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AI AgentsUpdated: 2026-09-10

AI Coding hands-on tutorial: from zero to your first runnable project

Step-by-step walkthrough of AI Coding with copy-paste commands, directory layout, and a first runnable artifact.

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Quick answer

What is the difference between Claude Code and Cursor rules file formats?

Both use CLAUDE.md or .cursorrules to pin hard constraints (stack, package manager, prohibitions). The file formats differ slightly — do not mix them.

Machine-readable page data: /data/ai-coding-tutorial.json

In-depth analysis

AI Coding (Vibe Coding) uses agents like Claude Code, Cursor, and v0 to assist development: first encode the hard constraints in a rules file, then let the model produce runnable code inside that controlled context. Going from zero to a first runnable project is about locking in the smallest end-to-end loop before you scale.

AI Coding · Config example
# .cursorrules / CLAUDE.md — hard constraints for the coding agent (context tightening)
stack: Astro + Tailwind v4 + Cloudflare Pages (output: static)
package: pnpm only, lockfile committed, --frozen-lockfile in CI
secrets: always use the placeholder <CF_API_TOKEN>, never paste real values into code or conversation
comments: no Chinese in code or comments

# One-command scaffold
npx create-astro@latest my-site --template minimal --no-install
cd my-site && pnpm install && pnpm dev
Best practices:Use the official scaffold to lock in a minimal loop, then add dependencies incrementally. Make the first commit ship a runnable artifact — never half-baked work into the main branch.
Pitfalls:Pasting real secrets into the conversation context leaks them via echo. A bloated context dilutes model attention. A rules file beats a long prompt — pin down stack, package manager, and prohibitions. Do not pile on configuration first. Get a minimal runnable sample working, then layer dependencies.

AI Coding Hands-on Tutorial · Key takeaways

  • Project initialized with the official scaffold
  • Dependencies pinned to a single pnpm lockfile
  • Local dev server starts and first paint is reachable
  • First runnable commit pushed

FAQ & pitfalls

What is the risk of pasting secrets into a prompt?

Secrets echo back through the conversation context and leak. Always use the placeholder <CF_API_TOKEN>; real values live only in the Cloudflare / Pages dashboard.

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What readers are asking

Questions that keep coming back in reader feedback, already answered.

  1. 01
    Why is my Astro component's interactivity not working?

    Components ship as zero-JS HTML by default, so an interactive one needs a client:* directive (client:load, client:visible, …). Without it the script is never bundled into the page.

    See the full guide →
  2. 02
    Why is my custom Tailwind v4 brand colour not applied?

    Colours must be declared in @theme (for example --color-brand). A missing @tailwindcss/vite plugin, or a leftover v3 config, makes bg-brand silently render nothing.

    See the full guide →
  3. 03
    Why are _headers / _redirects not taking effect?

    Both files must sit at the root of the output directory (dist/); anything under src/ is never uploaded. A purely static project should not add _worker.js either — that gives up the zero-cold-start advantage.

    See the full guide →
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