TheRaLabs/legion-mcp
GPL-3.0🐍 🏠 Universal database MCP server supporting multiple database types including PostgreSQL, Redshift, CockroachDB, MySQL, RDS MySQL, Microsoft SQL Server, BigQuery, Oracle DB, and SQLite.
Install
npx -y @modelcontextprotocol/inspectorclaude_desktop_config.json
{
"mcpServers": {
"theralabs-legion-mcp": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/inspector"
]
}
}
}Add this to your Claude Desktop config file. Find it at ~/Library/Application Support/Claude/claude_desktop_config.json on macOS.
What this does
TheRaLabs/legion-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation. That makes it useful when you want Claude to reach into your databases without copy-pasting context every turn.
Common use cases
- •Query structured data without writing SQL by hand
- •Let Claude read table schemas before answering data questions
- •Run read-only operational reports or sanity checks during incidents
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