Ocgo

ocgo

  ocgo is a small Go CLI for using your OpenCode Go subscription from Claude Code or Codex CLI in one command — no manual proxy setup required.

  🤖 Claude Code support.  🧠 Codex CLI support. ⚡ Local compatibility proxy.

Why ocgo?

ocgo is a small Go CLI that lets Claude Code and Codex CLI run against an OpenCode Go subscription. It starts a local compatibility proxy, translates Claude Code's Anthropic Messages API requests when needed, exposes OpenAI-compatible endpoints for Codex, and launches tools with the right configuration.

Use your OpenCode Go subscription from Claude Code or Codex CLI in one command — no manual proxy setup required.

Features

- Save and reuse your OpenCode Go API key.
- List known OpenCode Go model IDs.
- Run Claude Code through OpenCode Go with one command.
- Run Codex CLI through OpenCode Go with one command.
- Map Claude Code or Codex model names to OpenCode Go models when you want transparent model routing.
- Start, stop, and inspect a local proxy server.
- Exposes Anthropic-compatible and OpenAI-compatible local API layers.
- Supports streaming text responses and basic tool-call translation.

Requirements

- Go 1.22 or newer.
- A valid OpenCode Go API key.
- Claude Code or Codex CLI installed and available.

Installation

Install with Homebrew:

Or tap the repository first:

Build from source:

Configuration

Run setup and paste your OpenCode Go API key when prompted:

Or pass the key directly:

Configuration is saved to:

You can also provide the key at runtime with an environment variable:

By default, the local proxy listens on 127.0.0.1:3456.

Usage

List available models

Aliases are also available:

Map tool models to OpenCode Go models

ocgo can route model names used by Claude Code or Codex to OpenCode Go models.…