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JSON vs Programmatic Tool Calling with Claude

This story is from 2026-09-11. It is preserved in the archive; the latest stories are on the live feed.

When building an application with the Claude API, connecting tools is the first step toward a functional agent. The model can call functions, query databases, send messages. But how you wire those tools drastically changes performance, cost, and code complexity. In 2026, the Claude API offers three…

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  1. 2026-09-11 16:54 · DEV Community — AI
    JSON vs Programmatic Tool Calling with Claude

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