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How to connect the cheapest API to your coding agent with Grandet

Store a key hidden in your terminal and let Grandet write a backed-up config change to your agent.

  • Money
  • Intermediate
  • 45 minutes
  • From the README
  • Codex
  • Claude Code
  • Gemini CLI

Credentials. You store a provider API key on your machine, so keep it out of chats, screenshots and issue reports.

Remote script. The Skill is installed from a URL, so review what the agent installs before you approve it.

Who it is forA developer who has chosen a cheap API and wants Codex, Claude Code or another listed app set up with it without editing config files by hand.

The problemPointing a coding agent at a new API means editing config files, storing a key safely and checking that the model name and group are right.

The outcomeYour chosen app is configured to use the API, with a backup of the previous file and a check that the key, group and model name work without spending credit.

What you need first

  • An AI agent you already use, such as Codex, Claude Code or Cursor
  • A model name or kind of use (chat, coding, long output) to compare
  • For connecting an API: a grandet.ai sign-up, a top-up and a token created in the group the site names

Steps

  1. Sign up and top up on the site yourself, then create the token in the group Grandet names.
  2. Run one command in your own terminal to store the key; typing is hidden and the key never enters the chat.
  3. Ask your agent to connect the API to your app, and review the exact configuration change it shows you.
  4. Confirm the change so the file is backed up and written, then let the check run.
  5. Say undo if you want the previous setup restored.

Prompt for your agent

Using the Grandet Skill connect program for <app name, for example Codex or Claude Code>, connect the chosen API for <model name>. Show the configuration change before writing, confirm the backup was made, and report the result of the key, group and model name check.

Caveat. Connecting covers only the apps Grandet names, such as Codex, Claude Code, OpenCode and Gemini CLI; other apps get only a field card and documentation link.

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