# YC Roaster > Free AI-powered review tool for Y Combinator applications. Upload your YC application and get instant, detailed feedback scored across key dimensions. Built by Lobster Capital. ## What is YC Roaster? YC Roaster reviews your Y Combinator application using AI and gives you honest, actionable feedback. Your application is scored across dimensions like traction, team quality, market size, go-to-market strategy, scalability, and monetization. You get a detailed written review identifying strengths, weaknesses, and specific suggestions for improvement. It is completely free. ## How It Works 1. Upload your YC application (PDF, DOC, or DOCX) 2. AI reviews and scores your application across multiple dimensions 3. You receive detailed written feedback with strengths, risks, and improvement suggestions 4. Applications that show strong potential may be matched with a YC alumni reviewer for additional personalized feedback 5. Especially promising applicants may be invited for a 1-on-1 Zoom deep dive ## Who Is This For? - Founders applying to Y Combinator - Startup teams preparing or refining their YC application - Anyone who wants honest, structured feedback on their startup pitch before submitting to YC ## Frequently Asked Questions **What is YC Roaster?** A free AI-powered tool that reviews your Y Combinator application before you submit it. Built by Lobster Capital, a VC fund 100% focused on YC companies with $40M+ deployed across 100+ YC startups. **Is this really free?** Yes, completely free — no catch, no upsell. Lobster Capital built this to give back to the YC community and help more great companies get accepted. **How does YC Roaster work?** Upload your YC application (PDF or Word) and you'll receive AI-powered feedback shortly after submission, scored across 7 dimensions — including traction, team, market, and scalability. Applications that show strong potential get matched with a YC alumni reviewer for deeper, personalized feedback. **What kind of feedback will I get?** A scored evaluation across 7 dimensions with specific strengths, risks, and suggestions tailored to your application. It's not generic advice — the feedback is based on what's actually in your application. **Who built YC Roaster and why?** YC Roaster is built by Lobster Capital, a venture firm 100% focused on investing in YC companies. With 100+ YC companies in their portfolio, this is their way of helping more founders put their best application forward. Not affiliated with Y Combinator. **How is this different from asking ChatGPT to review my application?** YC Roaster is built by a team that invests exclusively in YC companies. The AI uses a purpose-built framework across 7 specific dimensions based on insights from reviewing hundreds of YC applications. Strong applications also get matched with real YC alumni reviewers — something no general-purpose AI can offer. **When should I submit my application?** As early as possible. The sooner you submit, the more time you have to get feedback, iterate, and strengthen your application before the YC deadline. **Will everyone get a Zoom call?** Everyone gets AI-powered written feedback. If you're matched with a YC alumni reviewer and they see strong potential, they may invite you for a 1-on-1 Zoom session. ## About YC Roaster is built by Lobster Capital, a venture firm that has invested $40M+ in 100+ Y Combinator startups. - Website: https://ycroaster.com - Lobster Capital: https://www.lobstercap.com - Twitter/X: @gjarrosson