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Anthropic's official collection of Claude examples and guides for tool use, the Agent SDK, extended thinking, multimodal work, evaluation, and prompting patterns.
Prompts
Reusable prompts, system-prompt archives, and learning resources
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A collection of reusable Markdown Prompt Patterns, strategies, and a Go CLI for building inspectable, customizable AI workflows.
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A Microsoft 365 and Power Platform community collection of copyable prompts, Copilot Studio agent instructions, and GitHub Copilot skills.