Agent Skill

Vercel Composition Patterns skill

vercel-composition-patternsvercel-labs/agent-skillsskills/composition-patterns/SKILL.md

React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.

33kMIT

always on

58 tokname + description

once used

532 tokSKILL.md body

bundled files

1346 KB

installs

411kskills.sh

Install the Vercel Composition Patterns skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/vercel-labs/agent-skills --skill vercel-composition-patterns

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/vercel-labs/agent-skills.git /tmp/agent-skills
mkdir -p ~/.claude/skills
cp -R /tmp/agent-skills/skills/composition-patterns ~/.claude/skills/vercel-composition-patterns

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

When	What loads	Cost
Every session	Name and description	58 tok
When the agent uses it	The SKILL.md instructions	532 tok
Only if opened	13 bundled files (46 KB)	varies

Until it is used, vercel-composition-patterns costs about 23× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 9 skills from vercel-labs/agent-skills would load 623 tokens of descriptions. Skills vs MCP study

Checks

The name doesn't match its folder name, as the specification requires.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

React Composition Patterns
When to Apply
Rule Categories by Priority
Quick Reference
1. Component Architecture (HIGH)
2. State Management (MEDIUM)
3. Implementation Patterns (MEDIUM)
4. React 19 APIs (MEDIUM)
How to Use
Full Compiled Document

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