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🧑‍🎨 A collection of agentic skills that works

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최종 버전 다운로드 (.zip)

- plugin.json
- plugin.json
- - dependabot-automerge.yaml
  - lint.yml
  - publish-clawhub.yml
  - security-scan.yml
  - update-library-skill.yml
  - validate.yml
- dependabot.yml
- FUNDING.yml
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
- - SKILL.md
.gitignore
.markdownlint-cli2.jsonc
.prettierrc
CLAUDE.md
clawhub-publish.sh
EVALUATIONS.md
gemini-extension.json
LICENSE
README.md

// repository documentation

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# Agent Skills

AI agent skills are reusable instruction sets that extend your assistant with domain-specific expertise, loaded on demand so they don't bloat your context. This repository covers marketing and engineering skills authored by [@samber](https://github.com/samber).

For Golang-related skills, please visit [cc-skills-golang](https://github.com/samber/cc-skills-golang).

> [!IMPORTANT]
> Bootstrapped with Claude. **Edited, tested, reviewed and reworked by a human**.
>
> **No AI slop here.** AI-made skills are useless.

## 🚀 How to use?

**Install with [skills](https://skills.sh/) CLI** (universal, works with any [Agent Skills](https://agentskills.io)-compatible tool):

```bash
npx skills add https://github.com/samber/cc-skills --all
# or a single skill:
npx skills add https://github.com/samber/cc-skills --skill promql-cli
```

<details>
<summary>Claude Code</summary>

```bash
/plugin marketplace add samber/cc
/plugin install cc-skills@samber
```

</details>

<details>
<summary>Openclaw</summary>

Copy skills into the cross-client discovery directory:

```bash
git clone https://github.com/samber/cc-skills.git ~/.openclaw/skills/cc-skills
# or in workspace:
git clone https://github.com/samber/cc-skills.git ~/.openclaw/workspace/skills/cc-skills
```

</details>

<details>
<summary>Gemini CLI</summary>

```bash
gemini extensions install https://github.com/samber/cc-skills
```

Update with `gemini extensions update cc-skills`.

</details>

<details>
<summary>Cursor</summary>

Copy skills into the cross-client discovery directory:

```bash
git clone https://github.com/samber/cc-skills.git  ~/.cursor/skills/cc-skills
```

Cursor auto-discovers skills from `.agents/skills/` and `.cursor/skills/`.

</details>

<details>
<summary>Copilot</summary>

Copy skills into the cross-client discovery directory:

```bash
/plugin install https://github.com/samber/cc-skills
# or
git clone https://github.com/samber/cc-skills.git ~/.copilot/skills/cc-skills
```

Copilot auto-discovers skills from `.copilot/skills/`.

</details>

<details>
<summary>OpenCode</summary>

Copy skills into the cross-client discovery directory:

```bash
git clone https://github.com/samber/cc-skills.git ~/.agents/skills/cc-skills
```

OpenCode auto-discovers skills from `.agents/skills/`, `.opencode/skills/`, and `.claude/skills/`.

</details>

<details>
<summary>Codex (OpenAI)</summary>

Clone into the cross-client discovery path:

```bash
git clone https://github.com/samber/cc-skills.git ~/.agents/skills/cc-skills
```

Codex auto-discovers skills from `~/.agents/skills/` and `.agents/skills/`. Update with `cd ~/.agents/skills/cc-skills && git pull`.

</details>

<details>
<summary>Antigravity</summary>

Clone and symlink into the cross-client discovery path:

```bash
git clone https://github.com/samber/cc-skills.git ~/.antigravity/skills/cc-skills
```

Update with `cd ~/.antigravity/skills/cc-skills && git pull`.

</details>

## 🧩 Skills

These skills are designed as **atomic units, cross-referencing units**. A skill may reference conventions defined in another. Installing only a subset will give you a partial and potentially inconsistent view of the guidelines. For best results, install all general-purpose skills together.

Each skill lives in `skills/<name>/` with a `SKILL.md` entry point. The `SKILL.md` is kept small with internal references to advanced markdown files, so only the relevant content is loaded into context.

- **Description (tok)**: weight of the `description` field from YAML frontmatter, always loaded into Claude's context for skill triggering
- **SKILL.md (tok)**: weight of the full `SKILL.md` file loaded when the skill triggers
- **Directory (tok)**: weight of all files in the skill directory (SKILL.md + referenced markdown files)

```
                     ┌──────────────┐
                     │ Agent Skills │
                     └───────┬──────┘
                             │
          ┌──────────────────┴──────────┐
          │                             │
          ▼                             ▼
┌────────────────────────┐  ┌─────────────────────────────────────┐
│      Engineering       │  │        Marketing & Content          │
├────────────────────────┤  ├─────────────────────────────────────┤
│ conventional-git       │  │ linkedin-ghostwriting                │
│ promql-cli             │  │ press-release-writer                 │
│ chrome-extension       │  │ humaniseur-fr                        │
│ crxjs                  │  │ copywriting-hooks                    │
│ site-launch-checklist  │  │ copywriting-cta                      │
│ frontend-design-deslop │  │ copywriting-prose-creator            │
│                        │  │ copywriting-tone-of-voice-creator    │
└────────────────────────┘  └─────────────────────────────────────┘

┌──────────────────────────┐  ┌───────────────────────────┐  ┌─────────────────────────────────────┐
│   Developer Relations    │  │       Productivity        │  │                Meta                 │
├──────────────────────────┤  ├───────────────────────────┤  ├─────────────────────────────────────┤
│ technical-article-writer │  │ deep-research             │  │ snyk-agent-scan-compliance          │
│ substack-ghostwriting    │  │ influence-and-negotiation │  │ skill-progressive-disclosure-design │
│                          │  │ training-report           │  │                                     │
└──────────────────────────┘  └───────────────────────────┘  └─────────────────────────────────────┘
```

| Skill | Error rate gap | Description (tok) | SKILL.md (tok) | Directory (tok) |
| --- | --- | --- | --- | --- |
| `conventional-git` | -36% | 73 | 1,446 | 1,446 |
| `promql-cli` | -39% | 87 | 1,257 | 6,248 |
| `chrome-extension` | — | 137 | 3,909 | 36,173 |
| `crxjs` | — | 185 | 2,697 | 2,697 |
| `site-launch-checklist` | -59% | 198 | 7,784 | 17,896 |
| `frontend-design-deslop` | -28% | 220 | 3,947 | 41,234 |
| `linkedin-ghostwriting` | -31% | 87 | 1,045 | 1,993 |
| `substack-ghostwriting` | -51% | 205 | 3,315 | 10,720 |
| `technical-article-writer` | -33% | 147 | 2,755 | 6,197 |
| `press-release-writer` | -34% | 149 | 1,532 | 17,829 |
| `humaniseur-fr` | -14% | 249 | 5,895 | 5,895 |
| `snyk-agent-scan-compliance` | -27% | 144 | 1,904 | 5,612 |
| `training-report` | -61% | 179 | 2,392 | 8,222 |
| `deep-research` | -51% | 316 | 2,997 | 14,125 |
| `influence-and-negotiation` | -68% | 232 | 6,667 | 49,043 |
| `skill-progressive-disclosure-design` | -58% | 154 | 3,533 | 3,533 |
| `copywriting-hooks` | — | 213 | 6,764 | 13,508 |
| `copywriting-cta` | — | 229 | 2,937 | 14,475 |
| `copywriting-prose-creator` | — | 219 | 5,008 | 24,955 |
| `copywriting-tone-of-voice-creator` | — | 223 | 4,100 | 22,358 |

## 🧪 Skill evaluations

|             | With Skill | Without Skill | Delta     |
| ----------- | ---------- | ------------- | --------- |
| **Overall** | **98%**    | **50%**       | **+48pp** |

See [EVALUATIONS.md](./EVALUATIONS.md) for the full per-skill breakdown.

## 📖 Skills description

### Engineering

#### `chrome-extension`

Chrome Extension development with Manifest V3. Covers architecture, messaging, CSP, storage, permissions, content scripts, service workers, and Chrome Web Store publishing.

#### `conventional-git`

Conventional Commits v1.0.0 for branch naming, worktree naming, and commit messages. Keeps git history parseable for auto-changelogs, SemVer bumps, and issue closing.

#### `crxjs`

CRXJS Chrome extension development with Vite. True HMR for popup/options/content scripts/side panels, `defineManifest` for type-safe manifests, dynamic content script imports.

#### `frontend-design-deslop`

Strategy-first UI design for web frontends, apps, dashboards, and landing pages. Escapes AI-generated generic aesthetics (Inter + indigo + rounded cards) by committing to brand adjectives, then deriving a typography and color system, component state matrices, layout rhythm, motion, iconography, and dark mode. Produces a `DESIGN.md` design token contract.

#### `promql-cli`

CLI for querying Prometheus and PromQL-compatible engines (Thanos, Cortex, VictoriaMetrics, Mimir). Instant/range queries, metric discovery, table/csv/json/graph output.

### Marketing & Content

#### `copywriting-cta`

End-of-article CTA design. Interviews for objective, audience, and context, then produces copy + visual form + mechanism + A/B test plan + accessibility check.

#### `copywriting-hooks`

Opening hooks for long-form articles (blog posts, Substack, LinkedIn long-form, newsletters). Proposes 3-4 hooks with distinct psychological levers: curiosity, contrarian, scene, promise, authority.

#### `copywriting-prose-creator`

Codifies prose mechanics (lexicon, syntax, rhythm, structure) into a PROSE.md style guide. Three modes: BUILD fresh, ADAPT to new channel, AUDIT a corpus. For content factories, ghostwriting teams, house style guides.

#### `copywriting-tone-of-voice-creator`

Builds brand tone of voice guides (TONE.md) with voice attributes, modulation matrix, lexicon, and channel rules. Create from scratch or adapt to a new channel. For B2B, B2C, NGO, public sector, personal brands.

#### `humaniseur-fr`

Removes AI-writing patterns from French text. Detects and fixes 27 patterns: AI vocabulary, anglicisms, formulaic openings, em dash abuse, sycophantic tone, typographic tells.

#### `linkedin-ghostwriting`

B2B LinkedIn ghostwriting via strategic interview, hook engineering, and post body. Turns founder stories and results into conversion-focused posts.

#### `press-release-writer`

Professional press releases for any occasion and region. Product launches, funding, partnerships, crisis, M&A, events. Region-specific conventions (Europe, Americas, Asia, etc.).

#### `site-launch-checklist`

Pre-launch checklist for shipping a website. Analytics (GA4, PostHog, GSC), legal, security headers, SEO/GEO, copywriting pass, OpenGraph, favicons, Lighthouse, accessibility. Opinionated for Cloudflare + Vercel.

### Developer Relations

#### `substack-ghostwriting`

Write, optimize, and grow Substack newsletters and articles. Covers topic selection, headline optimization, SEO, and audience building.

#### `technical-article-writer`

Technical articles and blog posts for senior developers. Opinionated, practical, example-driven content that teaches something or saves time.

### Productivity

#### `deep-research`

Deep research with parallel web searches, multi-source validation, and cited Markdown reports. 11 research types: market, competitive, technical, academic, financial, legal, trend, community, and more.

#### `influence-and-negotiation`

Negotiation and influence toolkit for any interaction requiring agreement. B2B sales, salary, collective bargaining, hard 1:1s, recruitment, cross-cultural deals. Preparation, live coaching, and diplomatic drafting.

#### `training-report`

Generates structured training reports from session data. Tracks progress, skills acquired, and outcomes.

### Meta

#### `skill-progressive-disclosure-design`

Design patterns for skill progressive disclosure. Structures skill content for lazy loading so only relevant sections enter context.

#### `snyk-agent-scan-compliance`

Compliance expert for snyk-agent-scan. Validates security scan configurations and ensures compliance with organizational policies.

## 🎯 Tuning Skill Triggers

If a skill triggers too often or not often enough, please [open an issue](https://github.com/samber/cc-skills/issues) suggesting a description change. The `description` field in SKILL.md frontmatter is the primary triggering mechanism: small wording adjustments can significantly improve trigger accuracy. Some `SKILL.md` might have a `When to use` section which is another level of exclusion. Finally, `SKILL.md` is an entrypoint for lazy loading references with deep knowledge located in `references/`.

## 🔄 Overlap

If your team has its own conventions, create a company skill and declare the override explicitly near the top of its body: `This skill supersedes samber/cc-skills@git-convention skill for [company] projects.`

## ✍️ Contribute

- **100 tokens per skill description** - what? when to use this skill?
- **1.000–2.500 tokens per SKILL.md** — keep the main file focused on essentials
- **Use secondary markdown files for depth** — reference them from SKILL.md with relative links (e.g., `[Logging](./logging.md)`). Claude reads these on demand when the topic is relevant, so they don't count against the context budget until needed
- **Up to 10.000 tokens** for full skill and secondary files
- **2–4 skills loaded simultaneously** in a typical session — design skills to coexist
- **Stay below ~10k tokens of total loaded SKILL.md** anytime to avoid degrading response quality

For more guidelines, please check `CLAUDE.md`.

## 💫 Fuel the Revolution

- ⭐️ **Star this repo** - Your star powers the caffeine engine!
- ☕️ **Buy me a coffee** - I'll literally use it to build more skills while drinking actual coffee

[![GitHub Sponsors](https://img.shields.io/github/sponsors/samber?style=for-the-badge)](https://github.com/sponsors/samber)

## 📝 License

This project is under [MIT](./LICENSE) license.

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