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Updated 2w ago

by samber

cc-skills

🧑 🎨 A collection of agentic skills that works

  • Multi-agent — Targets three or more agents
Works with
  • Claude
  • Codex
  • Cursor
  • Gemini
  • Copilot
  • OpenCode

232 GitHub stars (232)

+6 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +6 in total; the busiest day was Oct 7 with +2 stars.Oct 1: 0 starsOct 2: 0 starsOct 3: −1 starsOct 4: 0 starsOct 5: 0 starsOct 6: +1 starsOct 7: +2 starsOct 8: 0 starsOct 9: 0 starsOct 10: −1 starsOct 11: +1 starsOct 12: +1 starsOct 13: +1 starsOct 14: +1 starsOct 15: +1 starsOct 16: 0 stars
Stars gained between daily snapshots
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Oct 7+2
Oct 80
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Oct 10−1
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Oct 160
  • 21 skills (21 skills found in its SKILL.md files)
  • 17 forks (17 forks)
  • 2w ago last update (Last updated 2w ago)

Install

Skills CLI

npx skills add samber/cc-skills

Asks which skills and agents to install. Just one: npx skills add samber/cc-skills --skill chrome-extension — add -g for every project.

Claude Code

git clone https://github.com/samber/cc-skillscp -r "cc-skills/skills/chrome-extension" ~/.claude/skills/

Copies the chrome-extension skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add samber/cc-skills

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • chrome-extension

    Build Chrome extensions with Manifest V3. Use this skill whenever the user mentions Chrome extension, browser extension, manifest.json, content script, service worker (in extension context), popup, side panel, chrome.runtime, chrome.tabs, chrome.storage, chrome.scripting, or any Chrome extension API. Also trigger when the user wants to inject scripts into web pages, communicate between page and b…

    skills/chrome-extension/SKILL.md on GitHub (opens in a new tab)
  • conventional-git

    Conventional Commits v1.0.0 branch naming, worktree naming, and commit message standards for GitHub and GitLab projects. Use when creating branches, naming worktrees, writing commits, generating commit messages, reviewing branch conventions, or setting up changelog automation. Apply when your project needs consistent git history, SemVer-driven releases, parseable changelog generation, or automati…

    skills/conventional-git/SKILL.md on GitHub (opens in a new tab)
  • copywriting-cta

    Designs end-of-article CTAs — copy, layout, placement, A/B test plan, accessibility — for blog posts, newsletters, and essays. Use whenever the user asks to write, review, or improve a CTA at the bottom of an article; mentions "end-of-post CTA", "call-to-action", "signup box", "newsletter CTA", "subscribe block", or "what should I put at the bottom"; or asks how to turn readers into subscribers,…

    skills/copywriting-cta/SKILL.md on GitHub (opens in a new tab)
  • copywriting-hooks

    Writes opening hooks and post titles for long-form articles in EN or FR — blog posts, Substack/Medium/dev.to, LinkedIn long-form, newsletters, essays. Trigger whenever the user asks for a hook, opening, lede, intro, first sentence/paragraph, opener, accroche, attaque, phrase d'accroche, or première phrase — including punching up a flat intro or draft opening — or for a post title, titre d'article…

    skills/copywriting-hooks/SKILL.md on GitHub (opens in a new tab)
  • copywriting-prose-creator

    Codifies how a person or brand writes — lexicon, syntax, rhythm, structure, signature moves — into a PROSE.md guide, independent of emotional tone. Builds from SOUL.md and TONE.md, ports a guide to another channel, or reverse-engineers prose patterns from a corpus. Trigger on PROSE.md, writing style guide, prose guide, house style, ghostwriter style, writing playbook, banned words, sentence-lengt…

    skills/copywriting-prose-creator/SKILL.md on GitHub (opens in a new tab)
  • copywriting-tone-of-voice-creator

    Builds a brand tone of voice guide (TONE.md) — voice attributes with do's/don'ts, NN/g positioning, tone modulation matrix, lexicon, channel rules — for downstream content skills to consume. Also ports an existing TONE.md to a new channel (blog → LinkedIn, web → Twitter/X, in-product UI). Covers B2B SaaS, B2C/D2C, NGO, public sector, consulting, industrial, product-led, personal, and volunteering…

    skills/copywriting-tone-of-voice-creator/SKILL.md on GitHub (opens in a new tab)
  • crxjs

    CRXJS Chrome extension development — true HMR for popup, options, content scripts, side panels, manifest-driven builds, dynamic content script imports (`?script`, `?script&module`), and `defineManifest` for type-safe manifests. Uses Vite as its build tool. Use when the user mentions CRXJS, crxjs, @crxjs/vite-plugin, 'extension with hot reload', 'HMR for chrome extension', or wants to set up a CRX…

    skills/crxjs/SKILL.md on GitHub (opens in a new tab)
  • deep-research

    Deep research on any topic — broad parallel web searches, multi-source validation, confidence tracking, and a cited Markdown report. Use whenever the deliverable is a thorough sourced report rather than a quick answer: 'research <topic>', 'deep dive on X', 'analyze the landscape', 'competitive analysis', 'compare these options', 'who are the players in Z', 'literature review', 'background on Y',…

    skills/deep-research/SKILL.md on GitHub (opens in a new tab)
  • frontend-design-deslop

    Designs distinctive, non-generic UI — typography, OKLCH color, design tokens (DESIGN.md), layout, components, motion, dark mode, accessibility — for landing pages, SaaS apps, dashboards, ecommerce, decks, docs, portfolios, avoiding the AI-slop / Claude-esque default look. Use whenever building or styling any web frontend, app, dashboard, landing page, deck, or artifact, or when the user says "mak…

    skills/frontend-design-deslop/SKILL.md on GitHub (opens in a new tab)
  • humaniseur-fr

    Remove AI-writing patterns from French text and inject voice and personality. Use when editing, reviewing, or rewriting French content that reads like ChatGPT or Claude output. Detects and fixes 38 patterns: AI vocabulary (crucial, essentiel, notamment, dans le paysage), anglicisms from English-first models (faire du sens, adresser un problème), formulaic openings (À l'ère de, Dans un monde où),…

    skills/humaniseur-fr/SKILL.md on GitHub (opens in a new tab)
  • humanizer-en-asd-ste100

    Write or rewrite English into ASD-STE100 Simplified Technical English and strip AI artifacts (decorative emojis, Markdown residue) from technical documentation — maintenance manuals, procedures, medical device instructions, and API docs read by non-native speakers or machine translation. Enforces approved word meanings, technical noun and verb categories, the 20/25-word sentence limits, banned ve…

    skills/humanizer-en-asd-ste100/SKILL.md on GitHub (opens in a new tab)
  • influence-and-negotiation

    Influence and negotiation toolkit for any interaction needing another person's agreement, even when the user never says 'negotiation'. Covers B2B sales, salary reviews and raise asks, collective bargaining and unions, hard 1:1s, recruitment closes, cross-cultural deals, mediation, and diplomatic messages — declining, pushing back on scope, justifying a delay, raising a concern, getting alignment.…

    skills/influence-and-negotiation/SKILL.md on GitHub (opens in a new tab)
  • linkedin-ghostwriting

    B2B LinkedIn ghostwriting — hooks, post structures, and copywriting frameworks for conversion-focused posts. Use when the user wants to write LinkedIn content, create ghostwritten posts, ghostwrite for a founder or executive, or develop a B2B social strategy. Apply when the user shares a story, result, or insight and wants it turned into a post. Do NOT use for newsletter or Substack issues — use…

    skills/linkedin-ghostwriting/SKILL.md on GitHub (opens in a new tab)
  • press-release-writer

    Write professional press releases for any occasion, media type, and region. Use when the user wants to write, draft, or improve a press release, communiqué de presse, media announcement, or news release — including product launches, funding rounds, partnerships, crisis communications, executive hires, events, M&A, and open source milestones. Covers media targets (print, digital/wire, broadcast, s…

    skills/press-release-writer/SKILL.md on GitHub (opens in a new tab)
  • promql-cli

    CLI for querying Prometheus and PromQL-compatible engines (Thanos, Cortex, VictoriaMetrics, Grafana Mimir, Grafana Tempo...) — instant queries, range queries, metric discovery (metrics/labels/meta subcommands), output formats (table/csv/json/graph). Apply when executing PromQL queries, troubleshooting performance issues on a software having observability, investigating latency/error rates/saturat…

    skills/promql-cli/SKILL.md on GitHub (opens in a new tab)
  • site-launch-checklist

    Pre-launch checklist for shipping a new website or web app. Scope: analytics (GA4, PostHog, Google Search Console, Ahrefs), DNS, TLS and backups, legal and CNIL/GDPR compliance, security headers, SEO and GEO (robots.txt, sitemaps, llms.txt, hreflang, schema markup, keyword research), copywriting voice via TONE.md and a humanizer pass, OpenGraph and social previews, favicons and web manifest, Ligh…

    skills/site-launch-checklist/SKILL.md on GitHub (opens in a new tab)
  • skill-progressive-disclosure-design

    Decide how to split skill content between SKILL.md and reference files for context efficiency and reliable triggering. Use this whenever creating a new Claude skill, refactoring an existing one, or when a SKILL.md is growing past 300-400 lines. Also trigger when the user mentions "progressive disclosure", "reference files", "splitting skills", "skill bundling", "context window for skills", "SKILL…

    skills/skill-progressive-disclosure-design/SKILL.md on GitHub (opens in a new tab)
  • snyk-agent-scan-compliance

    Compliance expert for snyk-agent-scan — the agent skill file scanner — NOT for other Snyk CLI tools (snyk test, snyk code SAST, snyk iac, snyk container). Fixes alerts through content restructuring, never by suppressing or deleting information. Covers every file in a skill directory: SKILL.md, references/, assets/, and any secondary markdown. Apply when authoring a new skill, editing an existing…

    skills/snyk-agent-scan-compliance/SKILL.md on GitHub (opens in a new tab)
  • substack-ghostwriting

    Write, optimize, and grow Substack content — newsletter issues (email-first) and web posts (web-first essays). Covers voice matching, Substack algorithm and Notes strategy, email formatting, SEO, growth tactics, and paid-subscriber monetization. Use when the user mentions Substack, a newsletter issue, a Substack post or article, evergreen content, newsletter growth, Notes, paid subscribers, 'ghos…

    skills/substack-ghostwriting/SKILL.md on GitHub (opens in a new tab)
  • technical-article-writer

    Write technical articles and blog posts for developer audiences — tutorials, explainers, benchmarks, bug hunts, postmortems, and 'we rewrote it in X' posts — with title variants and developer-grade article structure. Use whenever the user asks to write a blog post, technical article, dev.to or Medium post, or any long-form technical content, including 'write about [technical topic]', 'turn this i…

    skills/technical-article-writer/SKILL.md on GitHub (opens in a new tab)
  • training-report

    Produce a professional training/workshop report as a .docx file. Use this skill whenever the user mentions "training report", "workshop report", "compte rendu", "compte rendu de formation", "formation report", "debriefing a workshop", "write up a training session", "résumé de formation", or any request to document a training session, workshop, or onboarding event with individual participant feedb…

    skills/training-report/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.