Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent tasks, commands for user-initiated actions Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), color...
Install
Quick install
npx skills add https://github.com/anthropics/claude-code/tree/HEAD/skills/Agent Developmentnpx skills add anthropics/claude-code --skill "Agent Development" --agent claude-codenpx skills add anthropics/claude-code --skill "Agent Development" --agent cursornpx skills add anthropics/claude-code --skill "Agent Development" --agent codexnpx skills add anthropics/claude-code --skill "Agent Development" --agent opencodenpx skills add anthropics/claude-code --skill "Agent Development" --agent github-copilotnpx skills add anthropics/claude-code --skill "Agent Development" --agent windsurfMore install options
Shorthand — useful for multi-skill repos:
npx skills add anthropics/claude-code --skill "Agent Development"Manual — clone the repo and drop the folder into your agent's skills directory:
git clone https://github.com/anthropics/claude-code.gitcp -r claude-code/skills/Agent Development ~/.claude/skills/Agent Development
Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent tasks, commands for user-initiated actions Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), color...
Agent Developmentby anthropic
Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent tasks, commands for user-initiated actions Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), color...npx skills add https://github.com/anthropics/claude-code --skill 'Agent Development'Download ZIPGitHub
More skills from anthropic
comps-analysisby anthropicALWAYS follow this data source hierarchy:analyzing-financial-statementsby anthropicThis skill calculates key financial ratios and metrics from financial statement data for investment analysisapplying-brand-guidelinesby anthropicThis skill applies consistent corporate branding and styling to all generated documents including colors, fonts, layouts, and messagingcookbook-auditby anthropicAudit an Anthropic Cookbook notebook based on a rubric. Use whenever a notebook review or audit is requested.creating-financial-modelsby anthropicThis skill provides an advanced financial modeling suite with DCF analysis, sensitivity testing, Monte Carlo simulations, and scenario planning for investment…action-creatorby anthropicCreates user-specific one-click action templates that execute email operations when clicked in the chat interface. Use when user wants reusable actions for…docxby anthropicComprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude…executive-briefingby anthropicTransforms research findings into executive-ready briefings. Automatically activated when user mentions 'executive', 'briefing', 'C-suite', 'board',…---
Source: https://github.com/anthropics/claude-code/tree/HEAD/skills/Agent Development
Author: anthropic
Discovered via: mcpservers.org
SKILL.md source
--- name: Agent Development description: Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markd... --- # Agent Development Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent tasks, commands for user-initiated actions Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), color... # Agent Developmentby anthropic Comprehensive guide for building autonomous agents in Claude Code plugins with structured frontmatter, system prompts, and triggering conditions. Agents are autonomous subprocesses defined in markdown files with YAML frontmatter; use them for multi-step independent tasks, commands for user-initiated actions Required frontmatter fields: name (3–50 lowercase-hyphenated characters), description (with 2–4 concrete triggering examples), model (inherit/sonnet/opus/haiku), color... `npx skills add https://github.com/anthropics/claude-code --skill 'Agent Development'`Download ZIPGitHub ## More skills from anthropic comps-analysisby anthropicALWAYS follow this data source hierarchy:analyzing-financial-statementsby anthropicThis skill calculates key financial ratios and metrics from financial statement data for investment analysisapplying-brand-guidelinesby anthropicThis skill applies consistent corporate branding and styling to all generated documents including colors, fonts, layouts, and messagingcookbook-auditby anthropicAudit an Anthropic Cookbook notebook based on a rubric. Use whenever a notebook review or audit is requested.creating-financial-modelsby anthropicThis skill provides an advanced financial modeling suite with DCF analysis, sensitivity testing, Monte Carlo simulations, and scenario planning for investment…action-creatorby anthropicCreates user-specific one-click action templates that execute email operations when clicked in the chat interface. Use when user wants reusable actions for…docxby anthropicComprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude…executive-briefingby anthropicTransforms research findings into executive-ready briefings. Automatically activated when user mentions 'executive', 'briefing', 'C-suite', 'board',… --- **Source**: https://github.com/anthropics/claude-code/tree/HEAD/skills/Agent Development **Author**: anthropic **Discovered via**: mcpservers.org
Related skills 6
running-claude-code-via-litellm-copilot
Use when routing Claude Code through a local LiteLLM proxy to GitHub Copilot, reducing direct Anthropic spend, configuring ANTHROPIC_BASE_URL or ANTHROPIC_MODEL overrides, or troubleshooting Copilot proxy setup failures such as model-not-found, no localhost traffic, or GitHub 401/403 auth errors.
skills-cli
Use when users ask to discover, install, list, check, update, remove, back up, restore, sync, or initialize Agent Skills, mention `bunx skills`, `npx skills`, `skills.sh`, or `skills-lock.json`, ask "find a skill for X", or want help extending agent capabilities with installable skills.
repo-intake-and-plan
Narrow RigorPilot helper for README-first deep learning repo reproduction. Use when the task is specifically to scan a repository, read the README and common project files, extract documented commands, classify inference, evaluation, and training candidates, and return the smallest trustworthy reproduction plan to the main orchestrator. Do not use for environment setup, asset download, command execution, final reporting, paper lookup, or end-to-end orchestration.
image-to-video
Animate any still image on RunComfy — this skill is a smart router that matches the user's intent to the right i2v model in the RunComfy catalog. Picks HappyHorse 1.0 I2V (Arena #1, native audio, identity preservation) for general animations, Wan 2.7 with `audio_url` for custom-voiceover lip-sync, or Seedance 2.0 Pro for multi-modal animation from image + reference video + reference audio. Bundles each model's documented prompting patterns so the caller gets sharper output without burning ite...
video-edit
Edit existing video on RunComfy — this skill is a smart router that matches the user's intent to the right edit model in the RunComfy catalog. Picks Wan 2.7 Edit-Video (general restyle / background swap / packaging swap, identity + motion preservation), Kling 2.6 Pro Motion Control (transfer precise motion from a reference video to a target character), or Lucy Edit Restyle (lightweight identity-stable restyle / outfit swap). Bundles each model's documented prompting patterns so the skill gets...
nano-banana-2
Generate images with Google Nano Banana 2 (Gemini-family flash-tier text-to-image) on RunComfy — bundled with the model's documented prompting patterns so the skill gets sharper output than naive prompting against the same model. Documents Nano Banana 2's strengths (rapid iteration, in-image typography rendering, predictable framing, optional web-grounded context), the resolution-tier pricing, the safety-tolerance dial, and when to route to Nano Banana Pro / GPT Image 2 / Flux 2 / Seedream in...