# LINQ to DB (MCP server)

> LINQ to DB is an MCP server that adds database tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Inspect database schemas and execute SQL queries across multiple database providers with LINQ to DB. It has 3,332 GitHub stars, is released under the MIT license and runs locally with dnx linq2db.cli --yes.

* NOTE: This is not a library you could reference from your project, but command line utility, installed using dotnet tool command (see installation notes). *

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/linq2db/linq2db |
| GitHub stars | 3,332 |
| License | MIT |
| Language | C# |
| Transport | stdio |
| Packages | nuget: linq2db.cli |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Databases |
| Latest release | v6.5.0 (Sep 11, 2026) |
| Last commit | Oct 4, 2026 |
| MCP registry name | io.github.linq2db/linq2db.cli |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "linq-to-db": {
      "command": "dnx",
      "args": [
        "linq2db.cli",
        "--yes"
      ]
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --transport stdio linq-to-db -- dnx linq2db.cli --yes
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "linq-to-db": {
      "type": "stdio",
      "command": "dnx",
      "args": [
        "linq2db.cli",
        "--yes"
      ]
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "servers": {
    "linq-to-db": {
      "type": "stdio",
      "command": "dnx",
      "args": [
        "linq2db.cli",
        "--yes"
      ]
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

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