Agent skills for Claude Code

When to activate: Flutter state management, setState, ValueNotifier, ChangeNotifier, BLoC, Riverpod, Provider, state comparison

When to activate: Go tests, table-driven tests, testify, mocks, subtests, benchmarks, fuzz testing, test helpers

When to activate: KPI, metrics, OKR, dashboard, leading indicator, lagging indicator, measurement framework, performance tracking, north…

When to activate: north star metric, NSM, input metrics, leading indicators, metric tree, metric framework, product health metric, vanity…

When to activate: React 19, hooks, RSC, Server Components, Context, portals, error boundaries, performance optimization

When to activate: responsive design, mobile-first, breakpoints, fluid typography, container queries, viewport units, clamp

When to activate: risk register, risk matrix, risk mitigation, business continuity, enterprise risk management, operational risk, risk…

When to activate: roadmap, product roadmap, planning, Now Next Later, theme-based roadmap, outcome roadmap, prioritization, quarterly…

When to activate: social media strategy, Twitter X LinkedIn Instagram TikTok content, posting cadence, community building, social…

When to activate: Zustand, Jotai, XState, TanStack Query, URL state, Redux, state management, client state, server state

When to activate: async/await, actors, tasks, structured concurrency, MainActor, async sequences in Swift

When to activate: weekly review, GTD review, horizon planning, weekly planning, end of week, Friday review, weekly reset

Deep briefing on one matter — current posture, what's changed, next deadline, open questions, and a risk re-assessment check, ready before…

Close a matter — capture outcome, final exposure, and lessons, then archive it out of the active portfolio without deleting the record.

Use when configuring Maven plugins, setting up common plugins like compiler, surefire, jar, or creating custom plugin executions.

Explain research, papers, or technical ideas in plain English with minimal jargon, concrete analogies, and clear takeaways.

Worktrunk release workflow. Use when user asks to "do a release", "release a new version", "cut a release", or wants to publish a new…

Cleans up and improves existing code without changing behavior.

Download videos, audio, or subtitles from YouTube, Bilibili, and other sites using yt-dlp.

MaxQuant mass spectrometry skill for protein identification and quantification

Capture a URL into the notes vault — route it to the right fetcher and note-writer for that source.