How do I install legion-mcp?

Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/TheRaLabs/legion-mcp

Is legion-mcp official and is it maintained?

We found nothing naming it as a vendor’s official server. Its repository has 95 GitHub stars and its state in our directory is stale. Its last commit we recorded was on 2025-05-11.

What licence does legion-mcp use?

The repository declares the GPL-3.0 licence.

InfratoApp / Resources / MCP servers / legion-mcp

legion-mcp

legion-mcp is an MCP server. Its repository has 95 GitHub stars and is licensed under GPL-3.0; we last read it on 2026-10-23.

This server facilitates data access and querying through the Legion Query Runner using the Model Context Protocol (MCP) in Python.

Install

MCP servers are packaged differently from each other -- some run via npx, some as a Docker image, some as a plain script you clone and run. legion-mcp’s own README did not state one plainly enough for this page to quote it rather than guess, so it will not guess. The repository below states it.

Read legion-mcp’s own install instructions ↗

What it reaches, and what it needs

Reaches

○ not recognised

Credential

○ none found

Maintenance

Stars

State

stale

Licence

GPL-3.0

From the repository

A server that helps people access and query data in databases using the Legion Query Runner with Model Context Protocol (MCP) in Python.

View on GitHub ↗2026-10-23

What legion-mcp can do

10 tools documented in its README. An AI client calls these by name.

execute_query: Execute a SQL query and return results as a markdown table
execute_query_json: Execute a SQL query and return results as JSON
get_table_columns: Get column names for a specific table
get_table_types: Get column types for a specific table
get_query_history: Get the recent query history
list_databases: List all available database connections
get_database_info: Get detailed information about a database including schema
find_table: Find which database contains a specific table
describe_table: Get detailed description of a table including column names and types
get_table_sample: Get a sample of data from a table

Read from the README; names are kept only if the README contains them.

Common questions about legion-mcp

What does legion-mcp do?: This server facilitates data access and querying through the Legion Query Runner using the Model Context Protocol (MCP) in Python.
How do I install legion-mcp?: Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/TheRaLabs/legion-mcp
Is legion-mcp official and is it maintained?: We found nothing naming it as a vendor’s official server. Its repository has 95 GitHub stars and its state in our directory is stale. Its last commit we recorded was on 2025-05-11.
What licence does legion-mcp use?: The repository declares the GPL-3.0 licence.