Anthropic's announcement of Fable 5.1 and Mythos 5.1 — one base model, two guardrail postures.
- official
- models
- announcement
- fable
Anthropic's official courses and certifications for the Claude API, Agent SDK, and Claude Code.
Anthropic Academy is the official learning platform: self-paced courses and certifications covering the Claude API, prompt engineering, the Agent SDK, Claude Code workflows, and MCP integration. Free with an Anthropic account. The canonical starting point when official documentation alone isn't structured enough — material is maintained by Anthropic so it tracks current model behavior.
Charted
Anthropic's announcement of Fable 5.1 and Mythos 5.1 — one base model, two guardrail postures.
Anthropic's canonical essay on agent design — workflows vs agents, and five composable patterns.
HumanLayer's 12 design principles for production-grade LLM agents — the closest thing to a 'best practices' manifesto.