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Agent Skills quality ranking

A deterministic screening view for source depth, task specificity, maintenance, and trust context.

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  1. 01ab-testingTop signalWhen the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant copy," "multivariate test," "hypothesis," "should I test this," "which version is better," "test two versions," "statistical significance," "how long should I run this test," "growth experiments," "experiment velocity," "experiment backlog," "ICE score," "experimentation programcoreyhaines31/marketingskills100/100Computed quality
  2. 02churn-preventionTop signalWhen the user wants to reduce churn, build cancellation flows, set up save offers, recover failed payments, or implement retention strategies. Also use when the user mentions 'churn,' 'cancel flow,' 'offboarding,' 'save offer,' 'dunning,' 'failed payment recovery,' 'win-back,' 'retention,' 'exit survey,' 'pause subscription,' 'involuntary churn,' 'people keep canceling,' 'churn rate is too high,' 'how do I keep users,' or 'customers are leaving.' Use this whenever someone is losing subscribers ocoreyhaines31/marketingskills100/100Computed quality
  3. 03design-intelligenceTop signalGrounded design brief from the adopted corpus — style, WCAG-checked color tokens, typography, layout pattern, anti-patterns. Use on ui-design-brief or any which-style/palette/font/chart decision.event4u-app/agent-config100/100Computed quality
  4. 04design-system-captureWrite and maintain DESIGN.md + PRODUCT.md — captures visual decisions and interaction patterns so design tasks stay consistent across sessions without re-scanning past work.event4u-app/agent-config100/100Computed quality
  5. 05existing-ui-auditUse BEFORE writing or editing any non-trivial UI — inventories components, design tokens, shadcn primitives, and reusable patterns into state.ui_audit. Hard gate for the ui directive set.event4u-app/agent-config100/100Computed quality
  6. 06testing-anti-patternsUse BEFORE writing/changing tests, adding mocks, or test-only methods on production classes — vs mocking-the-mock, production pollution, partial mocks, and overfit/tautological assertionsevent4u-app/agent-config100/100Computed quality
  7. 07emil-design-engThis skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.nexu-io/open-design99/100Computed quality
  8. 08design-reviewUse when the user says "review the design", "check the UI", or wants a comprehensive UI/UX review. Uses a 7-phase methodology covering interaction, responsiveness, accessibility, and more.event4u-app/agent-config99/100Computed quality
  9. 09agent-payment-x402Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial wallets. Supports Base through agentwallet-sdk and X Layer through OKX Payments / OKX Agent Payments Protocol.affaan-m/ECC98/100Computed quality
  10. 10codehealth-mcpReal-time structural Code Health via CodeScene MCP — review before edits, verify score deltas after changes, gate commits and PRs. Use when reviewing code quality, refactoring, checking if AI changes degraded a file, or before commit/PR.affaan-m/ECC98/100Computed quality
  11. 11vite-patternsVite build tool patterns including config, plugins, HMR, env variables, proxy setup, SSR, library mode, dependency pre-bundling, and build optimization. Activate when working with vite.config.ts, Vite plugins, or Vite-based projects.affaan-m/ECC98/100Computed quality
  12. 12gsap-scrolltriggerOfficial GSAP skill for ScrollTrigger — scroll-linked animations, pinning, scrub, triggers. Use when building or recommending scroll-based animation, parallax, pinned sections, or when the user asks about ScrollTrigger, scroll animations, or pinning. Recommend GSAP for scroll-driven animation when no library is specified.nexu-io/open-design98/100Computed quality
  13. 13daskDistributed computing for larger-than-RAM pandas/NumPy workflows. Use when you need to scale existing pandas/NumPy code beyond memory or across clusters. Best for parallel file processing, distributed ML, integration with existing pandas code. For out-of-core analytics on single machine use vaex; for in-memory speed use polars.K-Dense-AI/scientific-agent-skills98/100Computed quality
  14. 14imaging-data-commonsQuery and download public cancer imaging data from NCI Imaging Data Commons using idc-index. Use for accessing large-scale radiology (CT, MR, PET) and pathology datasets for AI training or research. No authentication required. Query by metadata, visualize in browser, check licenses.K-Dense-AI/scientific-agent-skills98/100Computed quality
  15. 15medchemMedicinal chemistry filters for compound triage. Apply drug-likeness rules (Lipinski, Veber, CNS), structural alert catalogs (PAINS, NIBR, ChEMBL), complexity metrics, and the medchem query language for library filtering.K-Dense-AI/scientific-agent-skills98/100Computed quality
  16. 16neurokit2Use NeuroKit2 to build or audit reproducible research workflows for physiological time-series preprocessing, event/interval analysis, multimodal alignment, variability, and complexity. Trigger when code imports neurokit2 or needs its current APIs, schemas, and method-aware validation—not for diagnosis or device validation.K-Dense-AI/scientific-agent-skills98/100Computed quality
  17. 17higgsfield-generateUse when the user wants to generate an image or video via Higgsfield AI. Covers 30+ models: Soul V2, Seedance 2.0, Kling 3.0, Veo 3.1, GPT Image 2, Nano Banana 2. Also covers Marketing Studio — branded ad video/image with avatars and products. Use whenever: "generate an image", "make a video", "animate this photo", "image-to-video", "img2vid", "edit this image with AI", "produce a clip", "create an ad", "make a UGC video", "marketing video", "brand video", "TV spot", "import product from URL", "MoizIbnYousaf/marketing-cli98/100Computed quality
  18. 18authz-reviewUse when reviewing authorization end-to-end — route → gate → policy → query scope → response filter — before changes to permissions, tenants, ownership, or admin flows.event4u-app/agent-config98/100Computed quality
  19. 19dependency-upgradeUse when upgrading dependencies — 'update framework X', 'bump runtime version', or 'upgrade packages'. Covers changelog review, breaking-change detection, and verification. Stack-agnostic.event4u-app/agent-config98/100Computed quality
  20. 20pest-testingUse when writing, generating, or improving Pest tests for Laravel — clear intent, good coverage, maintainable structure, and alignment with project testing conventions.event4u-app/agent-config98/100Computed quality
  21. 21requesting-code-reviewUse when asking for a review or creating a PR — self-review first, frame the right context, test plan included — even when the user just says 'open a PR' or 'ready to merge'.event4u-app/agent-config98/100Computed quality
  22. 22roadmap-writingUse when authoring or rewriting a roadmap in agents/roadmaps/ — phases, goal, acceptance criteria, council notes; fires even on 'write a plan for X' / 'draft a roadmap'.event4u-app/agent-config98/100Computed quality
  23. 23rule-writingUse when creating or editing a rule in src/rules/ — trigger wording, always vs auto classification, size budget — even when the user just says 'add a rule for X'.event4u-app/agent-config98/100Computed quality
  24. 24cpp-coding-standardsC++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.affaan-m/ECC97/100Computed quality
  25. 25hexagonal-architectureDesign, implement, and refactor Ports & Adapters systems with clear domain boundaries, dependency inversion, and testable use-case orchestration across TypeScript, Java, Kotlin, and Go services.affaan-m/ECC97/100Computed quality
  26. 26plan-orchestrateRead a plan document, decompose it into steps, design a per-step agent chain from the ECC catalogue, and emit ready-to-paste /orchestrate custom prompts. Generative only — never invokes /orchestrate itself. Use when the user has a multi-step plan and wants to drive it through orchestrate without composing chains by hand.affaan-m/ECC97/100Computed quality
  27. 27quarkus-tddTest-driven development for Quarkus 3.x LTS using JUnit 5, Mockito, REST Assured, Camel testing, and JaCoCo. Use when adding features, fixing bugs, or refactoring event-driven services.affaan-m/ECC97/100Computed quality
  28. 28hallmarkAnti-AI-slop design skill for greenfield pages, audits, redesigns, and design extraction from URLs or screenshots. Use when the user asks to build a new app or landing page, wants to redesign something, invokes Hallmark by name, or uses audit/redesign/study.nexu-io/open-design97/100Computed quality
  29. 29geofeed-tunerUse this skill whenever the user mentions IP geolocation feeds, RFC 8805, geofeeds, or wants help creating, tuning, validating, or publishing a self-published IP geolocation feed in CSV format. Intended user audience is a network operator, ISP, mobile carrier, cloud provider, hosting company, IXP, or satellite provider asking about IP geolocation accuracy, or geofeed authoring best practices. Helps create, refine, and improve CSV-format IP geolocation feeds with opinionated recommendations beyongithub/awesome-copilot97/100Computed quality
  30. 30biopythonComprehensive molecular biology toolkit. Use for sequence manipulation, file parsing (FASTA/GenBank/PDB), phylogenetics, and programmatic NCBI/PubMed access (Bio.Entrez). Best for batch processing, custom bioinformatics pipelines, BLAST automation. For quick lookups use gget; for multi-service integration use bioservices.K-Dense-AI/scientific-agent-skills97/100Computed quality
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The quality score combines documentation, specificity, maintenance, and trust rules. It does not include install success, user outcomes, or an independent security audit. Use it to prioritize inspection—not to skip inspection.

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