MCP server for building, running and live-testing FiveM servers: RCON + DevCon protocol (reverse-engineered from CitizenFX, live-verified), game-window automation and the mcpb bridge.
An MCP (Model Context Protocol) server that lets AI agents — Claude, Qwen, or anything that speaks MCP — build, run and live-test FiveM servers from the same machine.
It is the missing test layer for the "did it actually work in-game?" question: the agent can run real console commands, watch both the server log and the live F8 console of a running FiveM client, wait for specific output, and react — without you touching the keyboard.
v0.4 drives the whole loop: server console (RCON), client F8 console (devcon), the game window (launch, focus, screenshot, keyboard/mouse) and an in-game bridge (mcpb) for natives, exports and NUI callbacks — plus ready-made test prompts. All of it live-verified against a real FXServer + FiveM Legacy client (see docs/plan.md and scripts/live-.mjs).
Channel Address --- --- npm fivem-mcp-server — npx -y fivem-mcp-server MCP Registry io.github.ziyacivan/fivem-mcp (registry.modelcontextprotocol.io) Source releases GitHub Releases, tagged vX.Y.Z
The repository's GitHub Packages sidebar is deliberately empty: the artifact lives on npmjs.com, not GitHub Packages — the latter would force a scoped @ziyacivan/ package name and a second registry for no benefit.
- Node 22+ (Windows, macOS or Linux for the server side; the client devcon works wherever the FiveM client runs — this tool must run on that machine for the client tools since devcon binds to localhost by default). - A running FXServer you administer (rconpassword set for servercommand). - The Legacy FiveM client for the client-console tools (Enhanced removed the client devcon ports; see docs/p
From the project README.
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