Anthropic Claude platform knowledge overlay for the ETYB team. Loads when work involves the Anthropic ecosystem — the Claude API (Messages API), Claude Fable / Mythos / Opus / Sonnet / Haiku models, prompt caching, tool use (function calling), extended and adaptive thinking, the Batches API, Files API, Citations, the Memory tool, Computer Use, vision and PDF input, the Claude Agent SDK, the Claude Code CLI / IDE extensions, Skills, sub-agents, the Anthropic SDK (TS/Python/Go/Java/Ruby), MCP (Model Context Protocol) servers and clients, and provider routing across Anthropic API / Amazon Bedrock / Google Vertex AI. Triggers: anthropic, claude, claude-api, anthropic-api, messages-api, fable, claude-fable, claude-fable-5, mythos, claude-mythos, claude-mythos-5, project glasswing, opus, claude-opus, claude-opus-4, claude-opus-4.5, claude-opus-4.6, claude-opus-4.7, claude-opus-4.8, sonnet, claude-sonnet, claude-sonnet-4, claude-sonnet-4.5, claude-sonnet-4.6, claude-sonnet-5, sonnet 5.
$npx -y skills add e-t-y-b/etyb-skills --skill anthropic-claudeInstalls into the current project.
Run `npx skills use "https://github.com/e-t-y-b/etyb-skills" --skill "e-t-y-b/etyb-skills/anthropic-claude"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/e-t-y-b/etyb-skills" that are relevant to the current task. Run `npx skills add "https://github.com/e-t-y-b/etyb-skills"` and select the relevant skills, then follow their instructions.