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Rill Browser
Browser that integrates with Claude Code and Codex agents for on-page task execution
About Rill Browser
Rill browser is a macOS application that integrates with existing Claude Code or Codex plans to allow AI agents to perform tasks directly within the browser. The tool organizes tabs by project and agent activity, enabling users to send requests or tasks from any page without switching applications. Agents operate in the background, updating the user when work is complete, and maintain project context by referencing the user’s existing Claude Code or Codex history. The browser retains standard features such as password management via Keychain, private windows, and tab organization, while adding AI-driven workflows like project-based task sorting and natural language commands. Users can interact with agents through keyboard shortcuts or voice commands, and the browser supports multiple agents working simultaneously across different projects. Completed tasks are marked and archived, creating a chronological record of activity.
Key features
- Project-based tab organization
- Natural language task submission via ⌘E
- Background agent execution with completion notifications
- Project context detection from existing history
- Voice command support (beta)
- Tab comparison tool for up to six pages
- Private browsing with retained sign-ins
- Agent task history tracking
Use cases
- Automating data analysis tasks directly from web pages
- Generating visualizations or charts from web data
- Researching and compiling information across multiple tabs
Pros
- Integrates with existing Claude Code or Codex subscriptions
- Organizes tabs and tasks by project automatically
- Supports natural language commands and background agent work
- Retains standard browser features like Keychain passwords and private windows
- No additional API keys or subscriptions required
Cons
- Requires macOS 14 or later on Apple silicon hardware
- AI features depend on Claude Code or Codex plans
- Voice commands are in beta and require setup
- Agents cannot complete payment steps without explicit user instruction
Frequently asked questions about Rill Browser
What does Rill Browser cost?
Rill Browser is free to download and use. The AI features rely on an existing Claude Code or Codex plan you already have; no additional subscription or API keys are required.
Do I need a Claude Code or Codex subscription to use Rill Browser?
Yes, the AI agent features require an active Claude Code or Codex plan. Browsing functionality works without these subscriptions.
Can an agent make purchases or changes without my permission?
Agents are prevented from completing payment steps, placing orders, or typing into sensitive fields like passwords or card details unless explicitly instructed. Edits to code are read-only until approved, and changes in git repositories can be undone.
How does Rill Browser handle privacy and security?
Your browsing history, passwords, and agent activity remain on your Mac. Passwords are stored in the Keychain and unlocked with Touch ID. Agents operate under your account and read pages as untrusted text, with additional safeguards like browsing in separate tabs without your logins.
What macOS versions and hardware does Rill Browser support?
Rill Browser is compatible with Macs running macOS 14 or later and requires Apple silicon. It supports standard browser features like Keychain integration, private windows, and tab organization.
How do I get started with Rill Browser?
Download Rill Browser from the website, drag it to your Applications folder, sign in to your Claude Code or Codex account, and press ⌘E on any page to start sending tasks to your agents. No additional setup is required.