Claude

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Inside Claude Code Skills: Structure, prompts, invocation

Under the hood of Claude Code skills: folder layout, tool definition, and runtime flow.

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Inside Claude Code's Web Tools: WebFetch vs WebSearch

How Claude Code uses web tools under the hood: schemas, prompts, execution, and design trade-offs

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Claude Code 2.0 System Prompt Changes

Analyzing the system prompt changes between Claude Code 1.x and 2.0, powered by Sonnet 4.5

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