Skills.
Give your AI a better way to work.
A skill is a set of written instructions that teaches an AI how to do one job the way it should be done: review a pull request, plan a migration, write the release notes.
Install one here and it travels with your account into Claude, Claude Code, Cursor and every other client you sign in with.
Category: Dev tools
16,902 results · page 455 of 564
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programming-swiftSkillDev tools
Provides the complete content of 'The Swift Programming Language (6.4 beta)' book by Apple. Use this skill when you need to verify Swift syntax, look up language features, understand concurrency, resolve compiler errors, or consult the formal language reference.
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purpose-propertiesSkillDev tools
Derive the binding properties your why/how/what impose on everything below them, so no solution can silently contradict your own product definition. Retrofit entry point for projects that started before v0.120.0; also the re-derive path when why/how/what change and every stance below them goes stale
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react-vitestSkillDev tools
Use when adding or improving tests in a React project that uses Vitest — covers component testing with Testing Library, mocking hooks, and coverage configuration.
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reflexionSkillDev tools
Use for self-correcting implementation. Implements the reflexion loop: implement, validate, self-critique, retry (max 3 iterations).
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Research solutionsSkillDev tools
Compare technical options and choose the best fit for your requirements.
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secret-detectionSkillDev tools
Use when you suspect API keys, tokens, or passwords are hardcoded in source code or committed to git history — scans and guides safe removal without breaking existing integrations.
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service-checkSkillDev tools
Use to evaluate a service or feature against Downe's 15 principles of good services.
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simulate-decodeSkillDev tools
Run a LightStim circuit through the simulation pipeline and extract logical error rates. Use this skill whenever the user asks to simulate a circuit, get LER vs physical error rate, run PyMatching or BPOSD or MWPF decoding, sweep noise parameters, benchmark a code's threshold, plot logical error rat
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spec-finishSkillDev tools
Post-implementation completion workflow for Spec-backed Plans. Use after spec-implement completes to validate, review, create stacked commits, and open a PR via code-pull-request. Triggers only with an active Spec-backed Plan after spec-implement completes, including when the user says "finish", "do
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team-shapeSkillDev tools
Assess team structure against Skelton's Team Topologies. Evaluate cognitive load, interaction modes, and Conway's Law alignment.
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theory-fidelitySkillDev tools
Audit whether the theories/methodologies a project claims to implement are faithfully operationalized — or name-dropped, partially built, distorted, or over-claimed. Source-grounds the load-bearing theories; tags the rest provisional. Run periodically alongside /framework-health.
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translationese-cleaner-viSkillDev tools
Cleans Vietnamese writing style that reads like word-for-word translation from English, covering word order, nominalization, passive voice, business clichés, and grammatically correct but unnatural phrases. Use when a translation or draft carries English-Vietnamese structure; do not use to change st
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usability-checkSkillDev tools
Evaluate user-facing interfaces against Nielsen's 10 Usability Heuristics. Complements /mycelium:service-check (Downe = service-level quality, Nielsen = interface-level quality).
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user-interviewSkillDev tools
Guide for conducting Torres-style story-based interviews with the people whose experience you're researching, with bias mitigation and a JTBD lens.
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user-needs-mapSkillDev tools
Map the needs of the people you're building or exploring for, independently of solutions, using Allen's User Needs Mapping methodology. Identifies underserved needs that feed into the Opportunity Solution Tree.
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verify-component-previewSkillDev tools
Use whenever adding or modifying a web UI element, Svelte component, screen, icon, hover state, focus state, or responsive layout. Enforces bare URL-configured component proof before broader use-case specs.
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wardley-mapSkillDev tools
Create or update a Wardley Map of how any domain delivers value. Maps the needs it serves, the capabilities involved, how each is evolving (genesis to commodity), and strategic plays. Applies to any domain, not only software.
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wiring-contractSkillDev tools
Derive this project's own integration conventions from what the code already does, draft them as a wiring contract, and hold new work to it. Closes the built-but-not-wired gap at L3 (walking skeleton) — a mechanism that ships and is never called reads green in every other check.
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xai-checkSkillDev tools
Explainability (XAI) audit for products containing AI components. Five-stage tier-scaled check: risk classification, stakeholder×question matrix, fidelity audit, system card, recourse path. Honest about what was validated functionally vs what needs user testing.
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<skill-name-kebab-case>SkillDev tools
<One sentence stating what this skill does + when to invoke it. Put the most critical trigger scenario first. End with 2-3 keywords a user would say.>
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anchor-linksSkillDev tools
Load this skill whenever the project contains in-page anchor links, skip links, fragment identifiers, or heading links. Under no circumstances omit accessible anchor-link requirements when such links exist. Ensure every anchor link has meaningful text, a reachable target, and a visible focus indicat
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app-icon-studioSkillDev tools
Apple app icons: create, generate, evaluate, export, install, or debug iOS AppIcon.appiconset and macOS .icns assets for small-size clarity.
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appstore-ads-operatorSkillDev tools
Apple Ads campaigns: inspect and manage separate auth, orgs, ad groups, creatives, keywords, reports, and API calls; approve live mutations first.
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What is a skill?
A skill is plain text, usually a SKILL.md file and the scripts it refers to, written for an AI rather than for a person. It carries the steps, the house rules and the examples a good answer needs, so you stop pasting the same briefing into every new chat.
53,788 of the 54,220 skills listed here can be served through ahel today, and they come from public repositories. Each one has its own page with the instructions themselves on it, so you can read what a skill will tell your AI to do before you install it.
Install one and every AI you use gets it
Installing a skill adds it to your gateway and turns it on in the same step. Claude Code surfaces it as a slash command; any client can read the full instructions with the skill_read tool.
Nothing is copied into a project folder. The instructions are served from your account, so the same skill is there in every AI you connect, and turning it off removes it from all of them at once.