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mcp/skillhub

Agent Skill

Turnstile Spin skill

turnstile-spincloudflare/skillsskills/turnstile-spin/SKILL.md

Set up, repair, or migrate to Cloudflare Turnstile bot verification in an existing frontend and backend, including server-side Siteverify.

3.1kApache-2.0

always on

33 tokname + description

once used

6,533 tokSKILL.md body

bundled files

135 scripts

installs

89kskills.sh

Install the Turnstile Spin skill

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

npx skills add https://github.com/cloudflare/skills --skill turnstile-spin

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/cloudflare/skills.git /tmp/skills
mkdir -p ~/.claude/skills
cp -R /tmp/skills/skills/turnstile-spin ~/.claude/skills/turnstile-spin

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 description33 tok
When the agent uses itThe SKILL.md instructions6,533 tok
Only if opened13 bundled files (64 KB)varies

Until it is used, turnstile-spin costs about 41× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 19 skills from cloudflare/skills would load 799 tokens of descriptions. Skills vs MCP study

Checks

  • Ships scripts the agent can run. Read them before installing.
  • The instructions are over 5,000 tokens, the Agent Skills specification's guideline for SKILL.md.

Checked 2026-10-22 · method

What's inside

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

  • Turnstile Spin skill
  • Framework references
  • When to load this skill
  • Choose the flow before responding
  • Conversation flow
  • Things you must NOT do
  • Hard scope boundary: DO NOT ask the user about
  • Existing-widget flow: retrieve and store the secret without chat
  • The frontend-edit contract
  • Migrating from another CAPTCHA
  • Edge cases

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