griffinmartin/opencode-claude-auth

Health v2 · maintenance only

Flags: young

Adoption not part of the score

1239 stars · 168 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

An OpenCode plugin that authenticates Anthropic API requests using existing Claude Code OAuth credentials, eliminating the need for a separate login or API key. It reads tokens from the macOS Keychain or credentials files, caches them, and refreshes them automatically in the background.

Use cases

• reuse my claude code subscription credentials in opencode
• avoid managing a separate anthropic api key
• automatically refresh expiring claude oauth tokens
• switch between multiple claude code accounts in opencode
• set up opencode auth without logging in again

When to choose

• you already use Claude Code and want OpenCode to share its credentials
• you want zero-config Anthropic auth in OpenCode with automatic token refresh
• you manage multiple Claude Code accounts on macOS

When to avoid

• you don't have Claude Code installed and authenticated
• you prefer explicit API key authentication
• you use an OpenCode setup incompatible with npm plugins

Facets

plugin · maturity active

auth plugin-system http-client developer-tools large-language-models security windows cli opencode claude-code oauth anthropic credential-reuse token-refresh keychain nodejs macos linux

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