Claude
The Claude developer ecosystem: an agentic coding tool, a skill system for teaching repeatable workflows, SDKs for building custom agents, and a family of models with up to 1M token context.
Where to Start
| If you want to… | Start with |
|---|---|
| Use Claude Code effectively | Claude Code concept then quickstart |
| Build a skill | Skills concept then first skill |
| Build a custom agent | Agent SDK concept then quickstart |
| Understand the models | Models overview |
| Go deep on API features | API deep dive |
Contents
- Concepts - How each part of the ecosystem works
- Claude Code - Agentic coding tool, permissions, project conventions
- Skills - Instruction-packaging system for repeatable workflows
- Agent SDK - Claude Code’s engine as a programmable library
- Models - Opus 4.6, Sonnet 4.6, Haiku 4.5 comparison
- Quickstart - Get hands-on
- Claude Code - Install, configure, first project
- First Skill - Build a meeting notes skill in 15 minutes
- Agent SDK - Build a file-processing agent
- Deep Dives - Advanced patterns
- Claude Code Features - Checkpoints, hooks, subagents, agent teams
- Skill Patterns - Five patterns, testing, distribution
- API - Context compaction, advanced tool use, computer use
- MCP Ecosystem - AAIF governance, spec evolution, enterprise readiness
- Notes - Personal skill inventory and patterns
- Inventory - Existing skills catalog with cross-cutting patterns
Resources
- Claude Code docs
- Claude Agent SDK docs
- Anthropic Skills Guide
- anthropics/skills - Official skill examples
- MCP spec