A very large plain-markdown Agent Skills collection (1,000+ skills) for Claude, ChatGPT, Gemini, Cursor and Codex, listed in Anthropic's official plugin directory.
Skills
Reusable capabilities, structured prompts and skill packages.
6 results
An ontology layer for product teams — a gated PRD, typed IDs and a markdown knowledge graph, plus Claude Code skills and hooks so agents 'remember' product context.
A toolkit and normative Standard for building, grading and scaling cross-agent skill libraries to a tiered Bronze / Silver / Gold quality bar.
A curated library of 68 plug-and-play product management skills for AI agents, covering the full product lifecycle across the Triple Diamond framework.
Composable writing instructions for AI agents organized along four orthogonal axes — Voice, Tone, Style and Format. Early / experimental.
Rubric-cited critique skills that emit machine-parseable findings instead of freeform opinion, each citing a permanent criterion ID per finding.