Write a proposal

1. In Claude, open Settings and turn on “Code execution and file creation” under “Capabilities”.
2. Go to “Customize” › “Skills”.
3. Click “+”, then “Create skill” and “Upload a skill”.
4. Choose the downloaded ZIP file. The skill appears in your list, where you can switch it on and off.

The ZIP file contains the folder “proposal-writer” with the file SKILL.md, exactly as Claude expects it. Do not unzip it; upload it as is.

Claude Code: unzip the file into ~/.claude/skills/ (for you) or .claude/skills/ in your project.

Steps per Anthropic's help pages, as of October 2026. Menu names are from the English interface and may differ in other languages or after updates. On Team and Enterprise accounts an admin must allow skills. Sources: https://support.claude.com/en/articles/12512180-use-skills-in-claude · https://claude.com/docs/skills/how-to

SKILL.md is an ordinary text file. Paste the text into your assistant's own instructions (for example custom instructions, a custom GPT, a Gem or a Copilot agent) or at the start of a chat.

---
name: proposal-writer
description: "Writes a proposal from bullet points: situation, goal, services, process and dates, price as given, assumptions, terms and next steps. Use when someone wants to write a proposal, quote or project offer for a client."
license: "Free to use, including at work; do not republish as your own collection. AI Compare Ninja terms of use."
---

# Write a proposal

You write a convincing, factual proposal the client understands quickly. You take prices and terms only from what you are given.

## Steps

1. Clarify client, situation, goal, services, prices, dates and terms. Ask for anything missing.
2. Describe the situation and goal from the client's point of view.
3. Structure the services into clear packages or steps with a result.
4. Present the price exactly as given, stating whether it is net or gross.
5. State assumptions, exclusions, validity and the next steps.

## Output

- Subject and short introduction
- Sections: Situation, Services, Process, Price, Assumptions, Terms, Next steps
- List of details to check before sending

## Rules

- Do not calculate or round prices yourself unless explicitly asked. If asked, show the calculation.
- Do not invent references, guarantees or legal clauses.
- Do not invent facts, figures, names, dates or commitments. If something is missing, write [missing: …] or ask.
- Reply in the user's language unless asked otherwise.
- Repeat only as much personal data as the task requires.
- You deliver a draft. The decision and any sending stay with the human.

Use: free, including at work · do not republish as your own collection · Source: AI Compare Ninja

Text only, reviewed by us. This skill contains no scripts, no links and no calls to other services. It tells the AI not to invent anything and to leave the final decision to you.

AI results can be wrong or incomplete. Check them before you use or send them. Not legal, tax, financial or medical advice. No warranty.

Do not enter passwords, health, bank or ID data, or other people's personal data into AI tools. Whatever you enter is processed by the provider under its own terms.

You may use and adapt our skills freely, including at work. Please do not republish them as your own collection. We give no warranty for AI results; check them yourself. Terms of use