Agent skills by anthropics

Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.

anthropics/skills

Handles everyday PDF jobs in Python and on the command line: extract text and tables, merge, split, rotate, watermark, fill forms, encrypt and OCR.

anthropics/skills

Builds multi-component claude.ai HTML artifacts as a small React, TypeScript and Tailwind project, then bundles it into one shareable HTML file.

anthropics/skills

Explains how to write Claude Code plugin hooks, both prompt-based checks and bash commands, for events such as PreToolUse, Stop and SessionStart.

anthropics/claude-plugins-official

Creates original generative art in two steps: a written algorithmic philosophy, then a p5.js sketch with seeded randomness and an interactive viewer for exploring parameters.

anthropics/skills

Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.

anthropics/claude-plugins-official

Creates original posters and static art as PNG or PDF by first writing a short design philosophy, then expressing it visually on a canvas.

anthropics/skills

Creates, edits and reviews Word documents: new files with docx-js, edits through the underlying XML, plus tracked changes, comments and conversions.

anthropics/skills

Shows how Claude Code plugins keep per-project settings and state in .claude/plugin-name.local.md files with YAML frontmatter and a markdown body.

anthropics/claude-plugins-official

Tests local web applications with Python Playwright scripts, checking frontend behavior, capturing screenshots and reading browser console logs.

anthropics/skills

Creates, edits, reads and validates .pptx and .potx files, using pptxgenjs for new decks and direct XML edits for existing ones, with helper scripts for thumbnails and checks.

anthropics/skills

Provides Slack size and frame limits, Python animation helpers and validators for building animated GIFs sized for emoji and messages.

anthropics/skills

Explains how to bundle Model Context Protocol servers in a Claude Code plugin, covering config files, stdio, SSE, HTTP and WebSocket server types, and authentication.

anthropics/claude-plugins-official

Creates, edits and analyzes spreadsheets (.xlsx, .xlsm, .csv, .tsv) with openpyxl and pandas, writing live formulas and recalculating to confirm zero formula errors.

anthropics/skills

Explains how to write Claude Code slash commands: Markdown files with YAML frontmatter, arguments, file references, bash context and interactive prompts.

anthropics/claude-plugins-official

Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.

anthropics/claude-plugins-official

Applies Anthropic's brand colors and fonts to artifacts such as PowerPoint slides, using fixed hex values for text and accents, Poppins headings and Lora body text.

anthropics/skills

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this…

anthropics/skills

Pushes the agent toward distinctive visual design for new or reworked UI: a clear aesthetic direction, deliberate typography and choices rooted in the subject.

anthropics/skills

Applies one of ten preset color and font themes to slide decks, documents or HTML pages, or creates a new theme on the fly after you choose from a showcase.

anthropics/skills

Finds every CLAUDE.md file in a repository, scores each against quality criteria, shows a report, then makes targeted updates after you approve.

anthropics/claude-plugins-official

Appends two or three targeted follow-up questions after a substantive answer, pointing at facts to verify, reasoning to probe, or context that was assumed.

anthropics/skills

Scans a codebase and suggests which Claude Code hooks, subagents, skills, plugins and MCP servers fit its stack, without changing any files.

anthropics/claude-plugins-official

Structures a legal clinic client intake interview and produces a case summary with cross-area issue spotting, conflict flags and triage classification.

anthropics/claude-for-legal

Holds student work in a queue for a legal clinic professor to approve, edit-then-approve or return before anything reaches clients or courts.

anthropics/claude-for-legal

Explains how to design and write skills for Claude Code plugins: SKILL.md frontmatter, bundled scripts, references and assets, and descriptions that trigger at the right time.

anthropics/claude-plugins-official

Builds a review grid with one row per document and one column per data point, each cell cited to a verbatim quote, built for M&A diligence and other batch reviews.

anthropics/claude-for-legal

Authoring and running behavioral evals for a shopping or merchant agent, covering the case shape, authoring rules, code graders and judges, the run pattern, and poisoned fixtures.

anthropics/commerce-agents

Builds a personal Claude Code usage and impact report entirely from local session transcripts and git history, for self-review or justifying usage to a manager.

anthropics/claude-plugins-official

Run a large-scale language migration with the six-step process: create the map and the rules, stress-test the rules, translate everything, compile, run it, match behavior.

anthropics/code-migration-kit-with-claude-code

Adds a matching Claude Academy course, tutorial or use case to the end of an answer about learning to use Claude, but only when the match is strong.

anthropics/skills

Explains the hookify rule file format: markdown with YAML frontmatter that watches bash commands, file edits, prompts or stop events and warns or blocks.

anthropics/claude-plugins-official

Entry point for building an MCP server: asks about the use case, picks a deployment model and tool-design pattern, then hands off to more specialized skills.

anthropics/claude-plugins-official

Runs a category-by-category legal review of a product launch from a PRD or tracker ticket, calibrated to your team's framework, and writes a review memo in house format.

anthropics/claude-for-legal

Creating and improving listing content, covering titles, descriptions, attribute completeness, categorization fixes, image callouts written as text, edits written from material the operator…

anthropics/commerce-agents

The optional standing status report ("the weather"): compile open incidents, build health, merge-queue stats, and deploy lag into one always-current report page, and post to the channel only when a…

anthropics/oncall-kit

Searches watched registries for community legal skills, shows matches with descriptions and offers the full SKILL.md before anything is installed.

anthropics/claude-for-legal

How the reference commerce agents of either role are structured, covering the loop, where each rule lives, skills, the backend interface, delegates, and model fields.

anthropics/commerce-agents

Shows which contracts renew soon and when notice must be sent by, working from a maintained renewal register, and warns about missed cancellation windows.

anthropics/claude-for-legal

The reference merchant agent, covering its flows, staged changes and host approval, metrics grounding, the analysis delegate, store memory, components, and marketplace rules.

anthropics/commerce-agents

Guides building an MCP app: an MCP server that also serves interactive UI widgets such as forms, pickers and confirm dialogs, rendered inline in chat hosts like Claude and ChatGPT.

anthropics/claude-plugins-official

Write the weekly on-call handoff: everything the incoming on-call needs, triage-ready, posted to the channel at shift boundary.

anthropics/oncall-kit

Manages who can reach Claude through a Discord channel: approve pairing codes, edit the allowlist and set direct-message and group policy.

anthropics/claude-plugins-official

Saves a Telegram bot token for the Telegram channel plugin and reviews who may message the bot, steering the policy toward a fixed allowlist.

anthropics/claude-plugins-official

Builds a single-file HTML explorer with visual controls, a live preview and a copyable prompt, using one of six templates chosen to fit the topic.

anthropics/claude-plugins-official

The reference agents' cache-stable request assembly, covering the static system and per-request context split, the fixed tool list, the rolling conversation breakpoint, which config fields are…

anthropics/commerce-agents

Bundles a local MCP server together with its runtime into one installable file, so a user doesn't need Node or Python set up themselves.

anthropics/claude-plugins-official

Bootstrap a Claude-assisted on-call for this channel/repo: discover the available connectors, mine incident history into draft triage playbooks, interview the human for policy, validate against…

anthropics/oncall-kit