Cookbook
Step-by-step guides to build a chat app with PleumRouter and connect coding agents such as Claude Code, Codex and OpenCode.
A collection of step-by-step guides you can copy and follow. Start with the chat app tutorial if you are new, or pick a tool below to connect a coding agent.
Every coding agent here is a third-party tool.
Get started#
Coding agents#
- Claude CodeAnthropic's terminal coding agent. `ANTHROPIC_BASE_URL` and model mapping.
- Claude DesktopThe Claude desktop app's third-party inference (Gateway) form.
- Codex CLIOpenAI's terminal coding agent. `config.toml` and the Responses API.
- Codex DesktopThe Codex desktop app. The user-level `config.toml` and restarting the app.
- OpenCodeThe open-source terminal coding agent. The `opencode.json` provider block.
- Antigravity CLIGoogle's terminal coding agent `agy`. The Gemini-compatible endpoint.
- Connect a Coding AgentShared environment variables and GUI tool settings for OpenAI-compatible tools.