Anthropic's announcement of Fable 5.1 and Mythos 5.1 — one base model, two guardrail postures.
- official
- models
- announcement
- fable
Building MCP Servers (TypeScript)
Official walk-through for writing an MCP server in TypeScript.
Official walk-through for building an MCP server with the official SDK — now a unified tutorial covering both TypeScript and Python editions. The shortest path from 'what is MCP' to a working server Claude can call.
Charted
Related on the map
Anthropic's canonical essay on agent design — workflows vs agents, and five composable patterns.
- official
- agents
- engineering
- patterns
12-Factor Agents
GuideHumanLayer's 12 design principles for production-grade LLM agents — the closest thing to a 'best practices' manifesto.
- agents
- best-practices
- production
- principles