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Coding tools

Pick your tool, paste its settings, then check Activity.

Every guide has the same three steps: create a key, add Deference to the tool, then check the request in Activity. For Aider, Roo Code and any tool that takes a custom OpenAI or Anthropic base URL, see Other tools.

To let your agent create and revoke its own keys, connect the MCP server.

Base URLs

  • OpenAI formatMost SDKs and toolshttps://deference.si/v1
  • Anthropic formatClaude Code and the Anthropic SDKhttps://deference.si
Anthropic clients add /v1/messages themselves, so their base URL has no /v1. A doubled or missing /v1 returns 404.

3 requests from a coding tool, across 2 sessions, add $0.50 of free credit.

How free credit works

Writing code instead? See SDKs and clients.