Third-Party API Claude Desktop: Unlock Cowork & Projects Without Subscription Quota

How to Configure Claude Desktop with a Third-Party API: A Complete Step-by-Step Guide Want to use Claude Desktop’s Cowork, Projects, and Artifacts features while routing all model calls through your own API provider? This guide walks you through every step — from enabling Developer Mode to verifying your connection — so you can cut costs, gain flexibility, and keep full control over which language model powers your desktop workflow. What This Configuration Actually Does (And Why You’d Want It) Core question: What changes after you point Claude Desktop at a third-party API? Once configured, Claude Desktop stops sending model requests …