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Worldwide. Most skills work in any country. Some are made for one country.

A$. Prices are shown in Australian dollars for now.

English. Trilly is in English.

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Essay Coach: Plan, Paraphrase, Reference · Free

Example: you ask your AI, add the Essay Coach: Plan, Paraphrase, Reference skill from Trilly. Your AI answers: Added Essay Coach: Plan, Paraphrase, Reference. Ask for it any time, and your AI uses it.

Link your AI once (the easiest way)

Link your AI

  1. Link

    Link ChatGPT to Trilly, once. See the steps

    What you need
    • ChatGPT on the web, at chatgpt.com.
    • OpenAI doesn't list which plans can. If you don't see Add custom MCP server, your plan can't link yet.
    • On a work account, your workspace's rules apply, so an admin may need to allow it.
    • Trilly hasn't tried linking from ChatGPT yet. The steps come from the app maker's own pages.
    • Can't link? Download skills and add them by hand
  2. Add

    Ask ChatGPT: "Add the Essay Coach: Plan, Paraphrase, Reference skill from Trilly".

  3. Ask

    Ask as you normally would.

Example: you ask your AI, add the Essay Coach: Plan, Paraphrase, Reference skill from Trilly. Your AI answers: Added Essay Coach: Plan, Paraphrase, Reference. Ask for it any time, and your AI uses it.

Safety and what it can reach

  • Reads and uses

    • Files you give itOnly the files you add to the chat.

  • Makes or changes

    • Files for youIt creates files for you to keep.

  • Never

    • Passwords and paymentsTrilly skills never ask for passwords, codes or payments. If this one does, stop and report it.

    • Running codeIt can't run code.

    • The internetIt doesn't use the internet.

    • Acting in your accountsIt can't act in your accounts.

Trilly checked this version for what it reads, creates and contacts.

See every check

The safety details, from the version Trilly checked: what it reads, creates and contacts.

The internet
It doesn't use the internet.
Runs code
No
Files
Reads files you give it, and creates or changes files
Tools in your AI app
None (no email, calendar or web tools)
Where your information goes
  • Essay question, source passages, paraphrase attempts and reference list: Stays in the chat; nothing is saved or shared Only what the student pastes is used; no files are opened
  • Study file headings: Subjects, Due dates, Marking guides, Referencing style: Read from the student's own study file; additions are saved only after a yes Only the four headings the job needs are read
Risk area
None

Or download it yourself

Adding a downloaded skill needs a computer. Using Gemini? Choose Show it to copy under Gemini. On a phone, link your AI instead, or email this page to yourself.

Which AI app will you use it with?

Pick your app to see how to add it, what you need, and a request to try once it's in.

Upload the .zip in ChatGPT's skills settings (your workspace must allow skill uploads), or use the ChatGPT Project version. Step-by-step: Trilly's ChatGPT guide.
Open the file and copy the text between the two marked lines into a ChatGPT Project's instructions. A copy won't update by itself, and Trilly can't count your use.

No download: copy it into a ChatGPT project.

Not tested in ChatGPT yet.

Log in to be told when it's tested in ChatGPT

Adding it to ChatGPT

What you need: To upload a skill: a ChatGPT Business, Enterprise, Healthcare or Edu plan, with skills and skill uploading allowed by your admin. For the plugin version: the ChatGPT desktop app or Codex. For a Project version: any signed-in ChatGPT account (file limits depend on your plan).

  1. Get the skill from Trilly. On the skill's Trilly page, press Add to my AI, choose ChatGPT and download the .zip.
  2. Open the Skills tab. In ChatGPT, open Plugins in the sidebar, then the Skills tab.
  3. Upload the skill. Choose Create, then Upload from your computer, and pick the .zip you downloaded.
  4. Wait for ChatGPT's check. ChatGPT scans every upload. If it says Needs Review or Blocked, your workspace's rules are holding it back. Ask your ChatGPT admin.
  5. Ask as normal. ChatGPT uses the skill when your request matches it. To choose it yourself, type @ and the skill's name.

Picked the copy-and-paste version? Follow the line under that choice instead.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type @ and choose the skill.

Full ChatGPT guide, and what to do if something goes wrong

Use a different app
Upload the .zip in Claude's skills settings (code execution must be on), or use the Claude Project version. Step-by-step: Trilly's Claude guide.
Open the file and copy the text between the two marked lines into a Claude Project's instructions. A copy won't update by itself, and Trilly can't count your use.

Tested in Claude.

Adding it to Claude

What you need: Any Claude plan, with Code execution and file creation turned on (Settings, Capabilities). On Team it's on unless an Owner turned it off. On Enterprise, an Owner turns it on. Add skills on claude.ai or in the desktop app: they then work on your phone too.

  1. Turn on code execution. In Claude, open Settings, then Capabilities, and turn on Code execution and file creation. On a Team or Enterprise plan, ask an Owner if you can't change it.
  2. Open your skills. Go to Customize, then Skills, on claude.ai or in the Claude desktop app.
  3. Upload the skill. Choose the + button, then Create skill, then Upload a skill. Pick the file you downloaded from Trilly, as it is: don't unzip it.
  4. Check it's turned on. The skill shows under Created by you. Make sure its switch is on. Claude only uses skills that are on.
  5. Ask Claude as normal. Claude picks the skill when your request matches its job. To choose it yourself, type / in the message box and pick the skill.

Picked the copy-and-paste version? Follow the line under that choice instead.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type / and choose the skill.

Full Claude guide, and what to do if something goes wrong

Upload the .zip in Gemini's skills settings (a personal Google account with activity saving on), or use the Gem version. Step-by-step: Trilly's Gemini guide.
For Gems, until they move to Settings on 17 November 2026 (business and non-profit accounts 1 March 2027, education 1 June 2027). Open the file and copy the text between the two marked lines into a Gem's instructions. A copy won't update by itself, and Trilly can't count your use.

No download: copy it into Gemini.

Not tested in Gemini yet.

Adding it to Gemini

What you need: A personal Google account, aged 18 or over, with Keep Activity turned on. No paid plan needed. Skills work in the Gemini web app, the Mac app and the mobile app. Google is rolling skills out gradually, so some accounts may not see Skills yet. Work and school (Google Workspace) accounts get skills in the Gemini app from 13 October 2026, rolling out until mid-November.

  1. Get the skill from Trilly. On the skill's Trilly page, press Add to my AI, choose Gemini and download the .zip. Trilly makes it for Gemini, with SKILL.md at the top as Google asks, so upload it as it is.
  2. Open Skills in Gemini. Go to gemini.google.com. On the sidebar, click Customize (if you don't see it, click More first). At the top, click Skills.
  3. Upload it. At the top, click Upload, choose the .zip, then click Open.
  4. Check and create. Gemini shows the skill's name, description and instructions. Check them, then click Create at the top.
  5. Use it. In a chat, type / (or @) and choose the skill, or just ask. Gemini also uses active skills by itself when they fit.

Picked the copy-and-paste version? Follow the line under that choice instead.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type / (or @) and choose the skill.

Full Gemini guide, and what to do if something goes wrong

For technical users

Claude Code, Codex, Cursor and GitHub Copilot, and plugins: folders and terminal commands.

Unzip into your Claude Code skills folder, so you have ~/.claude/skills/coaching-essay-writing/SKILL.md. Step-by-step: Trilly's Claude Code guide.
For teams whose admin only allows plugins. Unzip it, then in Claude Code: /plugin marketplace add <the folder>, then /plugin install <skill name>@trilly-<skill name>.

Not tested in Claude Code yet.

Adding it to Claude Code

What you need: Claude Code installed and signed in: in the terminal, the desktop app's Code tab or your code editor. Any plan that includes Claude Code. Your organisation's managed settings can block standalone skills or limit which plugin marketplaces you can add.

  1. Download and unzip the skill. On the skill's Trilly page, press Add to my AI, choose Claude Code and download the .zip. Unzip it. You get one folder, named after the skill, with SKILL.md inside.
  2. Choose who should have it. Just you, in every project: your personal skills folder, ~/.claude/skills. Everyone on one project: .claude/skills inside that project's folder.
  3. Move the folder in. Move the whole folder in, so you end up with ~/.claude/skills/skill-name/SKILL.md. Create the skills folder if it isn't there. Don't rename the skill's folder.
  4. Start using it. Claude Code notices new skills while it runs. If you had to create the skills folder itself, restart Claude Code once.
  5. Ask as normal, or call it by name. Claude Code uses the skill when your request matches its description. To use it on purpose, type / followed by the skill's name.

Picked the copy-and-paste version? Follow the line under that choice instead.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type / and choose the skill.

Full Claude Code guide, and what to do if something goes wrong

Unzip into your Codex skills folder, so you have ~/.agents/skills/coaching-essay-writing/SKILL.md. Step-by-step: Trilly's Codex guide.
For the ChatGPT desktop app and Codex. Unzip it, run codex plugin marketplace add <the folder>, then install it from the Plugins Directory.

Not tested in Codex yet.

Adding it to Codex

What you need: Codex, signed in: the command-line tool, the editor extension or Codex in the ChatGPT desktop app. Standalone skills work in all three. Plugins work in the command-line tool and the desktop app, but not in the editor extension.

  1. Download and unzip the skill. On the skill's Trilly page, press Add to my AI, choose Codex and download the .zip. Unzip it. You get one folder, named after the skill, with SKILL.md inside.
  2. Choose who should have it. Just you, in every project: ~/.agents/skills in your home folder. Everyone on one project: .agents/skills inside that project.
  3. Move the folder in. Move the whole folder in, so you end up with ~/.agents/skills/skill-name/SKILL.md. Create the skills folder if it isn't there. Don't rename the skill's folder.
  4. Check Codex sees it. Codex notices skill changes by itself. If the skill doesn't show up, restart Codex. Type /skills to see the list.
  5. Ask as normal, or call it by name. Codex uses the skill when your request matches it. To use it on purpose, type $ followed by the skill's name.

Picked the copy-and-paste version? Follow the line under that choice instead.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type $ and the skill's name.

Full Codex guide, and what to do if something goes wrong

Unzip into your Cursor skills folder (~/.cursor/skills/). Step-by-step: Trilly's Cursor guide.

Not tested in Cursor yet.

Adding it to Cursor

What you need: Cursor installed. Skills are used by Cursor's Agent. For Cloud Agents, the skill must be in ~/.cursor/skills with sync turned on.

  1. Download and unzip the skill. On the skill's Trilly page, press Add to my AI, choose Cursor and download the .zip. Unzip it to get one folder with SKILL.md inside.
  2. Choose where it goes. Every project, Cloud Agents included: ~/.cursor/skills in your home folder. One project only: .cursor/skills inside that project.
  3. Move the folder in. Move the whole folder in, so you end up with ~/.cursor/skills/skill-name/SKILL.md. Create the skills folder if it isn't there. Don't rename the folder: its name must match the name inside SKILL.md.
  4. Restart Cursor. Cursor looks for skills when it starts, so restart it after adding a skill.
  5. Use it in Agent chat. Ask the Agent as normal and it uses the skill when it fits. To use it on purpose, type / in Agent chat and search for the skill's name.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type / and choose the skill.

Full Cursor guide, and what to do if something goes wrong

Unzip into your GitHub Copilot skills folder (~/.copilot/skills/ or ~/.agents/skills/). Step-by-step: Trilly's GitHub Copilot guide.

Not tested in GitHub Copilot yet.

Adding it to GitHub Copilot

What you need: GitHub Copilot in VS Code, a JetBrains IDE, Copilot CLI, the GitHub Copilot app or the cloud agent. Your organisation can block standalone skills with a VS Code policy, and On Copilot Business and Enterprise, MCP servers stay off until an admin turns them on.

  1. Download and unzip the skill. On the skill's Trilly page, press Add to my AI, choose GitHub Copilot and download the .zip. Unzip it to get one folder with SKILL.md inside.
  2. Choose who should have it. Just you: ~/.copilot/skills in your home folder (~/.agents/skills works too). Everyone on a repository: .github/skills in that repository (.agents/skills or .claude/skills work too).
  3. Move the folder in. Move the whole folder in, so you end up with ~/.copilot/skills/skill-name/SKILL.md. Don't rename the folder: VS Code quietly skips a skill whose name doesn't match its folder.
  4. Ask as normal, or call it by name. Copilot uses the skill when your request matches it. In VS Code, type / in chat and pick the skill, or type /skills to see and manage your skills.

Check it worked. Start a new chat and ask:

"how do I plan this essay: 'To what extent should cities restrict cars downtown?' 2,000 words, due in two weeks"

A working copy starts its answer with ESSAY COACH.

If it doesn't use the skill, type / and choose the skill.

Full GitHub Copilot guide, and what to do if something goes wrong

For the ChatGPT desktop app and Codex. Unzip it, run codex plugin marketplace add <the folder>, then install it from the Plugins Directory.

Not tested in ChatGPT yet.

Log in to be told when it's tested in ChatGPT

What's in your download

  • The skill, version 1.0.2, exactly as Trilly checked and approved it.
  • A small trilly folder. After a task, it asks your AI to tell Trilly how it went: used, done, thumbs up or down. Only if you say yes, and never what you asked or what the AI wrote. That's how every skill gets honest numbers.
  • A list of every file, signed by Trilly, so a changed copy is easy to spot.
  • A plugin holds the same skill, for apps or teams that only allow plugins.
  • A copy-and-paste version is the skill's instructions as text, for apps that can't take the skill. It won't update by itself, and it isn't counted in the skill's numbers.
  • A downloaded copy doesn't update by itself. Signed in, My skills tells you when there's a new version.
  • You're not signed in, so this copy won't be linked to an account. Sign in to keep a record.
  • Your copy is for you (or your team, if your plan says so). Please don't share, resell or publish its files. Your licence

Don't want it to report? Delete the trilly folder. The skill still works. More about your downloaded copy

Back to the skill

Added it? Check it's working: one request to try, and what to look for in each AI app.

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