JS Reverse MCP

Item: JS Reverse MCP
Rating: 0
Author: M8ven

A JavaScript reverse engineering MCP server that enables AI coding assistants to debug and analyze JavaScript code in web pages.

→ a0yark/js-reverse-pro-mcp · listed on glama

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// key findings

🚨

Code appears obfuscated

1 file are unreadable to a human reviewer. Cannot audit what they do.

⚠️

Known vulnerabilities in dependencies: 4 high

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

🔐

You'll be asked for 4 credentials: ANTHROPIC_API_KEY, GEMINI_API_KEY, JRMCP_SESSION_KEY, OPENAI_API_KEY

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

// known CVEs in dependencies4 high1 low

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

high@modelcontextprotocol/sdk@1.21.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.21.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.21.1GHSA-w48q-cv73-mx4w

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

highrollup@4.53.3GHSA-mw96-cpmx-2vgc

Rollup 4 has Arbitrary File Write via Path Traversal

low@babel/core@7.29.0GHSA-4x5r-pxfx-6jf8

@babel/core: Arbitrary File Read via sourceMappingURL Comment

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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.

🔐 secretANTHROPIC_API_KEY

🔐 secretGEMINI_API_KEY

🔐 secretJRMCP_SESSION_KEY— sessionEncryptionKey Session-dump default secret (also reads env) -

🔐 secretOPENAI_API_KEY— sk-... node build/src/index.js \

// 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 5 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/a0yark-js-reverse-pro-mcp-m198t0)](https://m8ven.ai/mcp/a0yark-js-reverse-pro-mcp-m198t0)

commit: 841567fcfe085618cdd90780d2539c95a04a2d3d

code hash: 714e190bc2e69d4baf307095549320043798a0d408f2ca37c4a9c591cb2e66e6

verified: 6/17/2026, 11:24:20 AM

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