AgentDeck by mantou132
Browser side panel and DevTools client for Agent Client Protocol (ACP) connecting to coding agents.
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About this extension
AgentDeck turns your coding agents (Claude Code, Codex, Cursor, pi) into remote services you can reach directly from your browser extension side panel.
Source code: https://github.com/mantou132/AgentDeck
- Side Panel & DevTools Integration: Chat with your local agents right beside your web apps.
- ACP Protocol Support: Supports tools execution, streaming markdown responses, session management, and approvals.
- End-to-End Encrypted Transport: Relay communication uses secure end-to-end encrypted pairing IDs.
- Rich Content: Code diffs, Mermaid diagrams, and LaTeX math formulas.
- Install and start the desktop daemon:
npm install -g agentdeckd && agentdeckd start - Open AgentDeck in the Firefox sidebar.
- Paste the Pairing ID into Settings, select an agent, and start chatting.
Source code: https://github.com/mantou132/AgentDeck
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Permissions and data
Required permissions:
- Extend developer tools to access your data in open tabs
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 0.3.2
- Size
- 1.66 MB
- Last updated
- 4 days ago (Sep 27, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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