Crab Agent Extension — AI skill for Claude Code
Crab-Agent is an LLM-powered Chrome extension that automates browser tasks using natural language commands.
How to install Crab Agent Extension
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open Hert4/crab-agent-extension and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Crab Agent Extension does
Crab-Agent is an LLM-powered Chrome extension that automates browser tasks using natural language commands. Inspired by Claude for Chrome
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README
Crab-Agent
   
A Chrome extension that turns your browser into an AI agent. Type a command in plain language and the agent clicks, types, navigates, reads pages, and finishes the task for you.
Documentation
New to Crab-Agent? Start with the guides below.
| Guide | Description |
|---|---|
| Getting Started | Installation, setup, and your first task |
| Use Cases | Copy-paste examples for search, email, forms, scraping, and more |
| Workflows | Record and replay browser actions like macros |
| Memory and Rules | How Crab learns and remembers across sessions |
| Scheduling | Timers, reminders, and recurring tasks |
| Canvas and Design | Posters, generative art, and Figma or Miro workflows |
| Providers | Choose and set up your AI provider |
| Tips and Troubleshooting | Best practices, common errors, and fixes |
Installation
- Download or clone this repository.
- Open
chrome://extensionsand enable Developer mode. - Click Load unpacked and select the repository folder.
- Open any website, then click the Crab-Agent icon to open the side panel.
- Go to Settings and enter your chosen provider's API key, or pick ChatGPT (Sign in) to authenticate with OAuth.
Usage
Open the side panel on any page, type what you want done, and send. The agent will:
- Take a screenshot of the active tab.
- Read the page DOM and accessibility tree.
- Call the LLM with the
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