vrchat-udon-mcp
MCP server that provides UdonSharp development tools for VRChat by indexing and searching the agent-skills-vrc-udon repository, enabling AI agents to access skills, rules, templates, and validate code.
README
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VRChat Udon MCP
MCP server for VRChat UdonSharp development — exposes the agent-skills-vrc-udon knowledge base to AI assistants via the Model Context Protocol.
🌐 Documentation
| Language | README | Description |
|---|---|---|
| 🇺🇸 English | docs/README.en.md | Full guide — installation, MCP setup, tools |
| 🇪🇸 Español | docs/README.es.md | Guía completa en español |
| 🇫🇷 Français | docs/README.fr.md | Guide complet en français |
| 🇯🇵 日本語 | docs/README.ja.md | 日本語の完全ガイド |
| 🇰🇷 한국어 | docs/README.ko.md | 한국어 전체 가이드 |
What is this?
vrchat-udon-mcp is a stdio MCP server that indexes, searches, and validates UdonSharp documentation from the agent-skills-vrc-udon repository at runtime. No hardcoded docs — the remote repo is the single source of truth.
| 18 MCP tools | Search, explain, validate, templates, SDK matrix |
| Dynamic resources | Skills, rules, cheatsheets, templates |
| Live indexing | MiniSearch with weighted ranking + file watcher |
| IDE support | Cursor, Claude Desktop, ChatGPT Desktop |
Quick start
git clone https://github.com/MauDevVR/vrchat-udon-mcp.git
cd vrchat-udon-mcp
pnpm install
pnpm update-docs && pnpm build-index && pnpm build
pnpm start
MCP config (Cursor / Claude — relative paths only):
{
"mcpServers": {
"vrchat-udon": {
"command": "node",
"args": ["${workspaceFolder}/dist/index.js"]
}
}
}
See docs/mcp-config.example.json and the language READMEs for npx, global install, submodule, and git dependency options.
Table of contents
Screenshots
Placeholder — add screenshots of MCP tools in Cursor, search results, or validation output here.
| MCP connected in Cursor | search_documentation results |
|---|---|
| Screenshot pending | Screenshot pending |
License
MIT — Documentation and skills by niaka3dayo/agent-skills-vrc-udon. MCP server by MauDevVR.
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