VRChat Udon MCP

Item: VRChat Udon MCP
Rating: 46
Author: M8ven

A Model Context Protocol server that exposes the agent-skills-vrc-udon repository as an interface for UdonSharp development in VRChat. It provides tools for searching documentation, reading skills, validating code, and more.

→ elmau21/vrchat-udon-mcp · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

⚠️

Tests do not pass

Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.

// known CVEs in dependencies1 critical3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.0.8GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configUDON_MCP_CONFIG— También puedes usar la variable de entorno para apuntar a otro archivo de configuración.

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 9 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/elmau21-vrchat-udon-mcp-x0f1us)](https://m8ven.ai/mcp/elmau21-vrchat-udon-mcp-x0f1us)

commit: c27fa26e332fb3f5cd60a87001414ce41cc64e55

code hash: 4786bce692ea407de601a0a5d66a665759719fa0fd7465f330e659bc5405edb9

verified: 7/9/2026, 10:06:38 AM

view raw JSON →