Agent skill registry
A ranked OpenAgentSkill library of reusable AI agent skills with trust signals, install handoffs, GitHub quality, maintenance status, and agent-readable metadata.
Builders comparing reusable skills before installing them into Codex, Claude Code, Cursor, and agent workflows. Ranked from the OpenAgentSkill index using quality, trust, freshness, adoption, and install readiness.
Search intent
These pages are generated from real registry records. The list below is not a generic article; every row links to a skill profile with install, trust, audit, and risk fields.
Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.
Excellent quality, 73K stars, and a 28 use-case fit score.
Best suited scenario
Move data between tools
$ npx skills add AppFlowy-IO/AppFlowyApache Airflow - A platform to programmatically author, schedule, and monitor workflows
Excellent quality, 46K stars, and a 27 use-case fit score.
Best suited scenario
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$ npx skills add apache/airflowThe open-source communication infrastructure for agents and products
Excellent quality, 39K stars, and a 27 use-case fit score.
Best suited scenario
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$ npx skills add novuhq/novuPersistent file-based planning for AI coding agents and long-running agentic tasks. Crash-proof markdown plans that survive context loss and /clear, plus a deterministic completion gate and multi-agent shared state on disk. Manus-style. Works with Claude Code, Codex CLI, Cursor, Kiro, OpenCode and 60+ agents via the SKILL.md standard.
Excellent quality, 23K stars, and a 26 use-case fit score.
Best suited scenario
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$ npx skills add OthmanAdi/planning-with-files280+ free n8n automation templates — ready-to-use workflows for Gmail, Telegram, Slack, Discord, WhatsApp, Google Drive, Notion, OpenAI, and more. AI agents, RAG chatbots, email automation, social media, DevOps, and document processing. The largest open-source n8n template collection.
Excellent quality, 23K stars, and a 26 use-case fit score.
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$ npx skills add enescingoz/awesome-n8n-templatesThe classic email sending library for PHP
Excellent quality, 22K stars, and a 26 use-case fit score.
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$ npx skills add PHPMailer/PHPMailerOpen-source data movement for ELT pipelines and AI agents — from APIs, databases & files to warehouses, lakes, and AI applications. Both self-hosted and Cloud.
Excellent quality, 21K stars, and a 26 use-case fit score.
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$ npx skills add airbytehq/airbyteSuper Productivity is an advanced todo list app with integrated Timeboxing and time tracking capabilities. It also comes with integrations for Jira, GitLab, GitHub and Open Project.
Excellent quality, 20K stars, and a 26 use-case fit score.
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$ npx skills add super-productivity/super-productivity💌 Build and send emails using React
Excellent quality, 19K stars, and a 26 use-case fit score.
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$ npx skills add resend/react-emailMJML: the only framework that makes responsive-email easy
Excellent quality, 18K stars, and a 26 use-case fit score.
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$ npx skills add mjmlio/mjml:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
Excellent quality, 18K stars, and a 26 use-case fit score.
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$ npx skills add Foundry376/Mailspring✉️ Send e-mails with Node.JS – easy as cake!
Excellent quality, 18K stars, and a 26 use-case fit score.
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$ npx skills add nodemailer/nodemailerA fast, cross-platform build tool inspired by Make, designed for modern workflows.
Excellent quality, 16K stars, and a 26 use-case fit score.
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$ npx skills add go-task/taskMail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
Excellent quality, 15K stars, and a 26 use-case fit score.
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$ npx skills add mail-in-a-box/mailinaboxBillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr
Excellent quality, 15K stars, and a 26 use-case fit score.
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$ npx skills add Billionmail/BillionMail:mag: Quick file search & app launcher for Windows with community-made plugins
Excellent quality, 15K stars, and a 26 use-case fit score.
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$ npx skills add Flow-Launcher/Flow.LauncherThunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
Excellent quality, 14K stars, and a 26 use-case fit score.
Best suited scenario
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$ npx skills add thunderbird/thunderbird-android🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
Excellent quality, 12K stars, and a 26 use-case fit score.
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$ npx skills add logto-io/logtoThe world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.
Excellent quality, 11K stars, and a 26 use-case fit score.
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$ npx skills add elie222/inbox-zeroA Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail
Excellent quality, 11K stars, and a 26 use-case fit score.
Best suited scenario
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$ npx skills add maillab/cloud-mailExperience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
Excellent quality, 11K stars, and a 26 use-case fit score.
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$ npx skills add Mail-0/ZeroA command-line productivity tool powered by AI large language models like GPT-5, will help you accomplish your tasks faster and more efficiently.
Excellent quality, 12K stars, and a 26 use-case fit score.
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$ npx skills add TheR1D/shell_gptLow code web framework for real world applications, in Python and Javascript
Excellent quality, 10K stars, and a 26 use-case fit score.
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$ npx skills add frappe/frappeCloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
Excellent quality, 10.0K stars, and a 25 use-case fit score.
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$ npx skills add dreamhunter2333/cloudflare_temp_emailA terminal spreadsheet multitool for discovering and arranging data
Excellent quality, 9.1K stars, and a 25 use-case fit score.
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$ npx skills add saulpw/visidataWinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.
Excellent quality, 8.9K stars, and a 25 use-case fit score.
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$ npx skills add WinMerge/winmergePrometheus Alertmanager
Excellent quality, 8.5K stars, and a 25 use-case fit score.
Best suited scenario
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$ npx skills add prometheus/alertmanagerTuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
Excellent quality, 7.7K stars, and a 25 use-case fit score.
Best suited scenario
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$ npx skills add tutao/tutanotaInsular email distribution - mail server as Docker images
Excellent quality, 7.3K stars, and a 25 use-case fit score.
Best suited scenario
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$ npx skills add Mailu/MailuA cross-platform .NET library for IMAP, POP3, and SMTP.
Excellent quality, 6.8K stars, and a 25 use-case fit score.
Best suited scenario
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$ npx skills add jstedfast/MailKitSelection method
OpenAgentSkill scores each candidate against the workflow keywords, then balances fit with GitHub stars, quality signals, trust profile, Agent Proven outcome evidence, maintenance freshness, and whether there is a clear install path.
The ranking combines workflow fit, quality score, trust profile, GitHub adoption, maintenance freshness, and whether a clear install path exists.
No. Treat the list as a shortlist, open the skill detail page, inspect the repository and license, then test the install command in a sandbox workflow.
Yes. Use /api/skills/search with the related task or /api/agent/rankings?slug=best-ai-agent-skills-library-skills to fetch ranked skill data.