AI Skills
Usable Skills and open-source skill projects, in one list.
A usable Skill is reviewed and pinned to one version. A listing points to a project on GitHub. Choose a task guide
Category
46 results
Results
API and payload contract documentation
Document an existing machine interface with endpoint indexes, payload shapes, semantics, errors and omitted-versus-null behaviour.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Evidence-based code review
Review code for actionable defects by tracing agreements across boundaries, constructing a feasible failure and checking the strongest counterargument.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Acceptance test scenarios
Expand a user story into test objectives, starting conditions, roles, actions and observable expected results, including invalid input and boundary cases.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Light and dark theme planning
Choose light, dark or combined themes based on the product's context, then define surfaces, text and semantic colours for each mode.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Responsive layouts and navigation
Plan how navigation, sidebars, content order and controls adapt to phones, tablets and desktops.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Form labels and validation design
Review or design form labels, helper text, validation timing and submit states, with HTML examples for field grouping and accessible error associations.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Product naming ideas
Draft five product or feature name candidates with explanations of audience fit, brand tone and memorability. Useful for an early naming discussion.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
User-facing release notes
Turn supplied tickets or a changelog into an update readers can act on, grouped into features, improvements, fixes and breaking changes.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Grammar, logic and flow review
Find grammar problems, unclear reasoning and awkward transitions in a draft, with each suggestion tied to a location and a reason.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Business SWOT worksheet
Organize a product or business brief into strengths, weaknesses, opportunities and threats, then connect the four groups to proposed actions.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Fictional spreadsheet sample data
Create made-up rows with specified columns, types and business constraints for a spreadsheet demo or training exercise.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Meeting summary and action items
Turn an existing meeting transcript into minutes with decisions, owners, deadlines and open questions.
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-10-13License: MIT
Intended vs. implemented audit
A method for checking code against its own documentation: treat each documented rule as a claim, find the code that enforces it, and report only the gaps that…
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-09-24License: MIT
Button and interactive states
Design guidance for giving every clickable element six visual states (rest, hover, pressed, keyboard focus, disabled and loading), with state colours derived…
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-09-24License: MIT
Leakage-safe data cleaning
A step-by-step method for turning a raw table into a model-ready one: remove duplicates, fix types, standardise categories, handle missing values…
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-09-24License: MIT
Technical writing house style
A house style for technical documents such as specs, design docs, READMEs and reports: state the conclusion first, trace every claim to a source, keep each…
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-09-24License: MIT
Simplified Technical English rewrite
Rewrites or audits English text with rules drawn from the ASD-STE100 aerospace writing standard: short sentences, one meaning per word, active voice and no…
Recorded tool support: Claude, Codex
Usable SkillUpdated 2026-09-24License: MIT
UI UX Pro Max Skill
A UI and UX design skill backed by searchable reference data: interface styles, colour palettes and font pairings matched to product types, UX guidelines…
ListingListed 2026-09-24GitHub stars: 135,341 (as of 2026-10-13)License: MIT
Hallmark
A single design skill for building web interfaces that avoid generic, generated-looking defaults.
ListingListed 2026-09-24GitHub stars: 29,983 (as of 2026-10-13)License: MIT
Personal OS Skills
Seven skills that connect an Obsidian vault with personal tools: syncing meeting notes from a local meeting-notes app cache, importing notebooks…
ListingListed 2026-09-24GitHub stars: 543 (as of 2026-10-13)License: MIT
67 Full-Stack Claude Skills
Sixty-seven role-based development skills across 12 categories: language specialists, backend and frontend frameworks, mobile, APIs and GraphQL, databases…
ListingListed 2026-09-24GitHub stars: 11,849 (as of 2026-10-13)License: MIT
Obsidian Skills
Five skills that teach an agent the open formats and tools of the Obsidian note-taking app: Obsidian Flavored Markdown with wikilinks, embeds, callouts…
ListingListed 2026-09-24GitHub stars: 49,485 (as of 2026-10-13)License: MIT
Superpowers
A software-development method for coding agents, packaged as 14 skills and a starting instruction that tells the agent to check for a relevant skill before…
ListingListed 2026-09-24GitHub stars: 298,428 (as of 2026-10-13)License: MIT
PM Skills
A product-management library of 68 skills in nine plugins, with commands that chain several skills into one workflow: product discovery and assumption…
ListingListed 2026-09-24GitHub stars: 26,949 (as of 2026-10-13)License: MIT