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docs: add skills.sh marketplace documentation (v3.11.5)

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Added comprehensive documentation for skills.sh (Vercel Labs) marketplace:

Section 5.5 (Skills Marketplace):
- Installation instructions (npx add-skill <owner/repo>)
- Top skills by category (Frontend, Database, Auth, Testing)
- Format compatibility (100% compatible with .claude/skills/)
- Status & trade-offs (community project, early stage)

Section 11.3 (Skills Distribution Platforms):
- Comparison: skills.sh vs claude-code-templates vs SkillsMP
- When to use each platform (discovery, installation, team-specific)

Updated files:
- guide/ultimate-guide.md: New subsection Skills Marketplace (~line 5172)
- guide/ai-ecosystem.md: New section 11.3 Skills Distribution Platforms
- machine-readable/reference.yaml: Added 7 skills_marketplace_* entries
- README.md: Added skills.sh to Complementary Resources table
- CHANGELOG.md: Detailed entry for v3.11.5
- VERSION: Bumped to 3.11.5
- guide/cheatsheet.md: Version sync

Marketplace stats (Jan 23, 2026):
- 200+ skills available
- Top skill: vercel-react-best-practices (35K+ installs)
- 20+ agents supported (Claude Code, Cursor, Copilot, etc.)
- Launched: January 21, 2026 by Vercel Labs

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Florian BRUNIAUX 2026-01-23 18:21:15 +01:00
parent ca83f5a56d
commit 89eefea8ac
7 changed files with 197 additions and 9 deletions
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24
CHANGELOG.md
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@ -4,6 +4,30 @@ All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/). The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [3.11.5] - 2026-01-23
### Added
- **skills.sh marketplace documentation** (`guide/ultimate-guide.md:5172`, `guide/ai-ecosystem.md:1284`)
- New subsection in Section 5.5: "Skills Marketplace: skills.sh"
- Vercel Labs project (launched Jan 21, 2026): centralized skill discovery + one-command install
- 200+ skills, leaderboard with 35K+ installs (vercel-react-best-practices top skill)
- Format 100% compatible with `.claude/skills/` structure
- Installation: `npx add-skill <owner/repo>` → copies to `~/.claude/skills/`
- Supported agents: 20+ (Claude Code, Cursor, GitHub Copilot, Windsurf, etc.)
- Top skills by category: Frontend (vercel-react, web-design), Database (supabase-postgres), Auth (better-auth), Testing (TDD)
- Status documented: Community project (Vercel Labs, not official Anthropic), early stage
- Trade-offs: Centralized discovery vs GitHub distribution, multi-agent focus vs Claude Code specific
- Cross-reference added to `guide/ai-ecosystem.md` Section 11.3 (Skills Distribution Platforms)
- Complementary resources table updated in README.md
- YAML index entries:
- `skills_marketplace: 5172`
- `skills_marketplace_url: https://skills.sh/`
- `skills_marketplace_github: vercel-labs/agent-skills`
- `skills_marketplace_install: npx add-skill <owner/repo>`
- `skills_marketplace_top_skills` (5 entries with install counts)
- `skills_marketplace_status: Community (Vercel Labs), launched Jan 21, 2026`
## [3.11.4] - 2026-01-23 ## [3.11.4] - 2026-01-23
### Added ### Added

5
README.md
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@ -361,7 +361,7 @@ Claude Code sends your prompts, file contents, and MCP results to Anthropic serv
**Status**: Research preview (Pro $20/mo or Max $100-200/mo, macOS only, **VPN incompatible**) **Status**: Research preview (Pro $20/mo or Max $100-200/mo, macOS only, **VPN incompatible**)
**Archive**: Historical versions available in git history (pre-v3.11.4) **Archive**: Historical versions available in git history (pre-v3.11.5)
</details> </details>
@ -384,6 +384,7 @@ Claude Code sends your prompts, file contents, and MCP results to Anthropic serv
| Project | Focus | Best For | | Project | Focus | Best For |
|---------|-------|----------| |---------|-------|----------|
| [claude-code-templates](https://github.com/davila7/claude-code-templates) | **Distribution** - Install & use | Getting 200+ templates via CLI (17k⭐) | | [claude-code-templates](https://github.com/davila7/claude-code-templates) | **Distribution** - Install & use | Getting 200+ templates via CLI (17k⭐) |
| [skills.sh](https://skills.sh/) | **Skills marketplace** - Discover & install | One-command skill installation (`npx add-skill`) from Vercel Labs |
| [awesome-claude-code](https://github.com/hesreallyhim/awesome-claude-code) | **Curation** - Discover & link | Exploring community resources | | [awesome-claude-code](https://github.com/hesreallyhim/awesome-claude-code) | **Curation** - Discover & link | Exploring community resources |
| [Claude-Code-Everything](https://github.com/wesammustafa/Claude-Code-Everything) | **Visual walkthrough** | Learning through screenshots | | [Claude-Code-Everything](https://github.com/wesammustafa/Claude-Code-Everything) | **Visual walkthrough** | Learning through screenshots |
| [AI Coding Agents Matrix](https://coding-agents-matrix.dev) | **Technical comparison** | Comparing Claude Code vs 22+ alternatives | | [AI Coding Agents Matrix](https://coding-agents-matrix.dev) | **Technical comparison** | Comparing Claude Code vs 22+ alternatives |
@ -430,7 +431,7 @@ Licensed under [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/).
--- ---
*Version 3.11.4 | January 2026 | Crafted with Claude* *Version 3.11.5 | January 2026 | Crafted with Claude*
<!-- SEO Keywords --> <!-- SEO Keywords -->
<!-- claude code, claude code tutorial, anthropic cli, ai coding assistant, claude code mcp, <!-- claude code, claude code tutorial, anthropic cli, ai coding assistant, claude code mcp,

2
VERSION
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@ -1 +1 @@
3.11.4 3.11.5

61
guide/ai-ecosystem.md
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@ -1281,6 +1281,67 @@ External resources from experienced practitioners that validate and extend the p
--- ---
## 11.3 Skills Distribution Platforms
For discovering and distributing agent skills beyond local creation:
### skills.sh (Vercel Labs)
**URL**: [skills.sh](https://skills.sh/) | **GitHub**: [vercel-labs/agent-skills](https://github.com/vercel-labs/agent-skills) | **Launched**: January 21, 2026
**What it is**: Centralized marketplace for agent skills with one-command installation. Provides leaderboard, trending view, and 200+ skills from Vercel, Anthropic, Supabase, and community contributors.
**Installation**:
```bash
npx add-skill vercel-labs/agent-skills # React/Next.js (35K+ installs)
npx add-skill supabase/agent-skills # Postgres patterns
npx add-skill anthropics/skills # Frontend design + skill-creator
```
**Supported agents**: 20+ including Claude Code, Cursor, GitHub Copilot, Windsurf, Cline, Goose
**Status**: Community project (Vercel Labs), very recent (Jan 2026), rapid adoption but early stage
**Format**: 100% compatible with Claude Code's `.claude/skills/` structure (SKILL.md + YAML frontmatter)
### claude-code-templates (GitHub)
**URL**: [github.com/davila7/claude-code-templates](https://github.com/davila7/claude-code-templates) | **Stars**: 17K+
**What it is**: GitHub-based distribution of full workflows (agents + commands + hooks + skills). Focuses on complete project templates rather than individual skills.
**Installation**: Clone and copy templates manually
**Status**: Established community resource, broader scope than skills.sh (includes entire `.claude/` configurations)
### SkillsMP (Community Index)
**URL**: [skillsmp.com](https://skillsmp.com/)
**What it is**: Community-driven index of 7000+ skills with AI-evaluated rankings (S/A/B/C tiers)
**Focus**: Discovery and cataloging, broader ecosystem than just Claude Code
### When to Use
| Use Case | Platform |
|----------|----------|
| Discover popular framework skills | skills.sh (leaderboard) |
| One-command install official skills | skills.sh (Vercel React, Supabase) |
| Full workflow templates | claude-code-templates |
| Team-specific/internal skills | GitHub repos (custom) |
| Enterprise custom skills | Local `.claude/skills/` |
### Integration with This Guide
See [Section 5.5: Skills Marketplace](./ultimate-guide.md#skills-marketplace-skillssh) for:
- Detailed installation instructions
- Top skills by category (Frontend, Database, Auth, Testing)
- Format compatibility details
- Trade-offs and recommendations
---
## 12. Context Packing Tools ## 12. Context Packing Tools
When working with LLMs on large codebases, **context packing** refers to techniques for extracting and feeding relevant code context to the model efficiently. When working with LLMs on large codebases, **context packing** refers to techniques for extracting and feeding relevant code context to the model efficiently.

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guide/cheatsheet.md
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@ -6,7 +6,7 @@
**Written with**: Claude (Anthropic) **Written with**: Claude (Anthropic)
**Version**: 3.11.4 | **Last Updated**: January 2026 **Version**: 3.11.5 | **Last Updated**: January 2026
--- ---
@ -424,4 +424,4 @@ where.exe claude; claude doctor; claude mcp list
**Author**: Florian BRUNIAUX | [@Méthode Aristote](https://methode-aristote.fr) | Written with Claude **Author**: Florian BRUNIAUX | [@Méthode Aristote](https://methode-aristote.fr) | Written with Claude
*Last updated: January 2026 | Version 3.11.4* *Last updated: January 2026 | Version 3.11.5*

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guide/ultimate-guide.md
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@ -10,7 +10,7 @@
**Last updated**: January 2026 **Last updated**: January 2026
**Version**: 3.11.4 **Version**: 3.11.5
--- ---
@ -5169,6 +5169,95 @@ For comprehensive DevOps/SRE workflows, see **[DevOps & SRE Guide](./devops-sre.
**Quick Start**: [Agent Template](../examples/agents/devops-sre.md) | [CLAUDE.md Template](../examples/claude-md/devops-sre.md) **Quick Start**: [Agent Template](../examples/agents/devops-sre.md) | [CLAUDE.md Template](../examples/claude-md/devops-sre.md)
### Skills Marketplace: skills.sh
**URL**: [skills.sh](https://skills.sh/) | **GitHub**: [vercel-labs/agent-skills](https://github.com/vercel-labs/agent-skills) | **Launched**: January 21, 2026
Skills.sh (Vercel Labs) provides a centralized marketplace for discovering and installing agent skills with one-command installation:
```bash
npx add-skill vercel-labs/agent-skills # React/Next.js best practices (35K+ installs)
npx add-skill supabase/agent-skills # Postgres optimization patterns
npx add-skill anthropics/skills # Frontend design + skill-creator
```
#### How It Works
**Installation**: Skills are copied to `~/.claude/skills/` (same format as this guide)
**Supported agents**: 20+ including Claude Code, Cursor, GitHub Copilot, Windsurf, Cline, Goose, and others
**Format**: Standard SKILL.md with YAML frontmatter (100% compatible with Section 5.2-5.3)
#### Top Skills by Category (January 2026)
| Category | Top Skills | Installs | Creator |
|----------|-----------|----------|---------|
| **Frontend** | vercel-react-best-practices | 35K+ | vercel-labs |
| | web-design-guidelines | 26.6K | vercel-labs |
| | frontend-design | 5.6K | anthropics |
| **Database** | supabase-postgres-best-practices | 1K+ | supabase |
| **Auth** | better-auth-best-practices | 2K+ | better-auth |
| **Testing** | test-driven-development | 721 | obra |
| **Meta** | skill-creator | 3.2K | anthropics |
Full catalog: [skills.sh leaderboard](https://skills.sh/)
#### Status & Trade-offs
**Status**: Very recent (launched Jan 21, 2026), rapid adoption but early stage
**Governance**: Community project by Vercel Labs (not official Anthropic). Skills contributed by Vercel, Anthropic, Supabase, and community members.
**Trade-offs**:
- ✅ Centralized discovery + leaderboard (200+ skills)
- ✅ One-command install (vs manual GitHub clone)
- ✅ Format 100% compatible with this guide
- ⚠️ Multi-agent focus (not Claude Code specific)
- ⚠️ Early stage (maturity to prove over time)
#### When to Use
| Use Case | Recommendation |
|----------|----------------|
| **Discover popular patterns** | skills.sh (leaderboard, trending) |
| **Install official framework skills** | skills.sh (Vercel React, Supabase, etc.) |
| **Team-specific/internal skills** | GitHub repos (like [claude-code-templates](https://github.com/davila7/claude-code-templates), 17K⭐) |
| **Custom enterprise skills** | Local `.claude/skills/` (Section 5.2-5.3) |
#### Installation Examples
**Standard installation** (global, all Claude Code sessions):
```bash
# Install Vercel bundle (3 skills: react + web-design + deploy)
npx add-skill vercel-labs/agent-skills
# Install Supabase Postgres patterns
npx add-skill supabase/agent-skills
# Verify installation
ls ~/.claude/skills/
# Output: react-best-practices/ web-design-guidelines/ vercel-deploy/
```
**Manual installation** (project-specific):
```bash
# Clone from GitHub
git clone https://github.com/vercel-labs/agent-skills.git /tmp/agent-skills
# Copy specific skill
cp -r /tmp/agent-skills/react-best-practices .claude/skills/
# Claude Code auto-discovers skills in .claude/skills/
```
#### References
- [Vercel Changelog: Introducing Agent Skills](https://vercel.com/changelog/introducing-skills-the-open-agent-skills-ecosystem)
- [GitHub: vercel-labs/agent-skills](https://github.com/vercel-labs/agent-skills)
- [Platform Claude Docs: Skill Best Practices](https://platform.claude.com/docs/en/agents-and-tools/agent-skills/best-practices)
- See also: [AI Ecosystem Guide](./ai-ecosystem.md) for complementary tools
--- ---
# 6. Commands # 6. Commands
@ -13989,4 +14078,4 @@ Thumbs.db
**Contributions**: Issues and PRs welcome. **Contributions**: Issues and PRs welcome.
**Last updated**: January 2026 | **Version**: 3.11.4 **Last updated**: January 2026 | **Version**: 3.11.5

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machine-readable/reference.yaml
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@ -3,7 +3,7 @@
# Source: guide/ultimate-guide.md # Source: guide/ultimate-guide.md
# Purpose: Condensed index for LLMs to quickly answer user questions about Claude Code # Purpose: Condensed index for LLMs to quickly answer user questions about Claude Code
version: "3.11.4" version: "3.11.5"
updated: "2026-01-23" updated: "2026-01-23"
# ════════════════════════════════════════════════════════════════ # ════════════════════════════════════════════════════════════════
@ -108,6 +108,19 @@ deep_dive:
# Automatic skill generation (meta-skill) # Automatic skill generation (meta-skill)
claudeception: "https://github.com/blader/Claudeception" claudeception: "https://github.com/blader/Claudeception"
claudeception_guide: 5095 claudeception_guide: 5095
# Skills Marketplace (added 2026-01-23)
skills_marketplace: 5172
skills_marketplace_url: "https://skills.sh/"
skills_marketplace_github: "https://github.com/vercel-labs/agent-skills"
skills_marketplace_install: "npx add-skill <owner/repo>"
skills_marketplace_top_skills:
- "vercel-react-best-practices: 35K+ installs"
- "web-design-guidelines: 26.6K installs"
- "supabase-postgres-best-practices: 1K+ installs"
- "better-auth-best-practices: 2K+ installs"
- "test-driven-development: 721 installs"
skills_marketplace_status: "Community (Vercel Labs), launched Jan 21, 2026"
skills_marketplace_changelog: "https://vercel.com/changelog/introducing-skills-the-open-agent-skills-ecosystem"
# Verification Loops & Eval Harness (added 2026-01-23) # Verification Loops & Eval Harness (added 2026-01-23)
verification_loops: "guide/methodologies.md:145" verification_loops: "guide/methodologies.md:145"
verification_loops_source: "https://www.anthropic.com/engineering/claude-code-best-practices" verification_loops_source: "https://www.anthropic.com/engineering/claude-code-best-practices"
@ -550,7 +563,7 @@ ecosystem:
- "Cross-links modified → Update all 4 repos" - "Cross-links modified → Update all 4 repos"
history: history:
- date: "2026-01-20" - date: "2026-01-20"
event: "Code Landing sync v3.11.4, 66 templates, cross-links" event: "Code Landing sync v3.11.5, 66 templates, cross-links"
commit: "5b5ce62" commit: "5b5ce62"
- date: "2026-01-20" - date: "2026-01-20"
event: "Cowork Landing fix (paths, README, UI badges)" event: "Cowork Landing fix (paths, README, UI badges)"