understudy Skill

How to use understudy Skill

npm install -g @understudy-ai/understudy
understudy wizard    # walks you through setup

{
  "manifest_version": 3,
  "name": "Understudy Browser Relay",
  "version": "0.2.0",
  "description": "Attach Understudy to your existing Chrome tab via a local CDP relay server.",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": ["debugger", "tabs", "activeTab", "storage", "alarms", "webNavigation"],
  "host_permissions": ["http://127.0.0.1/*", "http://localhost/*"],
  "background": { "service_worker": "background.js", "type": "module" },
  "action": {
    "default_title": "Understudy Browser Relay (click to attach/detach)",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": { "page": "options.html", "open_in_tab": true }
}

What is understudy Skill?

understudy is a TypeScript AI agent skill for Cursor, VS Code, Codex with npx, git clone. An understudy watches. Then performs. This profile combines repository metadata with install, compatibility, and usage signals so developers can quickly decide whether it fits their agent workflow before opening the source repository.

Key capabilities

• Reusable instructions support
• Includes SKILL.md support
• Shell commands support
• Browser use support
• Document generation support
• OpenAI provider support
• Anthropic provider support

Available tools

Technical details

Install or run understudy using npx. Check understudy-ai/understudy for the latest setup command.

• Built for TypeScript
• Built for Node.js
• Built for Python
• Built for Rust
• Install or run with npx
• Install or run with git clone
• Works with Cursor
• Works with VS Code

Requirements and access

Security and permissions

Review permissions before connecting any MCP server to an agent. Pay special attention to whether it can read local files, write data, call external services, or perform destructive actions.

When to use understudy Skill

• Use it for reusing agent instructions, scripts, and references.
• Use it for agent skills workflows.
• Use it for coding workflows.
• Use it for data workflows.
• Use it for cursor users.

Built with

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Frequently asked questions