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telegram-bot-builder

Expert in building Telegram bots that solve real problems - from simple automation to complex AI-powered bots. Covers bot architecture, the Telegram Bot API, user experience, monetization strategies, and scaling bots to thousands of users. Use when: telegram bot, bot api, telegram automation, chat bot telegram, tg bot.

xfstudio
xfstudio
4

solidity-security

Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns. Use when writing smart contracts, auditing existing contracts, or implementing security measures for blockchain applications.

xfstudio
xfstudio
4

spark-optimization

Optimize Apache Spark jobs with partitioning, caching, shuffle optimization, and memory tuning. Use when improving Spark performance, debugging slow jobs, or scaling data processing pipelines.

xfstudio
xfstudio
4

spec-analyze

Perform non-destructive cross-artifact consistency and quality analysis across spec.md, plan.md, and tasks.md. Use when user says "/spec-analyze", "analyze the spec", "check consistency" after /spec-tasks to identify issues before implementation.

xfstudio
xfstudio
4

spec-checklist

Generate custom quality checklists that validate REQUIREMENTS quality (not implementation). Use when user says "/spec-checklist", "create checklist for [domain]" to validate specification completeness before implementation.

xfstudio
xfstudio
4

spec-clarify

Identify underspecified areas in a feature spec by asking up to 5 targeted clarification questions and encoding answers into the spec. Use when user says "/spec-clarify", "clarify the spec", or after /spec-specify to reduce ambiguity before /spec-plan.

xfstudio
xfstudio
4

spec-constitution

Create or update the project constitution with core principles and governance rules. Use when user says "/spec-constitution", "create constitution", "update principles", or needs project-wide development standards. Constitution is referenced by all other spec commands.

xfstudio
xfstudio
4

spec-implement

Execute implementation by processing tasks defined in tasks.md. Use when user says "/spec-implement", "implement the feature", "start coding" after /spec-tasks to begin phase-by-phase implementation.

xfstudio
xfstudio
4

SMTP Penetration Testing

This skill should be used when the user asks to "perform SMTP penetration testing", "enumerate email users", "test for open mail relays", "grab SMTP banners", "brute force email credentials", or "assess mail server security". It provides comprehensive techniques for testing SMTP server security.

zebbern
zebbern
4

slo-implementation

Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs) with error budgets and alerting. Use when establishing reliability targets, implementing SRE practices, or measuring service performance.

xfstudio
xfstudio
4

slack-gif-creator

Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack."

xfstudio
xfstudio
4

slack-bot-builder

Build Slack apps using the Bolt framework across Python, JavaScript, and Java. Covers Block Kit for rich UIs, interactive components, slash commands, event handling, OAuth installation flows, and Workflow Builder integration. Focus on best practices for production-ready Slack apps. Use when: slack bot, slack app, bolt framework, block kit, slash command.

xfstudio
xfstudio
4

software-architecture

Guide for quality focused software architecture. This skill should be used when users want to write code, design architecture, analyze code, in any case that relates to software development.

xfstudio
xfstudio
4

skill-seekers

-Automatically convert documentation websites, GitHub repositories, and PDFs into Claude AI skills in minutes.

xfstudio
xfstudio
4

skill-rails-upgrade

Analyze Rails apps and provide upgrade assessments

xfstudio
xfstudio
4

social-content

When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms. Also use when the user mentions 'LinkedIn post,' 'Twitter thread,' 'social media,' 'content calendar,' 'social scheduling,' 'engagement,' or 'viral content.' This skill covers content creation, repurposing, and platform-specific strategies.

xfstudio
xfstudio
4

skill-developer

Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords, intent patterns, file paths, content patterns), enforcement levels (block, suggest, warn), hook mechanisms (UserPromptSubmit, PreToolUse), session tracking, and the 500-line rule.

xfstudio
xfstudio
4

skill-creator

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

xfstudio
xfstudio
4

similarity-search-patterns

Implement efficient similarity search with vector databases. Use when building semantic search, implementing nearest neighbor queries, or optimizing retrieval performance.

xfstudio
xfstudio
4

youtube-transcript

Download YouTube video transcripts when user provides a YouTube URL or asks to download/get/fetch a transcript from YouTube. Also use when user wants to transcribe or get captions/subtitles from a YouTube video.

xfstudio
xfstudio
4

zapier-make-patterns

No-code automation democratizes workflow building. Zapier and Make (formerly Integromat) let non-developers automate business processes without writing code. But no-code doesn't mean no-complexity - these platforms have their own patterns, pitfalls, and breaking points. This skill covers when to use which platform, how to build reliable automations, and when to graduate to code-based solutions. Key insight: Zapier optimizes for simplicity and integrations (7000+ apps), Make optimizes for power

xfstudio
xfstudio
4

minecraft-bukkit-pro

Master Minecraft server plugin development with Bukkit, Spigot, and

xfstudio
xfstudio
4

micro-saas-launcher

Expert in launching small, focused SaaS products fast - the indie hacker approach to building profitable software. Covers idea validation, MVP development, pricing, launch strategies, and growing to sustainable revenue. Ship in weeks, not months. Use when: micro saas, indie hacker, small saas, side project, saas mvp.

xfstudio
xfstudio
4

microservices-patterns

Design microservices architectures with service boundaries, event-driven communication, and resilience patterns. Use when building distributed systems, decomposing monoliths, or implementing microservices.

xfstudio
xfstudio
4

ml-engineer

Build production ML systems with PyTorch 2.x, TensorFlow, and

xfstudio
xfstudio
4

ml-pipeline-workflow

Build end-to-end MLOps pipelines from data preparation through model training, validation, and production deployment. Use when creating ML pipelines, implementing MLOps practices, or automating model training and deployment workflows.

xfstudio
xfstudio
4

mlops-engineer

Build comprehensive ML pipelines, experiment tracking, and model

xfstudio
xfstudio
4

mobile-design

Mobile-first design and engineering doctrine for iOS and Android apps. Covers touch interaction, performance, platform conventions, offline behavior, and mobile-specific decision-making. Teaches principles and constraints, not fixed layouts. Use for React Native, Flutter, or native mobile apps.

xfstudio
xfstudio
4

mobile-developer

Develop React Native, Flutter, or native mobile apps with modern

xfstudio
xfstudio
4

mobile-security-coder

Expert in secure mobile coding practices specializing in input

xfstudio
xfstudio
4

modern-javascript-patterns

Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for writing clean, efficient JavaScript code. Use when refactoring legacy code, implementing modern patterns, or optimizing JavaScript applications.

xfstudio
xfstudio
4

monorepo-architect

Expert in monorepo architecture, build systems, and dependency management at scale. Masters Nx, Turborepo, Bazel, and Lerna for efficient multi-project development. Use PROACTIVELY for monorepo setup,

xfstudio
xfstudio
4

monorepo-management

Master monorepo management with Turborepo, Nx, and pnpm workspaces to build efficient, scalable multi-package repositories with optimized builds and dependency management. Use when setting up monorepos, optimizing builds, or managing shared dependencies.

xfstudio
xfstudio
4

moodle-external-api-development

Create custom external web service APIs for Moodle LMS. Use when implementing web services for course management, user tracking, quiz operations, or custom plugin functionality. Covers parameter validation, database operations, error handling, service registration, and Moodle coding standards.

xfstudio
xfstudio
4

mtls-configuration

Configure mutual TLS (mTLS) for zero-trust service-to-service communication. Use when implementing zero-trust networking, certificate management, or securing internal service communication.

xfstudio
xfstudio
4

multi-agent-brainstorming

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xfstudio
xfstudio
4

multi-agent-patterns

Master orchestrator, peer-to-peer, and hierarchical multi-agent architectures

xfstudio
xfstudio
4

multi-cloud-architecture

Design multi-cloud architectures using a decision framework to select and integrate services across AWS, Azure, and GCP. Use when building multi-cloud systems, avoiding vendor lock-in, or leveraging best-of-breed services from multiple providers.

xfstudio
xfstudio
4

powershell-windows

PowerShell Windows patterns. Critical pitfalls, operator syntax, error handling.

xfstudio
xfstudio
4

multi-platform-apps-multi-platform

Build and deploy the same feature consistently across web, mobile, and desktop platforms using API-first architecture and parallel implementation strategies.

xfstudio
xfstudio
4

n8n-code-python

Write Python code in n8n Code nodes. Use when writing Python in n8n, using _input/_json/_node syntax, working with standard library, or need to understand Python limitations in n8n Code nodes.

xfstudio
xfstudio
4

n8n-mcp-tools-expert

Expert guide for using n8n-mcp MCP tools effectively. Use when searching for nodes, validating configurations, accessing templates, managing workflows, or using any n8n-mcp tool. Provides tool selection guidance, parameter formats, and common patterns.

xfstudio
xfstudio
4

n8n-node-configuration

Operation-aware node configuration guidance. Use when configuring nodes, understanding property dependencies, determining required fields, choosing between get_node detail levels, or learning common configuration patterns by node type.

xfstudio
xfstudio
4

nanobanana-ppt-skills

AI-powered PPT generation with document analysis and styled images

xfstudio
xfstudio
4

native-data-fetching

Use when implementing or debugging ANY network request, API call, or data fetching. Covers fetch API, axios, React Query, SWR, error handling, caching strategies, offline support.

xfstudio
xfstudio
4

neon-postgres

Expert patterns for Neon serverless Postgres, branching, connection pooling, and Prisma/Drizzle integration Use when: neon database, serverless postgres, database branching, neon postgres, postgres serverless.

xfstudio
xfstudio
4

nestjs-expert

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js authentication. Use PROACTIVELY for any Nest.js application issues including architecture decisions, testing strategies, performance optimization, or debugging complex dependency injection problems. If a specialized expert is a better fit, I will recommend switching and stop.

xfstudio
xfstudio
4

Network 101

This skill should be used when the user asks to "set up a web server", "configure HTTP or HTTPS", "perform SNMP enumeration", "configure SMB shares", "test network services", or needs guidance on configuring and testing network services for penetration testing labs.

zebbern
zebbern
4

network-engineer

Expert network engineer specializing in modern cloud networking,

xfstudio
xfstudio
4

nextjs-app-router-patterns

Master Next.js 14+ App Router with Server Components, streaming, parallel routes, and advanced data fetching. Use when building Next.js applications, implementing SSR/SSG, or optimizing React Server Components.

xfstudio
xfstudio
4

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Agent Skills are supported by leading AI development tools.

FAQ

Frequently asked questions about Agent Skills.

01

What are Agent Skills?

Agent Skills are reusable, production-ready capability packs for AI agents. Each skill lives in its own folder and is described by a SKILL.md file with metadata and instructions.

02

What does this agent-skills.md site do?

Agent Skills is a curated directory that indexes skill repositories and lets you browse, preview, and download skills in a consistent format.

03

Where are skills stored in a repo?

By default, the site scans the skills/ folder. You can also submit a URL that points directly to a specific skills folder.

04

What is required inside SKILL.md?

SKILL.md must include YAML frontmatter with at least name and description. The body contains the actual guidance and steps for the agent.

05

How can I submit a repo?

Click Submit in the header and paste a GitHub URL that points to a skills folder. We’ll parse it and add any valid skills to the directory.