Explore AI Agent Skills & Claude Prompts
Discover open-source agent skills for Claude Code, Codex, ChatGPT, and any tool that uses SKILL.md.
Enter through keywords, occupations, creators, and GitHub sources to see what kinds of skills are emerging across domains.
Use the same catalog through the API
Connect 381,784 public skills to your own search, analytics, or agent workflow with the REST API.
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semaphore-blocks
by semaphoreioExplain how Semaphore pipelines are structured — blocks, tasks, jobs, dependencies, parallelism — and link to sem-ai commands for inspecting them. Use when the user asks about Semaphore pipeline structure, blocks, tasks, jobs, parallelism, dependencies, fan-out / fan-in, why a job is waiting, how to split work into parallel blocks, or where to put agent / prologue / epilogue / secrets / env_vars.
debug-pipeline
by semaphoreioDiagnose and fix CI pipeline failures. Step-by-step debugging with sem-ai.
deploy
by semaphoreioDeploy via Semaphore promotions. Manage deployment targets, promote pipelines, deploy-and-wait.
gha-to-semaphore
by semaphoreioTranslate a repo's GitHub Actions workflows into an equivalent Semaphore pipeline. ONLY covers the GHA→Semaphore mapping and conversion procedure; for Semaphore-side depth (cache CLI, test-results, blocks structure, sharding, promotions) defer to the linked skills. Use when the user asks to convert/port/migrate GitHub Actions to Semaphore, says "translate this workflow" or "convert ci.yml", or the repo has `.github/workflows/` and the user wants Semaphore instead. Can be invoked directly as `/sem-ai:gha-to-semaphore` (or via the broader `/sem-ai:init` orchestrator).
init
by semaphoreioInitialize Semaphore CI/CD for the current repository — bootstrap the Semaphore project, write a working `.semaphore/semaphore.yml` (translating from GitHub Actions if present, or from scratch), wire required secrets, validate, and watch the first workflow. Applies Semaphore-side defaults automatically — agent image, toolbox CLIs, `test-results` epilogue rule, sharding heuristics — by routing through the linked skills. Use when the user wants to set up CI on Semaphore, says "initialize", "bootstrap CI", "prepare CI/CD for this project", "create a workflow on Semaphore", "make a `.semaphore` config", or runs `/sem-ai:init`.
manage-infra
by semaphoreioManage Semaphore infrastructure — secrets, notifications, agent types, scheduled tasks, artifacts.
probe-agent-environment
by semaphoreioSpin up a short-lived Semaphore testbox to check what's actually installed on an agent — tools, versions, toolbox functions, runtimes — when the official image docs don't answer the question. Use when an agent needs to confirm whether a tool/runtime/version is preinstalled on a Semaphore agent ("does the runner have X", "what version of Y ships on ubuntu2204/ubuntu2404", "is jq/yq/gh/aws on PATH", "what toolbox functions exist"), or before adding a CI step that installs a tool — verify it isn't already preinstalled.
project-health
by semaphoreioMonitor Semaphore project health — pass rates, recent failures, deployment status, trends.
sem-ai-bootstrap
by semaphoreioDiagnose sem-ai plugin issues when the sem-ai binary isn't installed yet, and guide the user through binary install. Use when the user reports sem-ai not working, MCP tools missing, slash command not found, `sem-ai connect` failing, or sees "command not found: sem-ai".
semaphore-ci
by semaphoreioManage Semaphore CI/CD via sem-ai. Use when the user asks about CI status, pipeline failures, test results, deployments, secrets, notifications, scheduled tasks, deployment targets, project health, or anything related to their Semaphore pipelines and workflows — e.g. "CI status", "pipeline failed", "why did CI fail", "deploy to staging", "rerun the pipeline", "what's flaky", "check the build", "show me the logs", "promote to production", "validate yaml".
semaphore-promotions
by semaphoreioExplain Semaphore promotions — chained pipelines for deploys, gates, and environment fan-out — and link to sem-ai commands for triggering and inspecting them. Use when the user asks about Semaphore promotions, deploys, deployment targets, auto-promote, parameterized promotions, staging vs production gates, how to chain pipelines, or environment fan-out.
semaphore-test-results
by semaphoreioPublish JUnit test reports from Semaphore jobs and surface them in the UI's Test Reports tab. Covers the `test-results` CLI, why it must live in `epilogue` (not the test command itself), and per-framework JUnit configuration for Go, pytest, RSpec, Jest, Vitest, ExUnit, Java. Use when a pipeline writes JUnit / test reports, the Test Reports tab is empty after a failure, failures publish silently, the user asks about flaky test surfacing or per-framework JUnit setup, or any time `test-results publish` / `test-results gen-pipeline-report` is involved.
Browse Agent Skills by Occupation
23 major groups · 867 SOC occupations
Browse by Category
Explore agent skills organized by their primary use case
Explore the agent skills ecosystem by occupation and creator
SkillMD is not just a keyword search box. It is an open map that organizes public skills by occupation, creator, and repository, helping you see which workflows, judgment criteria, and domain habits people are writing for AI agents.
Then follow creators and GitHub repositories back to the source: compare the skills a team maintains, whether the repo is active, and how the README frames the work before you open, install, or reuse anything.
Use it three ways: learn an unfamiliar field by occupation, study how creators organize skills, then use source context to decide what is worth opening or reusing.
01 Map a field
Browse 23 occupation groups and 867 SOC roles to learn what skills exist in adjacent domains and how they break down real work.
02 Follow creators
Use creator and repository pages to inspect maintained skill collections, recent updates, and source context before trusting a result.
03 Search with sources
Search 1.7M+ collected skills, then use occupation tags, creators, and GitHub source context to decide what is worth opening.
Start with the occupation map, then follow creators and repositories back to real code. SkillMD helps explain why a skill is worth opening, not only what it is named.
Standardizing Agent Capabilities with SKILL.md and Model Context Protocol (MCP)
In the rapidly evolving landscape of artificial intelligence, LLM agents (Large Language Model agents) have transitioned from simple text predictors to autonomous problem solvers. To orchestrate complex, multi-step agentic workflows, developers require a standardized format to specify agent capabilities, prompt instructions, system rules, and database bindings. This is where SKILL.md and the Model Context Protocol (MCP) have emerged as standard developer paradigms. SkillMD serves as the central directory for indexing, exploring, and sharing these critical agent configurations.
Our open-source registry currently tracks over 1.7 million collected SKILL.md configurations and system prompts. By compiling agent configurations from active developers on GitHub, we bridge the gap between prompt engineering research and production execution. Whether you are building agents with Anthropic's Claude Code, OpenAI's GPT-4, Google's Gemini, or local models using Ollama and LlamaIndex, standardized skill definitions ensure your agents behave predictably across different runtime environments.
What is the Model Context Protocol (MCP)?
The Model Context Protocol (MCP) is an open-source standard designed to connect LLMs to data sources, developer tools, and external environments. MCP establishes a bidirectional communication channel between client applications (like Cursor, Claude Desktop, or custom agent systems) and servers hosting data or capabilities. Standardizing instructions via SKILL.md enables LLMs to query databases, read local files, execute terminal commands, and integrate third-party APIs. SkillMD allows you to find ready-to-run MCP servers and prompt instructions for various occupations and technical tasks.
The Structure of a Professional SKILL.md File
A valid SKILL.md configuration is designed to be easily read by humans and parsed by LLMs. It contains precise system instructions, trigger conditions, required parameters, and execution examples. Below is the typical architectural blueprint of a professional agent skill:
- Metadata & Core Scope: Declares the name of the skill, author details, target models, and a description of the capability.
- Triggers & Intent Detection: Details semantic triggers that help the agent decide when to invoke this skill.
- System Prompts: Explicit system-level instructions that direct the agent's behavior, personality, safety guardrails, and formatting preferences.
- Capabilities & Tools: Lists the files, databases, or APIs the agent must access to complete the tasks.
- Few-Shot Examples: Demonstrates real inputs and outputs, helping the model generalize behavior through in-context learning.
Optimizing Agent Workflows for Modern LLMs
Writing effective agent skills requires deep knowledge of prompt engineering. With the release of advanced reasoning models like Claude 3.5 Sonnet, ChatGPT o1, and DeepSeek-V3, prompt templates must focus on structured thinking. Developers are encouraged to use XML tags (e.g., <thought>, <context>, and <rules>) to isolate execution boundaries. Standardized prompts prevent agents from suffering from context drift, ensuring that long-running tasks remain aligned with the initial system parameters.
Exploring by SOC Occupations and Creator Profiles
What makes SkillMD unique is its taxonomy. Instead of simple text search, we parse and organize files according to the Standard Occupational Classification (SOC) system. This means you can discover skills written for Computer and Mathematical roles, Business and Financial operations, Legal, Design, and and Educational Instruction fields. By tracking creator profiles, developers can study how different teams organize their custom instructions, compare version updates, and fork public configs for specialized enterprise use cases.
SkillMD operates as a high-performance index running on a fast Go backend and a highly responsive Astro SSR frontend. All search queries execute in milliseconds, featuring smart debouncing to prevent multiple API requests while keeping user data secure. Join our community of developers to standardize your AI agent instructions and optimize your LLM prompting workflows today.
Frequently Asked Questions
A practical guide to agent skills: what they are, how to inspect them, and how SkillMD helps you explore the ecosystem.