ScopeCraft: Cinematic Proposals for Freelancers, Powered by Open-Weight AI A developer built ScopeCraft, an open-source web studio that converts rough client briefs into structured, nine-section project proposals using configurable open-weight language models such as Meta Llama 3.3 70B, Mistral NeMo and Qwen 2.5. The Vite and TypeScript app keeps inference keys server-side, exports proposals to PDF via jsPDF, runs in a no-key demo mode with three sample projects, and switches providers through environment variables without code changes. This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle https://dev.to/challenges/hacktoberfest-week2-2026-10-12 ScopeCraft is a cinematic, editorial-style web studio that turns rough client briefs into structured, persuasive project proposals using open-weight language models. It also protects freelancers from the problems that usually come after the proposal is signed. The problem: Freelancers lose money in two places. First, vague briefs hide risks: unclear hosting, missing assets, open-ended deadlines and fuzzy budgets. Second, once the project starts, "just one small change" requests quietly expand the scope for free. Who would pay for it: Solo developers, designers, brand consultants and small agencies who send proposals regularly. One avoided scope-creep dispute or one better-won project more than covers the cost of a tool like this. Core features: jsPDF across nine sections Executive Summary through Next Steps , with an ivory, charcoal and forest-green design and dynamic page numbering. The app includes three demo projects so the full workflow can be explored right away: a website redesign for an outfitter, a brand identity for a venture fund, and an e-commerce store for an artisan ceramics studio. Live app: https://scopecraft-cinematic-ai-freelancer-proposal-studi.ai.studio https://scopecraft-cinematic-ai-freelancer-proposal-studi.ai.studio The app works out of the box in a clearly labeled demo mode that needs no API key. Adding a free open-weight inference key switches it to live model output. https://github.com/veryVanshika801/ScopeCraft- https://github.com/veryVanshika801/ScopeCraft- Open-weight AI: ScopeCraft is designed around open-weight foundation models such as Meta Llama 3.3 70B, Mistral NeMo and Qwen 2.5. The inference provider is configurable through environment variables: llama-3.3-70b-versatile meta-llama/Llama-3.3-70B-Instruct meta-llama/Llama-3.3-70B-Instruct-Turbo Changing providers or models takes a few lines in .env.local , with no code changes OPEN WEIGHT PROVIDER , OPEN WEIGHT MODEL , OPEN WEIGHT BASE URL . Architecture: The frontend is built with Vite and TypeScript, with a lightweight server layer server.ts and an api/ directory that keeps the API key off the client. jsPDF handles the PDF export. The project is deployable to Vercel, and local setup is npm install && npm run dev . Design: Most freelancer tools look like generic dashboards. I wanted proposals to feel like a finished documentary piece, so I used editorial typography, a warm ivory and charcoal palette and forest-green accents. Freelancer briefs contain private client details, budgets and strategy. Open-weight models changed what I could build: A closed API would have tied the product's cost, behavior and privacy to someone else's decisions. Open innovation let me build a tool that freelancers can own and rely on.