Agent skills you can check before you install
Public SKILL.md skills from GitHub repositories with 50+ stars and from the vendors themselves, scanned and scored. Install any of them with one command in Claude Code, Cursor, Codex, GitHub Copilot or Gemini CLI.
49,495 skills from 2,391 repositories · updated 19 minutes ago
48,455 skills
- claude-authenticityagentscope-ai/OpenJudgeDetect whether an API endpoint is backed by genuine Claude (not a wrapper, proxy, or impersonator) using 9 weighted rule-based checks that mirror the claude-verify project. Also extracts injected system prompts from providers that override Claude's identity. Fully self-contained — copy the code below and run, no extra packages beyond httpx. Use when the user wants to verify a Claude API key or endpoint, check if a third-party Claude service is authentic, audit API providers for Claude authenticity, test multiple models in parallel, or discover what system prompt a provider has injected.TestingNo warnings★ 1K↓ —
- acl-submissionbrycewang-stanford/Awesome-Journal-SkillsUse when auditing an ACL submission before an ACL Rolling Review cycle deadline, covering long/short paper page budgets, the mandatory Limitations section, Responsible NLP checklist, anonymized PDFs and supplements, preprint declarations, dual-submission rules, resubmission linking, and ARR desk-reject triggers on OpenReview.ScienceNo warnings★ 1.4K↓ —
- donor-updatemohitagw15856/pm-claude-skillsWrite a warm donor update or stewardship message that makes a supporter feel their gift mattered. Use when asked to write a donor update, a thank-you/stewardship email, a supporter newsletter, or a gift acknowledgement. Produces a donor-centred update — sincere thanks, the specific impact of their support, a brief story, and a light, optional next step — that strengthens the relationship and sets up the next gift.MarketingNo warnings★ 1.5K↓ —
- design-routerhashgraph-online/awesome-codex-pluginsUse when the user asks to build, design, mock up, scaffold, audit, translate, or improve any interface, flow, screen, page, component, app, UX, onboarding, checkout, dashboard workflow, product flow, design system, asset plan, motion plan, or non-generic UI and the target platform or flow is ambiguous. Routes to ux-design, web, Windows, Apple, Android, cross-platform, design-token, originality, asset/reference, and platform skills. SKIP when the request explicitly names one platform and no UX flow work is implied.DesignNo warnings★ 1.5K↓ —
- api-docs-writermohitagw15856/pm-claude-skillsWrite clear, developer-facing API documentation. Use when asked to document an API endpoint, write API reference docs, create a developer guide, or turn a raw spec/Postman collection into documentation. Produces endpoint documentation with descriptions, parameters, request/response examples, and error codes.WritingNo warnings★ 1.5K↓ —
- article-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Article Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Article Page.WritingNo warnings★ 1.1K↓ —
- onboardinghuytieu/COG-second-brainPersonalize COG for your workflow - creates profile, interests, and watchlist files with guided setup (run this first!)ProductivityNo warnings★ 1.3K↓ —Also in 1 other repo
- backup-strategymohitagw15856/pm-claude-skillsSet up a backup system that actually protects your photos, files, and devices — built on the 3-2-1 rule and, crucially, tested so it works when you need it. Use when asked how to back up my data, set up backups, protect my photos/files, or what's a good backup strategy. Produces a 3-2-1 plan tailored to your devices and data, specific what-to-back-up priorities, an automation setup so it happens without you, a restore-test step, and protection against the failure that ruins backups (ransomware/sync-deletes reaching the backup).TestingNo warnings★ 1.5K↓ —
- error-decodermohitagw15856/pm-claude-skillsDecode an error message or stack trace into a plain-English cause, the exact fix, and how to prevent it. Use when asked to explain an error, debug a stack trace, figure out why code is throwing, or make sense of a cryptic exception. Produces a structured diagnosis: what the error means, the most likely cause, a concrete fix with code, and a prevention tip.EngineeringNo warnings★ 1.5K↓ —
- url-dumphuytieu/COG-second-brainQuick capture URLs with automatic content extraction, insights, and categorization into knowledge bookletsOtherNo warnings★ 1.3K↓ —Also in 1 other repo
- careers-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Careers Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Careers Page.OtherNo warnings★ 1.1K↓ —
- xml-sitemapkostja94/marketing-skillsWhen the user wants to create, audit, or optimize sitemap.xml. Also use when the user mentions "sitemap," "sitemap.xml," "sitemap index," "lastmod," "changefreq," "priority," "URL discovery," "URL discovery for search engines," "single source of truth," "URL config," "unify sitemap IndexNow," or "reduce duplicate maintenance." For IndexNow, use indexnow.OtherNo warnings★ 1.1K↓ —
- evidence-lockmohitagw15856/pm-claude-skillsWrite or rewrite a document in evidence-locked mode: no unsourced sentences — every substantive claim carries a footnote citing the exact passage in the user's provided sources, and anything unsupportable is explicitly marked. Use when asked to make a document fully sourced, add citations from my docs, ground a draft in the attached material, or produce something for audiences that will check (legal, board, regulators, enterprise buyers). Produces the document with numbered citations, a source map quoting each cited passage, and an unsupported-claims register.LegalNo warnings★ 1.5K↓ —
- public-relationskostja94/marketing-skillsWhen the user wants to plan PR, write a press release, or manage media relations. Also use when the user mentions "public relations," "PR," "press release," "media relations," "news release," "journalist," "media coverage," "product announcement," or "earned media." For on-site "As Seen In" or logos page, use press-coverage-page-generator.WritingNo warnings★ 1.1K↓ —
- data-contractmohitagw15856/pm-claude-skillsDefine a data contract between a producer and consumers of a dataset/event/API. Use when asked to write a data contract, define a schema agreement, set data SLAs, or stop a producer from silently breaking downstream consumers. Produces a contract — schema with types & constraints, semantics, quality SLAs (freshness/completeness/validity), ownership, versioning & breaking-change policy, and a change process.LegalNo warnings★ 1.5K↓ —
- ui-designhashgraph-online/awesome-codex-pluginsDesign, build, or improve web and mobile interfaces using real product examples from UIZZE’s 800,000+ web and iOS screens. Use for UI design, UX design, frontend or web design, mobile app UI, responsive layouts, design systems, redesigns, visual polish, interface critique, and requests like “make this UI better.”DesignNo warnings★ 1.5K↓ —Also in 1 other repo
- scouthuytieu/COG-second-brainEvaluate URLs and tools — check vault coverage, assess relevance, recommend save or skipOtherNo warnings★ 1.3K↓ —Also in 1 other repo
- minutes-ingestsilverstein/minutesExtract facts from meetings and update your knowledge base — person profiles, chronological log, and index. Use when the user asks "ingest my meetings", "update my knowledge base", "extract facts from meetings", "sync meetings to wiki", "backfill knowledge", or wants their PARA/Obsidian/wiki profiles updated from conversation data.ProductivityNo warnings★ 1.6K↓ —Also in 1 other repo
- verify-product-imagegooseworks-ai/goose-skillsQC gate for a generated static ad image — verify the file opens, matches the requested dimensions, shows the correct product/subject (right shape, colour, label, logo), and has no garbled text or severe artifacts. Records pass/fail/needs-human in verification.md. Used as the final check in the static ad remix flow before shipping.MediaNo warnings★ 1.3K↓ —
- cloudbase-code-reviewTencentCloudBase/CloudBase-AI-ToolkitCode review and validation for CloudBase projects. After writing code for Web / miniprogram / CloudRun / cloud-function projects, call this skill to check for known pitfalls — auth guard misuse, missing database tables, RLS misconfiguration, storage domain setup, and SDK API misuse. Supports automated lint scripts (regex-based) + LLM semantic review.EngineeringNo warnings★ 1.2K↓ —Also in 5 other repos
- site-architecturefcakyon/claude-codex-settingsUse when planning or restructuring what pages a site has and how they connect: hierarchy, navigation, URL patterns, breadcrumbs, and internal linking. Not for XML sitemaps, which are in seo-audit.PlanningNo warnings★ 1.2K↓ —
- pmf-strategykostja94/marketing-skillsWhen the user wants to validate product-market fit, measure PMF, or plan before scaling. Also use when the user mentions "PMF," "product-market fit," "product market fit," "Sean Ellis test," "very disappointed," "vitamin vs painkiller," "PMF validation," "premature scaling," or "validate before scale." For GTM after validation, use gtm-strategy.TestingNo warnings★ 1.1K↓ —
- book-drafthashgraph-online/awesome-codex-pluginsPhase 3: Drafting. Voice lock on a sample chapter, then sequential full-context chapter drafting with draft-critique-revise, bible ledger updates, and periodic continuity checks.ProductivityNo warnings★ 1.5K↓ —
- saying-nomohitagw15856/pm-claude-skillsDecline a request, push back on scope, or protect priorities without burning the relationship. Use when asked how to say no, turn down a request, push back on your boss/stakeholder, decline extra work, or protect the roadmap from a pet feature. Produces a graceful, firm response — the no, the honest why, an alternative or trade-off, and the exact wording, tuned to who's asking.PlanningNo warnings★ 1.5K↓ —
weekly-checkin
huytieu/COG-second-brain
EngineeringUpdated Oct 23, 2026
From the author
Cross-domain pattern analysis and strategic reflection for weekly review
Install
npx skills add huytieu/COG-second-brain --skill weekly-checkin -a claude-code
Installs to .claude/skills/weekly-checkin/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
What it can touch
Instructions onlyNo network use seenLicence: MIT
Safety checks on SKILL.md
No warnings.
Why 88
Security100
Provenance77
Maintenance100
Licence100
Adoption50
Files (1)
- SKILL.md