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Preview of OpenCode

OpenCode by Simon Townsend

OpenCode agents into your browser. Include browser tab content as agent context and create session-scoped workspaces on your filesystem. Quickly spin up prototypes based on documentation open in your browser.

Available on Firefox for Android™
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Ask questions based on the content of open tabs. The currently active tab is tracked so that phrases like "What am I looking at?" or "What's on this page?" is assumed to be the visible tab.UI support for the agent to propose clarifying questions with options.Create session-scoped workspaces on the filesystem. Ask the agent to build the quickstart you're looking at or start a research document based on the tabs you have open.
About this extension
Requirements
Features
  • Tab Context - Select open browser tabs to include their content as context in the chat.
  • Workspaces
    • Select a directory on your filesystem to scope the agent's changes to.
    • OpenCode sessions are automatically created and associated with workspaces, keeping project context separate
    • Switch between recently used workspaces.
  • OpenCode Basic Auth support - Supports auth via opencode serve OPENCODE_SERVER_PASSWORD=<pwd>.
  • Developer Mode - View context sent with each prompt, access debug logs, and clear sessions.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Access your data for localhost:4096

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.1.1
Size
1.04 MB
Last updated
12 hours ago (May 16, 2026)
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