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AI agentsEasy1 weekendUnder $100Web appWeekend build

Proposal Writer

Paste a job post, get a tailored proposal in your own voice.

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The idea

Freelancers save their skills, past projects and writing samples once. For each job post, the agent writes a short, specific proposal that sounds like them.

Who it is for
Freelancers on marketplaces like Megalancer
How it makes money
Monthly subscription
Suggested stack
Next.js, MySQL, Tailwind, hosted on a small VPS
Launch cost
Under $100

Your first AI prompts

Paste these into Claude, Cursor or Lovable, in order. Check that each one works before moving on.

PROMPT 1 OF 3

Build a web app called Proposal Writer. A user fills out a profile: skills, rates, 3 past projects with results, and 2 writing samples.

PROMPT 2 OF 3

Add a New Proposal page. The user pastes a job post and the AI writes a proposal under 200 words that references the job details and their most relevant project, matching their writing style.

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PROMPT 3 OF 3

Save every proposal with the job title, let users mark Won or Lost, and show which openings and projects win most often.

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The 10 step playbook

  1. 01Claim your ideaPut your name on it and unlock every prompt and the full playbook. Always free.
  2. 02Domain and nameBrainstorm a short name, check the .com, and register it.
  3. 03Trademark basicsSearch for conflicts before you fall in love with the name.
  4. 04AI build kickoffPaste the prompts below into Claude, Cursor or Lovable, one at a time.
  5. 05Server and hostingPick a host and have your AI walk you through setup.
  6. 06Backend and dataLogins, database and payments, one prompt at a time.
  7. 07Frontend and designScreens, colors and a simple logo that look professional.
  8. 08Go livePut it online, then submit to the App Store and Google Play if it is a mobile app.
  9. 09Marketing planLaunch posts, local outreach and your first 100 users.
  10. 10Launch and growShip it and add your live link to earn the Shipped badge.
Your full playbook for Proposal WriterEvery step spelled out for this idea, with the exact prompts to paste into your AI.
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