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.
47,966 skills from 2,309 repositories · updated 3 hours ago
47,964 skills
- magazine-posternexu-io/html-anythingSunday-paper 风格, 大字 serif headline + 双栏正文 + 编号 sectionsScienceNo warnings★ 9.3K↓ —
- email-marketingnexu-io/html-anything产品发布邮件, 含 masthead、hero、CTA、规格表, table-fallbackMarketingNo warnings★ 9.3K↓ —Also in 1 other repo
- wireframe-sketchnexu-io/html-anything网格背景 + marker 笔触 + 多 tab + sticky note + scribble 图表ProductivityNo warnings★ 9.3K↓ —
- offensive-netexecSnailSploit/Claude-RedUse this skill whenever the user asks about NetExec (nxc) — a network exploitation and post-exploitation tool for Active Directory environments. Triggers include: any mention of 'nxc', 'netexec', 'crackmapexec' successor questions, AD enumeration, SMB/LDAP/WinRM/MSSQL/SSH/RDP/VNC/WMI/FTP/NFS protocol attacks, password spraying, credential dumping (SAM, NTDS, LSASS, DPAPI), Kerberoasting, ASREPRoasting, lateral movement, BloodHound collection, module usage, or any pentest workflow involving Windows domain environments. This skill covers ALL protocols, ALL modules, and ALL core features of NetExec. Always provide full command examples with correct flags and options.SecurityNo warnings★ 9.9K↓ —
- offensive-active-directorySnailSploit/Claude-RedActive Directory attack methodology for internal network red team engagements. Covers reconnaissance (BloodHound, PowerView, ADExplorer), credential abuse (Kerberoasting, ASREProasting, NTLM relay, LLMNR/NBT-NS poisoning), privilege escalation (ACL abuse, GPO abuse, unconstrained/constrained delegation), lateral movement (Pass-the-Hash, Pass-the-Ticket, Overpass-the-Hash, WMI/WinRM/PsExec), persistence (Golden/Silver/Diamond Tickets, DCSync, DCShadow, AdminSDHolder, Skeleton Key), forest trust attacks, ADCS abuse (ESC1-ESC15), and modern MDI/Defender for Identity evasion. Use when assessing on-prem AD, hybrid AD/Entra ID environments, or ADCS deployments.DevOpsNo warnings★ 9.9K↓ —
- vfx-text-cursornexu-io/html-anything光标拖光 + 彩色像散射线 + 定向光斑, 适合视频片头逐字揭示金句OtherNo warnings★ 9.3K↓ —
- deck-hermes-cybernexu-io/html-anything黑底 + CRT 网格扫描线 + $ 命令行标题 + 薄荷绿大字 + 三档 tagDocumentsNo warnings★ 9.3K↓ —
- frontend-designmvschwarz/openrigCreate distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.DesignNo warnings★ 8.3K↓ —Also in 1 other repo
- sprite-animationnexu-io/html-anything像素美术 + kinetic 字体的解说帧, 纯 CSS 循环, 可录视频MediaNo warnings★ 9.3K↓ —
- offensive-xssSnailSploit/Claude-Redclaude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to shellcode, EDR evasion to exploit development.SecurityNo warnings★ 9.9K↓ —
- offensive-social-engineeringSnailSploit/Claude-RedSocial engineering attack techniques beyond email phishing for authorized red team and physical penetration testing engagements. Covers pretexting methodology (persona creation, authority and urgency psychological triggers, rapport building), vishing (voice phishing via caller ID spoofing, IVR system exploitation, VoIP infrastructure setup with Twilio/Asterisk), smishing (SMS-based phishing, carrier gateway abuse, short code impersonation), physical social engineering (tailgating and piggybacking, RFID badge cloning with Proxmark3, lock picking and bypass, dumpster diving for sensitive documents), USB drop attacks (Rubber Ducky keystroke injection, Bash Bunny multi-vector payloads, O.MG cable covert implants, BadUSB firmware attacks), watering hole attack planning and execution, and OSINT-driven targeting (LinkedIn harvesting, organizational chart reconstruction, employee pattern analysis). Integrates with the Social Engineering Toolkit for attack automation, Proxmark3 for RFID/NFC cloning, USB Rubber Ducky aTestingNo warnings★ 9.9K↓ —
- deck-course-modulenexu-io/html-anything暖纸背景 + Playfair, 左侧学习目标常驻, 含 MCQ 自测页DocumentsNo warnings★ 9.3K↓ —
- social-reddit-cardnexu-io/html-anything拟真 Reddit 帖子卡 + 上下投票 + 评论数, 适合视频叠加 / 故事分享OtherNo warnings★ 9.3K↓ —
- deck-magazine-webnexu-io/html-anything电子杂志 × 电子墨水风, WebGL 流体背景 + 衬线 displayDocumentsNo warnings★ 9.3K↓ —
- deck-graphify-darknexu-io/html-anything深夜渐变 + 漂浮 orbs + SVG 力导向图谱 + JetBrains MonoDocumentsNo warnings★ 9.3K↓ —
- offensive-mitigationsSnailSploit/Claude-Redclaude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to shellcode, EDR evasion to exploit development.SecurityNo warnings★ 9.9K↓ —
- deck-product-launchnexu-io/html-anything暗 hero + 亮内容, 橙→桃 accent, 特性卡 + 定价 + CTADocumentsNo warnings★ 9.3K↓ —
- video-hyperframesnexu-io/html-anythingHyperframes / Remotion 兼容的连续帧动画, 可自动播放MediaNo warnings★ 9.3K↓ —
- offensive-shellcodeSnailSploit/Claude-RedShellcode development reference for offensive security engagements. Use when writing custom x86/x64 shellcode, implementing position-independent code (PIC), building shellcode loaders, evading AV/EDR detection, or converting PE files to shellcode. Covers null byte avoidance, API hashing, encoder/decoder patterns, staged vs stageless payloads, Windows PEB traversal, and cross-platform shellcode techniques.SecurityNo warnings★ 9.9K↓ —
- messaging-the-humanmvschwarz/openrigUse when project policy calls for a human decision or update, a human delivery is pending or failed, or a reply must resume the right work.OtherNo warnings★ 8.3K↓ —Also in 2 other repos
- sound-effectselevenlabs/skillsGenerate sound effects from text descriptions using ElevenLabs. Use when creating sound effects, generating audio textures, producing ambient sounds, cinematic impacts, UI sounds, or any audio that isn't speech. Supports looping, duration control, and prompt influence tuning.OfficialDesignNo warnings★ 520↓ —
- retiring-and-inheriting-a-seatmvschwarz/openrigUse when you are a sitting agent near your context threshold (~85%) and a PLANNED seat transition is due — retire deliberately and hand your seat to a fresh successor primed from a packet, rather than let compaction degrade you. Covers the handover packet, the append-only lineage ledger (one row per tenure), physical-seat continuity, the do-not-over-inherit framing, the optional warm-handoff window, and wake-v0 (consulting a retired predecessor). NOT for unplanned compaction/crash recovery (session-compaction-and-restore / claude-compaction-restore) and NOT the seat-binding primitive mechanics (seat-continuity-and-handover).PlanningNo warnings★ 8.3K↓ —
- firebase-auth-basicsfirebase/agent-skillsGuide for setting up and using Firebase Authentication. Use this skill when the user's app requires user sign-in, user management, or secure data access using auth rules.OfficialOtherNo warnings★ 493↓ —
- baoyu-article-illustratorJimLiu/baoyu-skillsAnalyzes article structure, identifies positions requiring visual aids, generates illustrations with Type × Style × Palette three-dimension approach. Use when user asks to "illustrate article", "add images", "generate images for article", or "为文章配图".MediaNo warnings★ 27.1K↓ —
csharp-developer
Jeffallan/claude-skills
DataUpdated 2 days ago
From the author
Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or controller-based routing, configures database access with Entity Framework Core, implements async patterns and cancellation, structures applications with CQRS via MediatR, and scaffolds Blazor components with state management. Invoke for C#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR.
Install
npx skills add Jeffallan/claude-skills --skill csharp-developer -a claude-code
Installs to .claude/skills/csharp-developer/ · 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 92
Security100
Provenance89
Maintenance100
Licence100
Adoption64
Files (6)
- SKILL.md
- references/aspnet-core.md
- references/blazor.md
- references/entity-framework.md
- references/modern-csharp.md
- references/performance.md