https://docs.z.ai/devpack/tool/claude

tldr

    "env": {
        "ANTHROPIC_AUTH_TOKEN": "your_zai_api_key",
        "ANTHROPIC_BASE_URL": "https://api.z.ai/api/anthropic"
    }

https://github.com/musistudio/claude-code-router

because it allows you to intercept the requests and forward them to other models. (e.g. GLM doesn't seem to support search or images, so I use Gemini's free tier for that.)

(CCR just launches Claude with the base url set to a local proxy. The more adventurous reader can also set up his own proxy... :)