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How to try an agent skill without installing it with Skills

Generate a skill prompt or launch a supported agent with a skill for a one-time run.

Authorization notice. Skills is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Remote script. Using a skill with --agent launches a coding agent with that skill's instructions, so review the printed prompt first when the source is unfamiliar.

Who it is forA developer who wants to test a skill's effect on a task before deciding whether to keep it in the project.

The problemInstalling a skill just to see what it does adds files to a project that you may later need to clean up.

The outcomeYou get the skill's prompt printed to the terminal, or a supported coding agent starts with the skill loaded, and nothing is installed.

What you need first

  • Node.js 22.20 or later
  • A terminal opened in your project folder
  • A supported coding agent installed on your machine, such as Claude Code, Codex, or Cursor

Steps

  1. Confirm Node.js 22.20 or later is installed.
  2. Run npx skills use vercel-labs/agent-skills@web-design-guidelines --agent claude-code to launch Claude Code with the skill.
  3. To only view the prompt, run npx skills use vercel-labs/agent-skills@web-design-guidelines without the --agent option.
  4. Read the printed or loaded prompt before you act on its output.

Prompt for your agent

Run the vercel-labs/skills CLI to print the prompt for the <skill name> skill from <source repo>, without the --agent option. Report the first five lines of the prompt and confirm that no skill was installed into the project.

Caveat. The README documents launching only supported coding agents with --agent, so confirm your agent is on the supported list in docs/agents.md before you run it.

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Disclaimer

Deduped lists open-source repositories that belong to other people. We do not own, maintain, audit, or vouch for any of them, and a repo appearing here is not an endorsement or a safety check. The use cases, steps, and prompts are written by AI and may be incomplete, outdated, or just wrong. Where a use case is marked "Seen in the wild", we link to public posts where someone described something similar, but we have not verified those posts and the use case itself is still our AI's own write-up. Use all of this at your own risk. Only run code, commands, or agents on systems and accounts you are authorized to use, and read the code and every command before you run it, especially anything that touches credentials, files, or the network. Nothing here is professional, security, legal, or financial advice. All trademarks and project names belong to their respective owners, and their use here does not imply affiliation. Content is provided as is, without warranties of any kind. Found a mistake, a safety problem, or something you want removed? Email [email protected] and we will look at it promptly. Full disclaimer page