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Jshookmcp

Jshookmcp is an MCP server that searches-first MCP server for JavaScript reverse engineering: 735 tools across 36 domains. It has 2,062 GitHub stars, is released under the AGPL-3.0 license and runs locally with npx -y @jshookmcp/jshook. It works with Claude Desktop, Claude Code, Cursor and VS Code.

github.com/vmoranv/jshookmcp (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Jshookmcp

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "jshookmcp": {
      "command": "npx",
      "args": [
        "-y",
        "@jshookmcp/jshook"
      ]
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --transport stdio jshookmcp -- npx -y @jshookmcp/jshook

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "jshookmcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@jshookmcp/jshook"
      ]
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "servers": {
    "jshookmcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@jshookmcp/jshook"
      ]
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

About Jshookmcp

A search-first, profile-aware reverse-engineering workspace for AI agents. Hook the page, capture the network, deobfuscate the bundle, disassemble the WASM, instrument the process — and let one MCP server keep the whole attack surface in reach without drowning the model in schemas.

  • browser-automation
  • debugging
  • deobfuscation
  • js-reverse
  • mcp
  • network-analysis
  • reverse-engineering
  • security-analysis
  • ai-agents
  • anti-detection

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FAQ

Jshookmcp FAQ

Still curious? Email info@appsgit.com.

How do I install the Jshookmcp MCP server?

Add the command npx -y @jshookmcp/jshook to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Jshookmcp free?

The server is open source under the AGPL-3.0 license, so running it is free. It does not declare any required API key.

Is Jshookmcp actively maintained?

The most recent commit was on Oct 25, 2026. The latest release is v0.4.2, published Oct 10, 2026. appsgit only lists MCP servers with a commit in the last six months.