Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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beads
Track complex, multi-session work with dependency graphs using beads issue tracker. Use when work spans multiple sessions, has complex dependencies, or requires persistent context across compaction cycles. For simple single-session linear tasks, TodoWrite remains appropriate.
arisng/github-copilot-fc 2
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cap
Comprehensive guidance for implementing distributed transactions and event bus patterns using DotNetCore.CAP library. Use when working with CAP for microservices event-driven architecture, message publishing/subscribing, outbox pattern implementation, and integration with message queues like RabbitMQ, Kafka, Azure Service Bus, and databases like SQL Server, PostgreSQL, MongoDB.
arisng/github-copilot-fc 2
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ralph-knowledge-merge-and-promotion
Ralph-v2 knowledge extraction, staging, merge, and promotion reference. Use when running Librarian EXTRACT, STAGE, or PROMOTE modes, applying merge rules, writing extracted frontmatter, or promoting staged knowledge into `.docs`.
arisng/github-copilot-fc 2
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mssql-cli
Query SQL Server databases from the command line using mssql-cli (or sqlcmd). Use when the user provides a SQL Server connection string and needs to execute queries, explore schema, or run batch SQL scripts against the database. Handles connection string parsing (ADO.NET, ODBC, Azure SQL formats) into CLI flags, query execution, and result capture.
arisng/github-copilot-fc 2
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vscode-terminal-autoapprove
Guidance on configuring VS Code's terminal auto-approve settings for commands with dynamic arguments.
arisng/github-copilot-fc 2
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playwright-cli-archived
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
arisng/github-copilot-fc 2
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instruction-creator
Create and manage high-quality custom instruction files for GitHub Copilot. Use when you need to define new project-specific guidelines, workflows, or coding standards in the instructions/ directory.
arisng/github-copilot-fc 2
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playwright-cli
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
arisng/github-copilot-fc 2
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blazor-ag-ui-agent-framework
Build Blazor-native agent user interfaces using AG-UI protocol with Microsoft Agent Framework (MAF) and ASP.NET Core. Use when implementing the 7 AG-UI protocol features (agentic chat, backend tools, human-in-the-loop approvals, generative UI - async tools, tool-based UI rendering, shared state, and predictive state updates). Covers ASP.NET Core MapAGUI endpoints, Agent Framework integration, Blazor component rendering, SSE streaming architecture, and 2026 UX patterns for agentic interfaces (Dual-Pane Architecture, Observable Plans, HITL governance).
arisng/github-copilot-fc 2
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frontend-skill
Use when the task asks for a visually strong landing page, website, app, prototype, demo, or game UI. This skill enforces restrained composition, image-led hierarchy, cohesive content structure, and tasteful motion while avoiding generic cards, weak branding, and UI clutter.
arisng/github-copilot-fc 2
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googleworkspace-cli
Unified CLI interface for Google Workspace APIs (Drive, Gmail, Calendar, Sheets, Docs, Chat, Admin, etc.) with structured output and multi-service support
arisng/github-copilot-fc 2
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copilot-plugin-creator
Create, update, maintain, and evolve GitHub Copilot agent plugins for CLI, VS Code, or both. Use when scaffolding or refining plugin.json, reconciling manifest drift, choosing runtime-specific component fields, wiring plugin components, or governing shared versions across multi-runtime plugins.
arisng/github-copilot-fc 2
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visual-explainer
Generate beautiful, self-contained HTML pages that visually explain systems, code changes, plans, and data. Use when the user asks for a diagram, architecture overview, diff review, plan review, project recap, comparison table, or any visual explanation of technical concepts. Also use proactively when you are about to render a complex ASCII table (4+ rows or 3+ columns) — present it as a styled HTML page instead.
arisng/github-copilot-fc 2
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openspec-sdd
Spec-driven development (SDD) using OpenSpec with GitHub Copilot. Use when initializing OpenSpec in a project, writing specifications (requirements + scenarios), proposing changes with delta specs, designing and breaking down tasks, implementing from tasks.md, verifying against specs, syncing/archiving completed changes, managing the openspec/ directory, or adopting specs in existing brownfield codebases. Triggers: "openspec", "spec-driven", "SDD", "write specs", "propose a change", "delta spec", "archive change", "opsx", "/opsx:", "GIVEN/WHEN/THEN scenarios", "requirements specification", "change proposal", "brownfield specs", "verify implementation".
arisng/github-copilot-fc 2
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outlook-automation
Automates reading, searching, drafting, and sending emails AND calendar events in Classic Outlook on Windows using local COM automation. Use this skill when the user asks to process Outlook emails, create drafts, send messages, save attachments, manage calendar events, create meetings, or respond to invitations from the authenticated Outlook session on their Windows Devbox. Requires Classic Outlook (not New Outlook) to be running.
gmickel/outlookctl 19
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build-in-public
Generate social media posts for building in public, coding in public, or dev content creation. Activate when user mentions Twitter, X, BlueSky, LinkedIn, Instagram posts about coding, sharing progress, social media content for developers, or wants to share what they built.
vindicatenyc/build-in-public-plugin 2
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git-master
MUST USE for ANY git operations. Atomic commits, rebase/squash, history search (blame, bisect, log -S). STRONGLY RECOMMENDED: Use with sisyphus_task(category='quick', skills=['git-master'], ...) to save context. Triggers: 'commit', 'rebase', 'squash', 'who wrote', 'when was X added', 'find the commit that'.
frankxai/arcanea-opencode
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frontend-ui-ux
Designer-turned-developer who crafts stunning UI/UX even without design mockups
frankxai/arcanea-opencode
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shell-tools
Production-grade shell tools - jq, xargs, parallel, pipelines
pluginagentmarketplace/custom-plugin-bash-shell 1
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text-processing
Production-grade text processing - grep, sed, awk, regex
pluginagentmarketplace/custom-plugin-bash-shell 1
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shell-networking
Production-grade shell networking - curl, ssh, ports, debugging
pluginagentmarketplace/custom-plugin-bash-shell 1
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process-management
Production-grade process management - jobs, signals, cron, systemd
pluginagentmarketplace/custom-plugin-bash-shell 1
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file-operations
Production-grade file operations - permissions, find, archives, rsync
pluginagentmarketplace/custom-plugin-bash-shell 1
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shell-automation
Production-grade shell automation - scripts, CI/CD, makefiles
pluginagentmarketplace/custom-plugin-bash-shell 1