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Anthropic

@anthropics

Official · ClaudeOrganization

673 skills22 repositories 565.9K

Skills (673)

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MCP Integration

Official · ClaudeFreeSummaryAI rating 90

Connect external services to Claude Code plugins through MCP, a protocol that exposes service functions as tools. Get guidance on server configuration, connection methods, authentication, tool permissions, and testing connections and tool calls.

  • Adding a local MCP server to a plugin
  • Configuring authentication for a hosted service
  • Using multiple services in commands and agents
anthropics/claude-code152.7KUpdated Oct 21, 2026

frontend-design

Official · ClaudeFreeSummaryAI rating 100

Design new interfaces or reshape existing ones with colors, typography, and layouts grounded in the subject and audience. It guides planning, implementation, and critique, including interface wording, purposeful motion, mobile layouts, and accessibility.

  • Plan the visual direction for a new website
  • Redesign an interface that feels generic
  • Choose colors, typefaces, and layout for an audience
anthropics/claude-code152.7KUpdated Oct 21, 2026

Command Development

Official · ClaudeFreeSummaryAI rating 90

Turn recurring Claude Code tasks into reusable slash commands stored as Markdown files. The guidance covers arguments, file references, tool permissions, shell execution, and plugin integration so commands can run consistent, context-aware workflows.

  • Turning recurring review instructions into a command
  • Creating commands that accept file paths or issue numbers
  • Sharing standard workflows across a project team
anthropics/claude-code152.7KUpdated Oct 21, 2026

Plugin Settings

Official · ClaudeFreeSummaryAI rating 80

Make Claude Code plugin behavior configurable per project using local Markdown files. Learn to store structured settings and notes, read them from hooks or commands, and handle defaults, validation, and user-local configuration.

  • Adding per-project settings to a plugin
  • Controlling whether hooks are enabled
  • Saving agent task details and progress state
anthropics/claude-code152.7KUpdated Oct 21, 2026

Skill Development

Official · ClaudeFreeSummaryAI rating 80

Create or improve skills for Claude Code plugins by defining clear activation conditions, writing focused instructions, and organizing supporting files. The guidance covers reusable scripts, reference documents, examples, and testing whether a skill activates for the intended requests.

  • Creating a new skill inside a plugin
  • Clarifying when an existing skill should activate
  • Splitting long instructions into reference files
anthropics/claude-code152.7KUpdated Oct 21, 2026

Agent Development

Official · ClaudeFreeSummaryAI rating 90

Build specialized agents for Claude Code plugins that handle tasks involving multiple steps. Define when each agent should run, its responsibilities, available tools, and expected output, then validate its configuration and test its behavior.

  • Creating a dedicated code review agent
  • Writing agent activation conditions and examples
  • Limiting an agent to the tools it needs
anthropics/claude-code152.7KUpdated Oct 21, 2026

cookbook-audit

Official · ClaudeFreeSummary

Review an Anthropic Cookbook notebook for clear explanations, code quality, technical accuracy, and practical usefulness. It combines automated checks, including exposed credential detection, with a scored report and specific recommendations tied to sections and lines.

  • Review a Cookbook notebook before publication
  • Check introductions and conclusions against learning objectives
  • Scan for hardcoded API keys and credentials
anthropics/claude-cookbooks53.6KUpdated Oct 17, 2026

creating-financial-models

Official · ClaudeFreeSummary

Build financial models for valuation and investment analysis using discounted future cash flows, assumption testing, and probability simulations. Outputs include Excel models, comparison tables, charts, and valuation ranges to examine possible outcomes and risks.

  • Build a company valuation model from financial statements
  • Test how growth and discount rates affect valuation
  • Simulate acquisition valuation under uncertain assumptions
anthropics/claude-cookbooks53.6KUpdated Oct 17, 2026

analyzing-financial-statements

Official · ClaudeFreeSummary

Calculate financial ratios from company statements to assess profitability, ability to cover obligations, efficiency, and valuation. Results include explanations, comparisons across periods, available industry benchmarks, and a formatted Excel report.

  • Comparing profitability across reporting periods
  • Assessing ability to cover short-term obligations
  • Calculating valuation ratios for investment analysis
anthropics/claude-cookbooks53.6KUpdated Oct 17, 2026

applying-brand-guidelines

Official · ClaudeFreeSummary

Apply corporate brand standards to PowerPoint, Excel, and PDF documents. The skill guides colors, fonts, layouts, logo placement, and writing style, with scripts for applying formatting and checking compliance.

  • Creating presentations with consistent corporate branding
  • Standardizing spreadsheet tables and charts
  • Checking PDF layouts and writing style
anthropics/claude-cookbooks53.6KUpdated Oct 17, 2026

playground

Official · ClaudeFreeSummary

Build a single HTML file with controls, an instant preview, and a copyable prompt. Use it to explore designs, data queries, concepts, or reviews visually, then turn selected settings into clear instructions for an agent.

  • Explore colors, typography, and spacing visually
  • Build data queries with interactive controls
  • Review documents with approval and comment controls
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

configure

Official · ClaudeFreeSummary

Set up a Telegram bot channel for reaching the assistant. Save or remove the bot token, inspect configuration and pending access requests, and get guidance on limiting contact to an approved list of senders.

  • Saving a Telegram bot token for initial setup
  • Checking token settings and pending pairing requests
  • Reviewing who can contact the assistant
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

project-artifact

Official · ClaudeFreeSummary

Build a tabbed project status page with goals, workstreams, owners, risks, and next actions. Publish it privately on claude.ai, then refresh the same URL from current sources and report what changed since the previous update.

  • Sharing progress across multiple workstreams
  • Tracking a software migration across several PRs
  • Summarizing research or launch milestones
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

skill-creator

Official · ClaudeFreeSummary

Turn recurring tasks into reusable agent skills, or improve skills you already have. Draft instructions, compare test outputs with and without a skill, review quality and resource use, and refine descriptions so skills trigger for appropriate requests.

  • Turn a recurring workflow into a reusable skill
  • Improve an existing skill using test results
  • Compare output quality, runtime, and token use
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

command-development

Official · ClaudeFreeSummary

Create reusable slash commands for recurring work in Claude Code. This guide covers arguments, file references, tool permissions, shell commands, and input checks, with examples for reviews, tests, documentation, and plugin workflows.

  • Turning recurring requests into reusable commands
  • Building commands with arguments and file references
  • Organizing commands shared across a team
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

access

Official · ClaudeFreeSummary

Manage who can contact an assistant through the iMessage channel. Update approved senders, approve pairing codes, and configure direct message and group access rules by editing the channel’s local settings.

  • Add or remove approved iMessage senders
  • Approve or reject a pending pairing code
  • Set group access and mention requirements
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

plugin-settings

Official · ClaudeFreeSummary

Add project-specific settings to Claude Code plugins using local Markdown files. Learn how to combine structured YAML settings with written context, read them from hooks and commands, and validate configuration values.

  • Add project-specific configuration to a plugin
  • Control hook activation through settings
  • Store agent state alongside task instructions
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

plugin-structure

Official · ClaudeFreeSummary

Create and organize Claude Code plugins with guidance on configuration files, commands, agents, skills, hooks, and MCP servers. Learn where components belong, how automatic loading works, and how to reference files across different installation locations.

  • Create the directory structure for a new plugin
  • Organize commands, agents, skills, and hooks
  • Make file references work across installation locations
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

hook-development

Official · ClaudeFreeSummary

Build Claude Code plugin hooks: automated checks triggered by tool use or session events. Get guidance on prompt and command hooks for validating actions, checking task completion, loading context, and testing configurations.

  • Checking dangerous commands before execution
  • Verifying completion before the agent stops
  • Loading project context when a session starts
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

claude-security

Official · ClaudeFreeSummary

Scan a codebase or selected changes for security issues, then request targeted patch files for findings. Independent agents verify reported issues and proposed fixes, while you review and apply patches yourself.

  • Auditing an entire repository or a selected area
  • Checking security issues in branch or pull request changes
  • Scanning a single commit
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

build-mcp-server

Official · ClaudeFreeSummary

Plan and build an MCP server, a connection that lets Claude use external tools. Choose hosting, tool structure, authentication, and a framework, then scaffold a server or hand off to specialized packaging and interface skills.

  • Connect a cloud API to Claude
  • Choose how to run and distribute an MCP server
  • Organize tools for an API with many actions
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

mcp-integration

Official · ClaudeFreeSummary

Connect Claude Code plugins to external services through MCP, a protocol that makes service functions available as tools. Covers connection types, configuration files, authentication, tool permissions, and testing for local servers and hosted services.

  • Connecting a plugin to an external API
  • Configuring a local MCP server
  • Setting up OAuth or token authentication
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

build-mcp-app

Official · ClaudeFreeSummary

Add interactive panels to an MCP server so users can select records, view charts, or follow progress inside a conversation. The skill guides tool connections, interface implementation, sandbox restrictions, and testing in hosts that support these panels.

  • Build a searchable contact or file picker
  • Display charts and previews inside a conversation
  • Show live progress for a long-running job
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

claude-md-improver

Official · ClaudeFreeSummary

Review CLAUDE.md files, which provide project instructions to Claude Code. Receive a scored quality report covering commands, structure, and outdated guidance, then approve focused edits that keep the instructions concise and useful.

  • Auditing project instructions for Claude Code
  • Updating outdated build and test commands
  • Reviewing instructions across multiple packages
anthropics/claude-plugins-official43.6KUpdated Oct 21, 2026

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