897 curated documentation & writing skills, agents, commands and plugins — from original author repos, ranked by GitHub signal.
obra
Use when you have a spec or requirements for a multi-step task, before touching code
obra
Use when creating new skills, editing existing skills, or verifying skills work before deployment
anthropics
|- Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude, Anthropic, Fable, Opus, Sonnet, Haiku, `anthropic`, `@anthropic-ai`, `claude-*`, `us.anthropic.*`, `[1m]`); the user asks about an LLM (pricing/model choice/limits/caching) — never answ