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Agent Skill

Developing Genkit JS skill

developing-genkit-jsgenkit-ai/skillsskills/developing-genkit-js/SKILL.md

Develop AI-powered applications using Genkit in Node.js/TypeScript. Use when the user asks about Genkit, AI agents, flows, or tools in JavaScript/TypeScript, or when encountering Genkit errors, validation issues, type errors, or API problems.

37

always on

60 tokname + description

once used

3,151 tokSKILL.md body

bundled files

20109 KB

installs

60kskills.sh

Install the Developing Genkit JS skill

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

npx skills add https://github.com/genkit-ai/skills --skill developing-genkit-js

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/genkit-ai/skills.git /tmp/skills
mkdir -p ~/.claude/skills
cp -R /tmp/skills/skills/developing-genkit-js ~/.claude/skills/developing-genkit-js

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.

WhenWhat loadsCost
Every sessionName and description60 tok
When the agent uses itThe SKILL.md instructions3,151 tok
Only if opened20 bundled files (109 KB)varies

Until it is used, developing-genkit-js costs about 23× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 4 skills from genkit-ai/skills would load 216 tokens of descriptions. Skills vs MCP study

Checks

Our checks found nothing to flag: it follows the Agent Skills specification's naming and size guidelines and doesn't pipe downloads into a shell.

Checked 2026-10-22 · method

What's inside

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

  • Genkit JS
  • Prerequisites
  • Hello World
  • Prompts (Dotprompt)
  • Agents (Beta)
  • Generative UI (A2UI)
  • Middleware
  • Observability
  • Critical: Do Not Trust Internal Knowledge
  • Error Troubleshooting Protocol
  • Development Workflow
  • Finding Documentation
  • CLI Usage (recommended)
  • References

More skills from genkit-ai/skills

All skills in this repo
  1. developing-genkit-dartgenkit-ai/skills

    Generates code and provides documentation for the Genkit Dart SDK. Use when the user asks to build AI agents in Dart, use Genkit flows, or integrate LLMs into Dart/Flutter applications.

    37 curl|sh47 tok idle · 3,309 in use
  2. developing-genkit-gogenkit-ai/skills

    Develop AI-powered applications using Genkit in Go. Use when the user asks to build AI features, agents, flows, or tools in Go using Genkit, or when working with Genkit Go code involving generation, prompts, streaming, tool calling, or model providers.

    37 curl|sh60 tok idle · 2,660 in use
  3. developing-genkit-pythongenkit-ai/skills

    Develop AI-powered applications using Genkit in Python. Use when the user asks about Genkit, AI agents, flows, or tools in Python, or when encountering Genkit errors, import issues, or API problems.

    3749 tok idle · 1,597 in use