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Claude Code Agent Loop Deep Dive (1): From Tool Declarations to Pre-Execution Approval

This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.

In the opening article , I introduced the five-line skeleton of an agent loop: call the LLM, check for tool_use , execute requested tools, and stop when there is no tool call. This article examines the first question inside every iteration: how does the LLM know which tools it can call, and what st…

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  1. 2026-10-08 11:31 · DEV Community — AI
    Claude Code Agent Loop Deep Dive (1): From Tool Declarations to Pre-Execution Approval

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