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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.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.UI support for the agent to propose clarifying questions with options.
About this extension
  • Tab Context — Select open browser tabs to include their content as context.
  • Workspaces
    — Select a directory on your filesystem to scope the agent's changes to.
    — Sessions are automatically scoped to workspaces, keeping project conversations separate
    — Switch between recently used workspaces with configurable history.
  • OpenCode Basic Auth support - Supports auth via opencode serve OPENCODE_SERVER_PASSWORD=<pwd>.
  • Developer Mode - View context sent with each message and clear sessions.
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access your data for all web sites

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
1.0.0
Size
417.63 kB
Last updated
4 days ago (11 May 2026)
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