One free package for the Unity Editor. Describe what you want and Synagy plans it with a price, builds it in your project, then compiles, play-tests and fixes it. Or let your own agent drive the editor.
Our crew builds it for you
“Make the selected object a pickup that gives points and plays a sound.”
Claude Code, Codex, Cursor and more
“Make the enemies patrol between waypoints and chase the player when close.”
Unzip it into Packages/ or add the tarball in the Package Manager.
It opens by itself the first time. Later: Synagy > Open Chat or Ctrl+Shift+Y.
A game, a mechanic or a change. It takes your selection and open scene as context.
Every part with its price in credits. Then press Build.
Scripts compile, Play mode runs, a screenshot gets checked. Then Try it.
The Synagy chat docks next to your scene.
Every part with its price in credits.
C# scripts, scene objects, materials.
Compiled, run in Play mode, checked on a screenshot.
One click and you play what was built.
What changed and where, so you can keep going.
engine_run returns output and errors with line numbers.
unity_compile reports compiler errors with file and line.
engine_logs shows the newest lines, errors marked.
engine_play starts and stops the game to test it.
engine_screenshot hands the agent a picture of the scene.
engine_scene lists objects, types, positions and sizes.
Every part compiles, runs in Play mode and gets a screenshot review before you see it. Errors go back to the builder, not to you.
Synagy writes into Assets/Synagy/ and keeps the conversation in UserSettings. Your own code and scenes stay as they are.
The bridge listens only on this computer. With your own agent, no project data is sent to Synagy.
Package and MCP are free. The chat runs on credits, shows the price first, and a part that fails costs nothing.
Unzip synagy-unity.zip into the Packages folder of your project, or in Unity: Package Manager > + > Install package from tarball.
Your agent downloads the package and the MCP server, sets both up and proves the connection with a test cube. You restart it once.
Unity 6 (6000.0) or newer, on Windows, macOS and Linux. We test against Unity 6000.0.84f1.
The chat is in early access: it signs in with your Synagy account and opens to everyone together with the Synagy Cloud. The package and the MCP way with your own agent work today.
The package and the MCP server are free. With your own agent you pay whatever that agent costs you. The Synagy chat runs on credits: you see the price before it builds, and failed parts are free.
Your game’s scripts, materials, prefabs and scenes go into Assets/Synagy/. Every editor command compiles once, so expect a short domain reload. Use version control in projects you care about.
Claude Code, Codex, Hermes, Cursor, Antigravity and any other agent that runs a local MCP server. Signed in, the studio writes the setup prompt for yours.
Ask it to call engine_status: the answer names the missing step. Usual causes: the agent was not restarted after setup, Unity is closed, or the project has compile errors (Unity loads no editor code then).
Works with your own agent today. The Synagy chat follows in early access.
Unity is a trademark of Unity Technologies. Synagy is not affiliated with or endorsed by Unity Technologies.