Go 1.25+ · MCP Protocol · MSFS 2020 & 2024

SimConnect MCP

Model Context Protocol server for Microsoft Flight Simulator — query SimConnect SDK docs and read live simulator data from Claude, Copilot, or any MCP-compatible AI.

Get Started View on GitHub

$ go install github.com/mrlm-net/simconnect-mcp/cmd/simconnect-mcp@latest

docs mode simconnect mode Apache 2.0

Why SimConnect MCP

Everything you need to work with MSFS SDK from your AI

Documentation Mode

Query the full SimConnect SDK reference — simulation variables, events, API functions, and data structures — from any MCP client.

Live Simulator Data

Read real-time simulation variables from a running MSFS session. Altitude, heading, speed — anything SimConnect exposes.

Event Transmission

Send SimConnect events from your AI workflow. Toggle landing gear, set autopilot altitude, trigger any key event.

MSFS 2020 & 2024

Full corpus coverage for both simulator generations with per-item version tagging.

1,800+ SimVars

Aircraft, helicopter, GPS, environment, services — the complete SimConnect simulation variable reference.

Cross-Platform

Docs mode runs on Linux, macOS, and Windows. No simulator required to query the SDK reference.

Explore the docs

Get up and running in minutes

Getting Started

Install the binary and connect to your MCP client in minutes.

Claude Code Setup

Add SimConnect MCP to Claude Code for in-editor SDK lookups and live simulator access.

MCP Tools Reference

All 11 MCP tools with parameters, examples, and error codes.

SimConnect Go SDK

Build Microsoft Flight Simulator add-ons with Go. Lightweight, typed, zero-dependency wrapper over SimConnect.dll for MSFS 2020 & 2024.

Get Started View Documentation

Install

$ go get github.com/mrlm-net/simconnect

github.com/mrlm-net/simconnect · Apache 2.0

Support the project

Back open-source MSFS tooling

Sponsoring covers infrastructure costs, development time, and MSFS 2020 & 2024 licences required to test against real simulator versions.

Sponsor via Revolut