WAT-AI-Broker

Item: WAT-AI-Broker
Rating: 54
Author: M8ven

Acts as a bridge between an AI assistant and a WebApp Tinkerer instance, enabling live inspection and manipulation of applets in the browser.

→ rozek/wat-ai-broker · listed on glama

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// key findings

🚨

Known vulnerabilities in dependencies: 2 critical, 4 high

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

🔐

You'll be asked for 1 credential: WAT_ACCESS_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies2 critical4 high2 low

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

criticalvitest@2.0.0GHSA-5xrq-8626-4rwp

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

criticalvitest@2.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

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

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// required environment variables

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

🔐 secretWAT_ACCESS_TOKEN— yes — shared secret; must match the token configured in the WebApp Tinkerer. The process exits immediately if it is unset.

configWAT_BROKER_PORT— no 3461 WebSocket port the WAT instance connects to (/wat)

configWAT_MCP_HOST— no 127.0.0.1 interface the MCP HTTP server binds to

configWAT_MCP_PORT— no 3460 port the MCP client connects to (/mcp)

// 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 6 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/rozek-wat-ai-broker-171snv)](https://m8ven.ai/mcp/rozek-wat-ai-broker-171snv)

commit: 2013884c1fc9745766a23f347eed330406440780

code hash: 19f0b32f765336a561fb07ebb4cb55f945cd672b31eb6c976729cecb2e6b79d6

verified: 7/13/2026, 9:51:55 AM

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