx",
      "args": [
        "-y",
        "@abhishekmcp/sql"
      ],
      "env": {
        "DB_CONN_default": "<db-conn-default>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "sql": {
      "command": "npx",
      "args": [
        "-y",
        "@abhishekmcp/sql"
      ],
      "env": {
        "DB_CONN_default": "<db-conn-default>"
      }
    }
  }
}

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

{
  "servers": {
    "sql": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@abhishekmcp/sql"
      ],
      "env": {
        "DB_CONN_default": "<db-conn-default>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "sql": {
      "command": "npx",
      "args": [
        "-y",
        "@abhishekmcp/sql"
      ],
      "env": {
        "DB_CONN_default": "<db-conn-default>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
DB_CONN_default	—	yes	Connection URL for the 'default' connection (postgres://… or sqlite:/abs/path). Additional connections use DB_CONN_<name>. Carries credentials — treated as secret.
DB_WRITABLE	—	—	Set to 1 or true to enable the write tools (execute, execute_script).

Freshness

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

Last commit (default branch)
2026-07-04 · 3mo ago · GitHub
Latest release
2026-07-04 · 3mo ago · GitHub · http-v0.1.0
Package published
no data · npm/PyPI
Registry entry updated
2026-07-04 · 3mo ago · official registry · v0.1.0

FAQ

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

Run: claude mcp add sql -e DB_CONN_default='<db-conn-default>' -- npx -y @abhishekmcp/sql. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does SQL require an API key?

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

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

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

›Is SQL in the official MCP registry?

Yes, as io.github.Abhishekkumar2021/sql.