Source: https://docs.claude.com/en/resources/overview

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Home Developer Guide API Reference Model Context Protocol (MCP) Resources Release Notes

Model cards

Claude 3 Model Card
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Detailed documentation of Claude 3 models including latest 3.5 addendum. Claude Sonnet 3.7 System Card
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System card for Claude Sonnet 3.7 with performance and safety details. Claude 4 System Card
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Detailed documentation of Claude 4 models. Claude Opus 4.1 System Card
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Detailed documentation of Claude Opus 4.1. Claude Sonnet 4.5 System Card
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Detailed documentation of Claude Sonnet 4.5. Claude Haiku 4.5 System Card
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Detailed documentation of Claude Haiku 4.5.

Learning resources

Quickstarts
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Deployable applications built with our API. Courses
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Step by step lessons on building with Claude. Cookbook
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Replicable code samples and implementations. Prompt library
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Explore optimized prompts for a breadth of business and personal tasks. Use case guides
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In-depth production guides for building common use cases with Claude. Glossary
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Key terms and concepts for working with Claude and language models.

Resources for AI ingestion

API primer for Claude ingestion
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Concise API guide meant for ingestion by Claude. Claude API Docs Overview
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Concise overview of Claude API documentation, optimized for LLM ingestion. llms.txt
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LLM-optimized documentation index. llms-full.txt
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Complete LLM-optimized documentation.

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Responses are generated using AI and may contain mistakes.