griffinmartin/opencode-claude-auth
An authentication provider plugin that lets OpenCode reuse existing Claude Code credentials to access Anthropic's API.
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This plugin registers a custom auth handler with OpenCode that intercepts Anthropic API requests. It retrieves OAuth tokens from macOS Keychain or a credentials file, caches them with a 30-second TTL, and automatically handles token refresh via Anthropic’s OAuth endpoint or Claude CLI fallback. The plugin also syncs credentials to OpenCode’s auth.json as a fallback mechanism and supports background re-sync every 5 minutes.
Frequently asked
- What is griffinmartin/opencode-claude-auth?
- An authentication provider plugin that lets OpenCode reuse existing Claude Code credentials to access Anthropic's API.
- Is opencode-claude-auth open source?
- Yes — griffinmartin/opencode-claude-auth is open source, released under the MIT license.
- What language is opencode-claude-auth written in?
- griffinmartin/opencode-claude-auth is primarily written in TypeScript.
- How popular is opencode-claude-auth?
- griffinmartin/opencode-claude-auth has 1.2k stars on GitHub.
- Where can I find opencode-claude-auth?
- griffinmartin/opencode-claude-auth is on GitHub at https://github.com/griffinmartin/opencode-claude-auth.