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Patch

Play and build games and mods, with a built-in agent chat plus a CLI and MCP server for your own coding agent.

Sources checked

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Pricing
Patch is free: its terms say nothing on Patch costs money today. Your coding agent's provider and the stores that sell you games charge separately. Patch plans to pay makers when their work is played or built on, and says its terms will change before that starts. Official source 1 ↗
Available as
Patch Desktop is a Windows app (installer about 115 MB); a Mac version has a waitlist. Browser games play on patch.gg. · Coding agents connect through the pch command line, an MCP server or a public HTTP API, and can run on Windows, WSL, macOS or Linux; publishing still needs a test in Patch Desktop on a Windows PC. Official source 1 ↗ · Official source 2 ↗ Official source 1 ↗ · Official source 2 ↗
Primary group
Coding & Development

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What it does

Patch is a platform for playing and building games and mods. Players get a Windows app (Patch Desktop) with one Play button that installs a mod and its loader and starts the game, and browser games play on patch.gg with nothing to install. Creators build with a coding agent: Patch Desktop has a built-in agent chat, and Patch's CLI (pch) and MCP server connect the coding agent you already use. Every project is an open git repo that others can remix, and there is a library of open-source game assets. Patch is made by a startup that launched in November 2026 and is in early development.

Official source 1 ↗ · Official source 2 ↗ · Official source 3 ↗ · Official source 4 ↗

Features

  • One Play button for mods. Patch installs a mod and everything it needs, such as its mod loader, then starts the game. A Ready check lists the games a mod needs and whether they are on your PC. Official source 1 ↗
  • Clean game folders. Wherever the game allows, mods go in a profile folder Patch owns, so the game's own files are untouched and uninstalling is clean. Official source 1 ↗
  • Build games from an agent chat. Describe a game in Patch Desktop's chat; its agent builds it in the project's git repo and previews it, already signed in with Patch's tools. Official source 1 ↗
  • CLI and MCP for your own agent. Installing pch gives every coding agent on the PC Patch's MCP server and a skill describing Patch, so Claude Code, Codex and others can build and publish games there. Official source 1 ↗ · Official source 2 ↗
  • Recorded test before publishing. Before a release goes live, Patch Desktop plays it once as players get it and records it, the agent reviews the recording, you approve, and Patch scans it. Official source 1 ↗ · Official source 2 ↗
  • Open-source asset library. A library of open-source, game-ready 3D models, characters, textures, materials and sound effects, each with its licence and credit line, searchable by you or your agent. Official source 1 ↗
  • Remixable projects. Projects are open git repos by default, so you can take parts of any game on Patch and combine them into something new. Official source 1 ↗ · Official source 2 ↗

Pricing & free limits

Patch

FreeNo charge today

Playing, building and publishing on Patch cost nothing today; your coding agent's maker and game stores bill you separately. Official source 1 ↗

Billing details

Patch plans to let makers earn when their work is played or built on, and says its terms will change before that starts. Mods and mashups of other companies' games must stay free. Official source 1 ↗

Free access & limits

Free access and its limits were not established by the checked official sources.

Best for & limitations

Install and launch game mods with one button, without a separate launcher and without changing the game's own files. Official source 1 ↗

Ask a coding agent for a small browser game, test it in Patch Desktop and publish it for others to play and remix. Official source 1 ↗

Start from a published project such as Oil paint, an open three.js scene drawn entirely as oil-paint brush strokes, and change it into your own game. Official source 1 ↗

  • Windows only for now. Patch Desktop runs on Windows; Mac users can only join a waitlist, and publishing needs a test on a Windows PC. Official source 1 ↗ · Official source 2 ↗
  • New-publisher warnings. Patch launched this week, so Windows SmartScreen warns about the installer, and on some Windows 11 PCs Smart App Control blocks it until you turn that setting off. Official source 1 ↗
  • Early development. Patch says it is in early development and its docs grow with it. Official source 1 ↗
Patch product screenshot
Website previewFixed desktop viewport · 1440 × 900

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