Using FishXCode with Codex

Install Codex

pnpm

pnpm install -g @openai/codex

npm

npm install -g @openai/codex

yarn

yarn global add @openai/codex

bunx

bunx --global @openai/codex

Configure Environment Variables

1. Visit https://fishxcode.com/console/token to obtain your API Key
2. Set a system environment variable named FISHXCODE_TOKEN with your obtained key
3. Create ~/.codex/config.toml with this configuration:

model = "gpt-5"
model_provider = "openai-chat-completions"
preferred_auth_method = "apikey"

[model_providers.openai-chat-completions]
name = "OpenAI using Chat Completions"
base_url = "https://fishxcode.com/v1"
env_key = "FISHXCODE_TOKEN"
wire_api = "chat"
query_params = {}
stream_idle_timeout_ms = 300000

4. Create ~/.codex/auth.json:

{
  "OPENAI_API_KEY": "your_api_key_here"
}

Launch Directly

cd my-project
codex

Using Codex in VSCode

1. Install the Codex extension
2. Access settings and switch to JSON configuration mode
3. Add these settings:

{
  "chatgpt.apiBase": "https://fishxcode.com/v1",
  "chatgpt.config": {
    "preferred_auth_method": "api_key",
    "model_provider": "openai-chat-completions"
  }
}

4. Click the Codex icon to begin using it