Briefance

AI Brief & Proposal SaaS

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— About the project

A vertical AI SaaS for freelancers and small agencies. Turns chaotic client emails, Slack threads, and PDFs into structured project briefs with scope, timeline, budget, and a sendable proposal in three seconds. Streams output via Anthropic Claude, exports branded PDFs, and tracks when clients open them.

— Tech stack

Next.js 16 / React 19 / TypeScript / Supabase / Anthropic Claude / Vercel AI SDK

— Key features

01Streaming AI brief generation via Claude and Vercel AI SDK
02Branded PDF export with view tracking and acceptance flow
03Reusable templates with variable substitution and team sharing
04Lemon Squeezy billing with tiered quotas via Upstash Redis

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— Live project

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— Next step

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SaaS·2026