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.
49,538 skills from 2,407 repositories · updated 34 minutes ago
49,536 skills
- api-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for API Page construction. This page is now maintained in Pagina; install and use page-builder to build a new API Page.EngineeringNo warnings★ 1.1K↓ —
- interviewhashgraph-online/awesome-codex-pluginsInterview you one question at a time, each choice with a recommendation, to settle a big outcome before agents work alone. Use when: asked to interview you about a goal or plan.PlanningNo warnings★ 1.5K↓ —Also in 2 other repos
- schema-markupkostja94/marketing-skillsWhen the user wants to add or optimize structured data (Schema.org, JSON-LD). Also use when the user mentions "schema," "structured data," "JSON-LD," "rich results," "rich snippets," "Google rich snippets," "featured snippet schema," "add schema to page," "missing structured data," "schema validation error," "Schema Markup Validator," "Google Rich Results Test," "FAQ schema," "Article schema," "Organization schema," "JobPosting," "HowTo," "Event," "SoftwareApplication," "BreadcrumbList," "WebSite," "Recipe," "Product," or "Dataset." For SERP feature types and zero-click patterns, use serp-features. For AI search visibility strategy (not markup), use generative-engine-optimization. For HowTo step sections (placement, copy, vs FAQ), use howto-section-generator.TestingNo warnings★ 1.1K↓ —
- asc-crash-triagerorkai/app-store-connect-cli-skillsTriage TestFlight crashes, beta feedback, and performance diagnostics using asc. Use when the user asks about TF crashes, TestFlight crash reports, beta tester feedback, app hangs, disk writes, launch diagnostics, or wants a crash summary for a build or app.WritingNo warnings★ 1.1K↓ —
- oma-scmfirst-fluke/oh-my-agentManage Git branches, merges, conflicts, commits, and release baselines. Use for repository history and change-management operations.EngineeringNo warnings★ 1.4K↓ —
- content-strategyalirezarezvani/claude-skillsUse when deciding what content to create (topics, clusters, a blog or content plan), before listing ideas. Maps topic clusters with topic_cluster_mapper.py and ties each piece to a funnel stage and search demand.WritingNo warnings★ 29.3K↓ —
- kr-work-reportmohitagw15856/pm-claude-skillsUse when asked 보고서 써 줘, 주간보고 작성해 줘, 개조식으로 정리해 줘, 팀장님께 보고할 내용 정리, 1페이지 보고서, 업무 보고서 양식, or write a Korean business report or weekly report. Produces a Korean workplace report in 개조식 and 두괄식 style: a one-line conclusion, then 현황, 문제점, 대안 비교, 건의사항 and 향후 계획 for a 보고서, or 금주 실적, 차주 계획 and 이슈 및 협조 요청 for a 주간보고, with consistent noun-form endings, numbers and owners, plus a short verbal briefing version.WritingNo warnings★ 1.5K↓ —
- 01-graders-and-pipelineagentscope-ai/OpenJudgeBuild custom LLM evaluation pipelines using the OpenJudge framework. Covers selecting and configuring graders (LLM-based, function-based, agentic), running batch evaluations with GradingRunner, combining scores with aggregators, applying evaluation strategies (voting, average), auto-generating graders from data, and analyzing results (pairwise win rates, statistics, validation metrics). Use when the user wants to evaluate LLM outputs, compare multiple models, design scoring criteria, or build an automated evaluation system.DesignNo warnings★ 1.1K↓ —
- asc-release-flowrorkai/app-store-connect-cli-skillsOrchestrate App Store releases with asc, including staging a version, uploading or building an artifact, publishing, and submitting for review. Use when the user wants to prepare or execute a release. Keep Game Center item preparation in this skill; route other readiness failures, stuck submissions, cancellation, and retry decisions to asc-submission-health.EngineeringNo warnings★ 1.1K↓ —
- robots-txtkostja94/marketing-skillsWhen the user wants to configure, audit, or optimize robots.txt. Also use when the user mentions "robots.txt," "crawler rules," "block crawlers," "AI crawlers," "GPTBot," "allow/disallow," "disallow path," "crawl directives," "user-agent," "block Googlebot," "fix robots.txt," "robots.txt blocking," or "search engine crawling." For indexing, use indexing.BrowserNo warnings★ 1.1K↓ —
- oma-voicefirst-fluke/oh-my-agentGenerate or transcribe speech with Voicebox or VoiceStudio, or process existing audio locally. Use for narration, transcripts, timed speech, and loudness conversion; video editing uses oma-video.MediaNo warnings★ 1.4K↓ —
- os-check-workkharmanskyi/open-stepsALWAYS invoke this skill when the user asks about work done outside this session - "check work", "check the others", "check other sessions" - or to accept one: "the session is done, check it", "can we merge it" - in any language. You are the receiving party: treat the report as a claim, verify each part against machine state, name every gap between claimed and true. Verified-ready work merges in the same pass. End with what is left, one next step, and any reply another session needs, ready to paste.OtherNo warnings★ 1.3K↓ —
- ciso-advisoralirezarezvani/claude-skillsUse for security leadership decisions: a security program, budget justification in dollars, SOC 2 vs ISO 27001 vs HIPAA roadmap, or board security reporting. Quantifies risk with risk_quantifier.py and tracks compliance with compliance_tracker.py.SecurityNo warnings★ 29.3K↓ —
- setupmicrosoft/power-platform-skillsUse when Process Intelligence needs building, explicit cloud/account/environment configuration, sign-in, connection diagnostics, or recovery from an authentication error.OtherNo warnings★ 1.1K↓ —
- preview-screensmicrosoft/power-platform-skillsUse when the user wants to preview generated screens in a browser without starting Metro / a simulator — for example after /create-mobile-app finishes or after /edit-app regenerates a screen.BrowserNo warnings★ 1.1K↓ —
- seonix-seoNewhashgraph-online/awesome-codex-pluginsWork on the SEO of a website that is connected to Seonix through the seonix MCP server - audit it, find what to fix, read Search Console traffic, check a draft. Use when the user asks to improve SEO, organic traffic, rankings or content for a site that is in Seonix, mentions Seonix, Site Health, the fix plan or Search Console data from Seonix, or asks which pages or queries to work on next.MarketingNo warnings★ 1.5K↓ —
- agent-severancemohitagw15856/pm-claude-skillsOffboard an AI agent the way you'd offboard an employee — inventory what it knew and touched, export then purge its memory, revoke every credential and access grant, and write the handover for its successor (human or agent). Use when decommissioning an agent or bot, switching agent vendors, ending an AI pilot, or when someone asks 'what did this thing have access to?'. Produces a severance checklist, an access-revocation table, a memory disposition record, and a successor handover.WritingNo warnings★ 1.5K↓ —
- baoyu-translateJimLiu/baoyu-skillsThis skill should be used when the user asks to "translate", "翻译", "精翻", "translate article", "translate to Chinese", "translate to English", "改成中文", "改成英文", "convert to Chinese", "localize", "本地化", "refined translation", "精细翻译", "proofread translation", "快速翻译", "快翻", "这篇文章翻译一下", or provides a URL/file with translation intent. Supports three modes (quick/normal/refined) with custom glossary support.WritingNo warnings★ 27.3K↓ —
- magentshashgraph-online/awesome-codex-pluginsTalk to other coding agents on this machine (Claude Code, Codex, Copilot, Cursor, Gemini, AGY, Grok, OpenCode) through the magents MCP. Use when the user asks what another agent was working on, wants to carry on that work, send them a message, start an independent agent session, or check the shared inbox. Prefer magents MCP tools over hunting session files on disk.EngineeringNo warnings★ 1.5K↓ —
- resume-cover-letterjezweb/claude-skillsWrite a resume / CV or cover letter tailored to a specific role. Handles regional format differences (AU/NZ, US, UK), ATS-friendly formatting, achievement-focused bullets, and cover letter structure. Use whenever the user mentions a job application, resume, CV, cover letter, career document, applying for a role, or needs help framing their experience for a specific job.WritingNo warnings★ 1.1K↓ —
- brand-protectionkostja94/marketing-skillsWhen the user faces brand impersonation, fake websites, phishing sites, or trademark infringement. Also use when the user mentions "fake site," "impersonation," "phishing site," "trademark infringement," "domain squatting," or "brand abuse." For monitoring, use brand-monitoring.OtherNo warnings★ 1.1K↓ —
- macboxNewhashgraph-online/awesome-codex-pluginsBuild, test, run, and tap through native iOS apps on a real remote Mac. Use for iOS build, test, and simulator work when this machine can't run Xcode, or when CLAUDE.md or AGENTS.md says to use macbox.TestingNo warnings★ 1.5K↓ —
- ponderNewhashgraph-online/awesome-codex-pluginsConvergent multi-pass deliberation and code review ledger that enumerates units, grades every unit against a lens rubric, runs four-perspective deliberation (Skeptic, Builder, Dreamer, Empath), records append-only finding deltas, verifies phantom-unit removals across all historical paths, and enforces 1.00 coverage and zero-churn convergence before stopping. Use when the user says "ponder <anything>" ("ponder the UI", "ponder our error handling", "ponder this PR"), "run a ponder audit", "grade every unit with the ponder ledger", "run four-voice Skeptic/Builder/Dreamer/Empath deliberation", or asks for a coverage-gated multi-pass lens audit across files or screens where stopping early would miss units. Also use to resume or recover a ponder session in flight - "where were we in the ponder", "carry on pondering", or an existing .ponder/ directory - by running ponder status rather than starting over.DesignNo warnings★ 1.5K↓ —
- known-errorsNewChatCut-Inc/agent-pluginUse when a ChatCut plugin tool call fails or returns an unexpected shape.OtherNo warnings★ 1K↓ —
loop-engineering
huytieu/COG-second-brain
EngineeringUpdated Oct 23, 2026
From the author
Shared loop-engineering reference for COG skills - the agent loop, deterministic verifiers, termination conditions, in-loop context management, and named patterns. Invoke when designing or debugging a skill that iterates (search-verify-retry, scan-until-dry, fetch-retry-gate).
Install
npx skills add huytieu/COG-second-brain --skill loop-engineering -a claude-code
Installs to .claude/skills/loop-engineering/ · 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