opencode-anythropic-auth

An OpenCode plugin that loads a custom fork of the opencode-anthropic-auth plugin from a user-specified repository.

Installation

Add to your opencode.json:

{
  "plugins": ["opencode-anythropic-auth"]
}

Disabling Default Plugins

By default, OpenCode loads builtin plugins (opencode-anthropic-auth, opencode-copilot-auth) alongside your custom plugins. To use only your custom fork and prevent the builtin from loading:

OPENCODE_DISABLE_DEFAULT_PLUGINS=1 opencode

Or add to your shell profile:

export OPENCODE_DISABLE_DEFAULT_PLUGINS=1

Configuration

Zero-config by default — this plugin ships with a community-verified fork that just works. No configuration needed.

If you want to use a custom fork, create an anythropic.json file in one of these locations:

1. Project root (same directory as opencode.json)
2. OpenCode config directory (~/.config/opencode/)

{
  "repo": "https://github.com/your-username/opencode-anthropic-auth.git",
  "branch": "main"
}

Configuration Options

Option	Type	Community Verified Default	Description
repo	string	anomalyco/opencode-anthropic-auth	Git repository URL
branch	string	master	Branch to checkout
ref	string	70233ba	Specific commit/tag (overrides branch)
forceUpdate	boolean	false	Force re-clone on every load
debug	boolean	false	Enable debug logging to console

All fields are optional. Without a config file, the plugin automatically uses the community-verified version — actively maintained and tested by the community.

How It Works

1. Reads config from anythropic.json (project root → ~/.config/opencode/)
2. Clones/updates the specified repository to ~/.cache/opencode-anythropic-auth/
3. Installs dependencies with bun install
4. Dynamically imports and forwards the plugin exports to OpenCode

Use Cases

• Test custom modifications to the anthropic-auth plugin
• Use a private fork with organization-specific settings
• Pin to a specific version/commit for stability
• Experiment with auth flow changes without publishing

Cache Location

Repositories are cached at:

~/.cache/opencode-anythropic-auth/<repo-name>/

To clear cache, delete this directory or set "forceUpdate": true.

License

MIT