Use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions always. Upgraded with AC-first workflow, pre-flight fast-fail, and structured Judge verdicts (inspired by opslane/verify).
Guide for creating Claude Code skills following Anthropic's official best practices. Use when user wants to create a new skill, build a skill, write SKILL.md, or needs skill creation guidelines. Provides structure, naming conventions, description writing, and quality checklist.
Pattern for progressively refining context retrieval to solve the subagent context problem
Fast iteration with two-stage review (spec compliance, then code quality)
Multi-agent coordination SOP derived from Anthropic's internal coordinator architecture. Use when orchestrating parallel workers, dispatching subagents, planning multi-step implementations, or when tasks require research→synthesis→implementation→verification workflow. Triggers: 'coordinate', 'dispatch workers', 'parallel agents', 'multi-agent', 'fan out', 'orchestrate'.
Use to run multiple subagents concurrently on independent tasks
Cross-platform content distribution and growth strategy for DYA app across 10+ platforms (Xiaohongshu, Douyin, TikTok, Instagram Reels, X/Twitter, Reddit, Weibo, Bilibili, WeChat Video). Use when planning social media posts, distributing video content, optimizing for platform algorithms, writing platform-specific copy, scheduling content releases, analyzing engagement data, deciding posting strategy, or maximizing organic reach. Also use when creating video ads that need multi-platform distribution, or when discussing growth/marketing/推广/发帖/推流/算法/涨粉 topics.
2-stage pipeline: trace (causal investigation) -> deep-interview (requirements crystallization) with 3-point injection