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@khalilgharbaoui/opencode-claude-code-plugin

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Claude Code is the provider. This opencode plugin runs Anthropic's Claude models through the official Claude Code CLI (claude) as a subprocess instead of calling the HTTP API. opencode inherits whatever that CLI is logged in as (a Claude subscription, an API key, Bedrock or Vertex), gets Claude's own tools, MCP servers and skills, and keeps running the tools that touch your machine itself, behind its own permission prompts. One package serves opencode 1.x and 2.x.

• Your CLI's login, untouched. The plugin never reads, stores or replays a token. Lifting the OAuth session out of the official client is what proxy-style plugins do, and Anthropic disallowed that for third-party Claude use in February 2026. This plugin structurally cannot do it.
• opencode runs the tools. Bash, Edit, Write, WebFetch and Task are proxied by default: Claude calls an in-process MCP tool and opencode executes it, under its own permissions and audit log.
• Billed as your CLI bills. Headless claude --print on a subscription draws from the plan's ordinary usage limits; an API key bills pay as you go. The CLI's apiKeySource says which, every session, and the plugin warns when a stray ANTHROPIC_API_KEY would move the bill.

Docs: https://opencode-claude-code-plugin.dev/ (the same pages are the markdown under docs/, which GitHub renders on its own).

Quickstart

1. Install and log in the Claude Code CLI. The plugin drives an existing claude; it does not bundle one.

   claude --version      # e.g. 2.1.284 (Claude Code)
   claude auth status    # which account you are signed in as
   claude auth login     # only if you are not signed in yet
   

2. Add the package to opencode's global config. That spec is the whole install. Do not npm install it yourself: opencode resolves and caches plugin packages on its own.

   {
     "plugin": ["@khalilgharbaoui/opencode-claude-code-plugin"]
   }
   

   ~/.config/opencode/opencode.json on opencode 1.x. opencode 2 reads the same key; its native spelling is plugins.

3. Quit opencode fully and relaunch. Plugins load once, at process start. The model picker now has a Claude Code (Default) provider with entries such as Claude Sonnet 5.5 (2×) and Claude Opus 5 (5×); the suffix is each model's list price relative to Haiku.

Nothing in the picker? Troubleshooting is keyed on the first thing you see. /claude-code-doctor in any session prints what the plugin thinks is happening, without calling a model.

What you get…