grok-skills

In the author's own words, from each skill's SKILL.md — showing the first 30 of 195 files.

• 0-template

  Template for creating a new Agent Skill. Copy this folder, rename it to your skill's kebab-case name, and fill in every section. Use this as the starting point whenever you author a new skill for the AgentSkills library.

  skills/0-template/SKILL.md on GitHub (opens in a new tab)

• ab-test-analyzer

  Designs and analyzes A/B tests end-to-end — frames a sharp hypothesis, computes required sample size and test duration, runs significance tests (two-proportion z-test, Welch's t-test, chi-square), reports confidence intervals and lift, and flags common pitfalls like peeking, multiple comparisons, and Simpson's paradox. Use this skill when the user mentions A/B testing, split testing, experiment d…

  skills/ab-test-analyzer/SKILL.md on GitHub (opens in a new tab)

• academy-guide

  Stop and check this skill before finishing any reply to a question about how to use Claude or a Claude product — it recommends matching courses, tutorials, and use cases from Claude Academy (academy.claude.com), Anthropic's learning hub. Trigger on: "how do I", "how can I", "getting started with", "what can Claude do", "teach me", "learn to use"; questions about artifacts, projects, skills, plugi…

  skills/academy-guide/SKILL.md on GitHub (opens in a new tab)

• add-to-my-skills

  Copy a newly created skill from another repo into this catalog, refresh the README and generated manifests, then commit and push the change. Use when the user wants to bring a skill they built elsewhere into this repository.

  skills/add-to-my-skills/SKILL.md on GitHub (opens in a new tab)

• adr-author

  Authors Architecture Decision Records (ADRs) that capture context, considered options with trade-offs, the chosen decision, and its consequences. Use this skill when the user wants to write, draft, document, or revise an architecture decision, an ADR, a design decision record, a technical decision log, or asks "why did we choose X" / "we need to record this decision" / "document this trade-off" f…

  skills/adr-author/SKILL.md on GitHub (opens in a new tab)

• ai-tools-setup

  Set up, repair, and report on the RTK+ICM+Vox AI development toolkit. Installs missing tools, fixes broken hooks and MCP config, and shows an effectiveness digest (token savings, memory accumulation, voice health) on demand or as a scheduled weekly report.

  skills/ai-tools-setup/SKILL.md on GitHub (opens in a new tab)

• algorithmic-art

  Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.

  skills/algorithmic-art/SKILL.md on GitHub (opens in a new tab)

• api-and-interface-design

  Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing boundaries between frontend and backend.

  skills/api-and-interface-design/SKILL.md on GitHub (opens in a new tab)

• api-designer

  Designs clean, consistent REST and GraphQL APIs covering resource modeling, URL structure, versioning, pagination, filtering, error formats (RFC 9457 Problem Details), idempotency, authentication, rate limiting, and machine-readable contracts (OpenAPI 3.1 / GraphQL SDL). Use this skill when designing a new API or endpoint, reviewing an API design, choosing REST vs GraphQL, deciding on versioning…

  skills/api-designer/SKILL.md on GitHub (opens in a new tab)

• api-docs-writer

  Writes precise, complete reference documentation for HTTP/REST APIs and authors valid OpenAPI 3.1 specifications, including endpoint pages, request/response schemas, parameter tables, authentication, pagination, code samples, and error tables. Use this skill when the user asks to "document an API", "write API reference docs", "create an OpenAPI/Swagger spec", "document these endpoints", "write a…

  skills/api-docs-writer/SKILL.md on GitHub (opens in a new tab)

• apple-store-submit

  Handle Apple App Store rejection emails end-to-end: parse rejection reasons, create a fix plan, implement code changes (privacy strings, entitlements, sandbox), navigate App Store Connect to update metadata, and resubmit. Use when an app receives a rejection or when preparing a first-time submission.

  skills/apple-store-submit/SKILL.md on GitHub (opens in a new tab)

• aws-cost-optimizer

  Systematically reduces AWS cloud spend by right-sizing over-provisioned compute, finding and eliminating idle or orphaned resources, committing to Savings Plans and Reserved Instances, and enforcing cost-allocation tagging. Use this skill when the user asks to "reduce AWS bill", "optimize cloud costs", "find idle EC2/RDS/EBS", "right-size instances", "should I buy a Savings Plan or Reserved Insta…

  skills/aws-cost-optimizer/SKILL.md on GitHub (opens in a new tab)

• bash-script-hardening

  Writes robust, safe, shellcheck-clean Bash scripts using strict mode, defensive quoting, error traps, safe temp files, and signal handling. Use this skill when authoring or reviewing shell/Bash scripts, when asked to "harden a bash script", "add strict mode", "fix shellcheck warnings", "make this script safe", debug silent failures, unquoted-variable bugs, word-splitting/globbing issues, or to ad…

  skills/bash-script-hardening/SKILL.md on GitHub (opens in a new tab)

• blog-post-writer

  Writes engaging technical blog posts with a strong hook, clear structure, concrete examples, and a memorable takeaway. Use this skill when the user asks to "write a blog post", "draft an article", "turn this into a blog post", "write up a tutorial", "explain X in a post", "create a dev.to / Medium / Hashnode article", or wants help with an engineering blog, technical write-up, announcement post,…

  skills/blog-post-writer/SKILL.md on GitHub (opens in a new tab)

• book-summarizer

  Distills a book into a clear, faithful summary at the depth the reader wants — from a one-paragraph gist to chapter-by-chapter notes — surfacing the core thesis, key ideas, memorable examples, and actionable takeaways without distortion. Use this skill when a user asks to "summarize this book", "give me the key takeaways from X", "what's the main idea of X", "TL;DR of X", "chapter summary", or wa…

  skills/book-summarizer/SKILL.md on GitHub (opens in a new tab)

• branch-cleanup

  Prune stale git branches after a merge wave: delete closed/merged remote branches, remove local tracking branches that no longer exist on the remote, and optionally clean up local branches already merged to main. Use after running dependabot-triage, after a sprint wind-down, or when the user says "clean up branches", "prune branches", "delete merged branches", or "tidy up git".

  skills/branch-cleanup/SKILL.md on GitHub (opens in a new tab)

• brand-copy-landing

  Write conversion-focused landing and sales copy using the boring-marketer framework. Use for heroes, headlines, features, testimonials, pain framing, VoC, or requests to make marketing copy convert.

  skills/brand-copy-landing/SKILL.md on GitHub (opens in a new tab)

• brand-copy

  Write and review clear house-style product and marketing copy. Use for UI strings, buttons, labels, errors, onboarding, release notes, App Store copy, emails, or copy rewrites.

  skills/brand-copy/SKILL.md on GitHub (opens in a new tab)

• brand-design

  Design and review polished UI/UX using John's house playbook. Use for app or web screens, dashboards, layouts, components, typography, color, spacing, dark mode, motion, mobile patterns, or generic-looking UI.

  skills/brand-design/SKILL.md on GitHub (opens in a new tab)

• brand-guidelines

  Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

  skills/brand-guidelines/SKILL.md on GitHub (opens in a new tab)

• browser-testing-with-devtools

  Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network requests, profile performance, or verify visual output with real runtime data. Requires the chrome-devtools MCP server to be configured.

  skills/browser-testing-with-devtools/SKILL.md on GitHub (opens in a new tab)

• canvas-design

  Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

  skills/canvas-design/SKILL.md on GitHub (opens in a new tab)

• changelog-generator

  Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.

  skills/changelog-generator/SKILL.md on GitHub (opens in a new tab)

• changelog-keeper

  Maintains a CHANGELOG.md in the Keep a Changelog format with Semantic Versioning, grouping user-facing entries under Added/Changed/Deprecated/Removed/Fixed/Security and cutting dated releases from an Unreleased section. Use this skill when the user asks to "update the changelog", "add a changelog entry", "cut a release", "bump the version", "what changed since the last release", or to create/clea…

  skills/changelog-keeper/SKILL.md on GitHub (opens in a new tab)

• chart-chooser

  Selects the most appropriate chart type for a given dataset and analytical question, then produces a clean, honest, well-labeled visualization spec. Use this skill when a user asks "what chart should I use", "how should I visualize this data", "which graph fits", "make a chart for X", "is a pie chart right here", "how do I show change over time / comparison / distribution / correlation / part-to-…

  skills/chart-chooser/SKILL.md on GitHub (opens in a new tab)

• ci-cd-and-automation

  Automates CI/CD pipeline setup. Use when setting up or modifying build and deployment pipelines. Use when you need to automate quality gates, configure test runners in CI, or establish deployment strategies.

  skills/ci-cd-and-automation/SKILL.md on GitHub (opens in a new tab)

• ci-fix-loop

  Diagnose GitHub Actions CI failures in a loop: fetch the failing check logs, identify the root cause, apply a targeted fix, push, and wait for the next run: repeating until all checks are green or a real blocker needs a human. Use when CI is red after a push, when the user says "fix CI", "make tests pass", "diagnose CI failures", or "drive this to green". Direct analog of qodoloop / coderabbitloo…

  skills/ci-fix-loop/SKILL.md on GitHub (opens in a new tab)

• claude-api

  Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration. TRIGGER — read BEFORE opening the target file; don't skip because it "looks like a one-liner" — whenever: the prompt names Claude/Anthropic in any form (Claude, Anthropic, Fable, Opus, Sonnet, Haiku, `anthropic`, `@anthropic-ai`, `claude-*`, `us.an…

  skills/claude-api/SKILL.md on GitHub (opens in a new tab)

• cloudflare-block-countries

  Block specific countries via Cloudflare WAF Custom Rules using the Cloudflare API. Use when user wants to geo-block traffic, block countries in Cloudflare, set up WAF country rules, or mentions blocking regions. Handles both creating new rulesets and updating existing ones.

  skills/cloudflare-block-countries/SKILL.md on GitHub (opens in a new tab)

• code-review-and-quality

  Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human. Use when you need to assess code quality across multiple dimensions before it enters the main branch.

  skills/code-review-and-quality/SKILL.md on GitHub (opens in a new tab)

No skill matches that filter.

Similar skills

• reaby morluto Reverse engineer anything with agents, from app behavior down to native binaries. 416k stars · 5 skills
• superpowersby obra An agentic skills framework & software development methodology that works. 310k stars · 15 skills
• skillsby mattpocock Skills for Real Engineers. Straight from my .agents directory. 308k stars · 30 skills
• ECCby affaan-m The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Cod… 294k stars · 30 skills
• andrej-karpathy-skillsby multica-ai A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls. 228k stars · 1 skill
• skillsby anthropics Public repository for Agent Skills 186k stars · 19 skills