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Claude Opus 5.5 tool-use loop handles stop reasons in Python

This article details a Python-based tool-use loop designed for Claude Opus 5.5. It specifically addresses how to correctly manage various stop reasons within the Claude agentic loop, including tool_use, end_turn, max_tokens, pause_turn, and refusal. The implementation aims to provide a robust method for interacting with the Claude model without requiring an API key. AI

IMPACT Provides a practical solution for developers integrating Claude Opus 5.5 into applications by managing complex interaction states.

RANK_REASON The item describes a specific implementation detail for using an existing AI model, rather than a new release or significant industry event.

Read on Medium — Claude tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Opus 5.5 tool-use loop handles stop reasons in Python

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15 / 100
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Tool
The item describes a specific implementation detail for using an existing AI model, rather than a new release or significant industry event.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product, other
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High
Clearly on-topic for AI-industry coverage.
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Breaking (< 6h)
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Full methodology in our editorial standards.

COVERAGE [1]

  1. Medium — Claude tag TIER_1 English(EN) · Megan Hayes ·

    The Claude Agentic Loop: Handling stop_reason Correctly in Python

    <div class="medium-feed-item"><p class="medium-feed-image"><a href="https://medium.com/@megan.hayes_58803/the-claude-agentic-loop-handling-stop-reason-correctly-in-python-2edfe929691e?source=rss------claude-5"><img src="https://cdn-images-1.medium.com/max/1600/1*MXqa8_XMCliKBYpFj…