kitepon

Sprite Forge MCP — Development skill for Claude Code

Development community

Local-GPU sprite studio for games: text → transparent RGBA sprites, character bibles & LoRAs.

How to install Sprite Forge MCP

This entry records only its repository, not the path inside it, so there is no exact command to give. Open kitepon/sprite-forge-mcp and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Sprite Forge MCP does

Local-GPU sprite studio for games: text → transparent RGBA sprites, character bibles & LoRAs. One backend, two faces — a human WebUI and a 15-tool MCP server (ComfyUI-backed).

Alternatives in Development

JEngine — The solution that allows unity games to update in runtime 2.2k ★
Codeman — Manage Claude Code & Opencode in Tmux Sessions in a modern WebUI 329 ★
Comfy Help — Show the user what they can do with the ComfyUI Cloud MCP tools 178 ★

README

sprite-forge-mcp — local-GPU sprite studio for games, driven from a human WebUI or an AI agent over MCP

sprite-forge-mcp

[![license: MIT](https://img.shields.io/github/license/kitepon/sprite-forge-mcp?color=blue)](LICENSE) [![python](https://img.shields.io/badge/python-3.11%2B-3776ab?logo=python&logoColor=white)](requirements.txt) [![MCP](https://img.shields.io/badge/MCP-FastMCP-4c8dff?logo=anthropic&logoColor=white)](https://modelcontextprotocol.io) [![backend: ComfyUI](https://img.shields.io/badge/backend-ComfyUI-7ee08a)](https://github.com/comfyanonymous/ComfyUI)

**English** · [日本語](README.ja.md)

**Type an idea → get a transparent, game-ready character sprite. Same engine, drivable by you (WebUI) or your AI agent (MCP).**

A character bible / model sheet generated by sprite-forge — one consistent character drawn as a turnaround, with expressions, actions and alternate costumes

One character bible, generated from a single base sprite — a consistent turnaround + expressions + actions + alt costumes. And every sprite comes out as clean, transparent RGBA:

Transparent RGBA sprite output on a checkerboard, showing clean corners and a clean matte

`sprite-forge` is a local [ComfyUI](https://github.com/comfyanonymous/ComfyUI) studio that turns a text idea into a transparent **RGBA sprite**, a full **character bible**, a **character LoRA**, and then that character **in any pose** — with hard-won production rules baked into quality gates, so broken assets get caught before they reach your game.

One Python backend, **two faces**: a step-flow **WebUI** for humans and a **FastMCP server** for agents (Claude / Codex / any MCP client) — both calling the *same* `backend/services.py`, so the gates