Recursos Digitales para Profesores de Computación: Gemini Finally Added The Feature Claude Users Love

Gemini just added Skills, and I've been waiting on this one. A skill is a saved recipe for a task you repeat, so you stop retyping the same prompt every week. I built a few this week, and this guide shows the easiest way to make yours.

- Kevin

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Gemini Guide

How We Used Gemini Skills To Answer Customer Emails In Seconds

Gemini Skills Are Finally Here video thumbnail

A small shop owner answers the same questions about shipping, returns, & delays all day. With a Gemini skill that holds her policy sheet & her writing style, each reply takes seconds, & every answer stays accurate.

Why Gemini Skills Work

A skill is a saved set of instructions Gemini follows the same way every time, so you get steady results without rewriting a prompt.

✅ Save a task once, then call it anytime with a forward slash
✅ Attach files like price sheets or policy docs so Gemini stops guessing
✅ Chain two skills in one chat, like a recap skill plus a writing-style skill
✅ Move skills between Gemini, ChatGPT, & Claude, since they download as simple files

How We Did It

Here's how we built a customer reply skill from scratch. If you answer the same kinds of messages every week, this could give you back hours, and it's easier than it looks.

1. Open Skills in your Gemini settings

Head to Settings & find Skills. You'll see three ways to start: 'Create with Gemini' (it interviews you), 'Create manually' (you type the name, description, & instructions), & 'Upload skill' (for files). Skills also live in the side panel in Gemini Spark, the more hands-on version of Gemini. We'll skip this page for now, since there's a faster route.

2. Describe the job in a normal chat

Open a new chat & tell Gemini what you want:

'Create a skill called Customer Reply. When I paste a customer email, draft a short, friendly answer that follows my returns & shipping policy.'

Gemini saves it as a skill & shows you what's inside. It won't be perfect on the first pass, so read the instructions & fix anything that's off.

3. Add your policy files

Every skill is built on a text file called skill.md (plain text with a little formatting), & it can carry other files along. Go to Settings, choose 'Upload skill', & drag in your skill.md plus your returns policy or a rates spreadsheet. Gemini fills in the title, description, & instructions. Hit 'Create'. Now every reply uses your real policy instead of a guess.

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Gemini Guide Continued

4. Teach it your voice

Replies should sound like you. If Gemini is connected to your Gmail, ask it to search your sent folder for three emails that capture your voice & format them so you can copy them all at once. Paste them into a new chat & ask for a 'Write Like Me' skill. It saves your openings, tone, sentence length, & closings. Write differently to clients, sponsors, or family? Make one skill for each.

5. Call both skills in a new chat

Start a new chat & type a forward slash. Pick 'Customer Reply', then add 'Write Like Me' the same way. Paste the customer's email, add a quick note like 'offer a refund', & send. No long prompt needed. Open the three-dot menu to send the result to a Gmail draft, then give it a read before you hit send. You stay in control, & replies that took minutes now take seconds.

6. Package up anything that already works

Had a long back-and-forth with Gemini that finally landed on a great result? Open that chat & say 'Package up everything we just did into a skill.' It works on old chats too, so you may already have a few worth saving.

Watch The Full Video →

Use Cases

If you repeat a task with the same inputs & a similar output, it's a skill waiting to happen. Here's where else it fits:

Marketing: Turn one launch brief into the same set of posts, in your brand voice every time

Teaching: Write student feedback in one steady format that follows your rubric file

Sales: Build quotes that pull prices from your rate sheet instead of memory

Hiring: Check every applicant against the same checklist & get a short summary back

Bonus Tips

Start from a chat that already worked: Finished a back-and-forth that nailed the result? Package it into a skill right then, while the details are fresh.

Only upload skills you trust: A skill file tells Gemini what to do, so stick to sources you know. Open the file & read it first if you can.

Reuse skills across tools & teammates: Skills download as files, so the same one can work in ChatGPT or Claude. Build it once, then share it with your team so everyone gets the same result.