212 startup ideas from X's best builders, sorted so you don't have to dig.
I've got a billion dollar startup idea for ya Ad attribution tracking is a total disaster. Companies spend $1Ts of dollars blindly, not knowing if their ad spend is profitable with a positive ROAS. Cal AI paid Mr Beast $500k and was asked…
Startup idea for you Turn anthropic’s course into edutainment that feels like brain rot but is good for you (and your future) You could change lives and have fun. Similar to what @SmartNonsense has done. Just make it specific to Claude.
Someone should build this for Stock/Crypto portfolio live news, market moves, and real-time tracking of every stock I hold. shows which ones are getting impacted, how it affects my portfolio, and AI predicts what’s coming next with clear…
Disposable email, phone number and credit cards for AI agents so they can act on your behalf without messing up your real life. I feel this would be inevitable as we give our agents more autonomy on the web.
Startup idea: A protein focused café built around one goal: help people complete their daily protein target variety of super healthy, organic, heavy protein meals tailored to your needs. delivered home or just walk in. weekly or monthly…
Startup idea for you - linkedin for ai agents linkedin sold for $26.2b in 2016, what is the linkedin for ai agents worth in 2026? right now we have: - MCP registries (smithery, mcpt) → discover tools and servers - A2A agent cards →…
A chrome extension that looks at your recent chats with LLMs and pulls out a different, topical, relevant quote for you each time you open up a new tab. It’ll be a cute way to be aware of what historical figures had to say about your…
Startup idea for you: start an AI ads agency someone will make $50M+ in this space
Video KYC is basically cooked right now. almost every govt service depends on it and it's clearly broken now. build a real solution around this and govt. would happily pay in millions for it. distribution won't be a big problem as this is…
Facebook has 3B users. 16% use Marketplace monthly. That's 480M monthly users. 51% of ALL social media purchases happen there. People make their entire living flipping on Marketplace. Meanwhile: * eBay has thousands of apps (some acquired…
A Claude Code wrapper that goes line-by-line and module-by-module to explain the code and reasons behind it, plus also allowing you to intervene / comment at any level. Issue with vibe-coding is loss of control, which is inevitable when…
Startup idea: an app that allows you to take notes on the lock screen.
Startup Idea: mirrors that analyze your face and tell your 'vibe score' for the day.
Digital concierge that never clocks out Hotel managers waste HOURS answering the same questions over and over: - Breakfast times. - Restaurant recs. - Check-out rules. - Pool hours. Repetitive. Exhausting. Zero leverage. Here's the play: -…
Urban Company like service/app for hiring contractors for civil work. Almost everyone I know is troubled by the lack of professionalism and delays whenever they’re getting construction done. Any company that standardises this will become…
A social network where people submit questions or comments on a profile, an AI gathers all of them and does a long form podcast style conversation based on them to generate content that’s then posted on the profile as text, audio and video…
20 little "GPT wrapper" startup ideas someone should build
Startup idea: AI-powered meme studio that analyzes trends, creates viral memes, and auto-reposts them for creators and brands.
I've been digging into startup ideas that are obvious in hindsight but somehow still unbuilt And I've got a cash-flowing startup idea for you today... 84% of solo female travelers report feeling unsafe, yet every major travel platform…
Startup idea: AI for health or legal advice
I think there’s a short window of opportunity for a new social network that strictly and provably allows only human generated content. Zero AI slop. No bots. I don’t know how this will be done, but whoever figures it has a shot to be…
Reinvent textbooks. An e-ink based interactive book with AI integrated, where you learn via interactive exercises that you literally hand write an answer to and get immediate feedback from AI. Watching videos on a digital screen seems…
Startup idea: let people buy ad space on your twitter header
Startup idea: Airbnb for storage space - rent out your empty cupboard or parking lot for someone else's stuff
Startup idea: A to-do app where unfinished tasks turn into public tweets after 24 hours.
A natural language alert that scans the web daily and sends you whatever matches to it. (Google alerts on steroids) E.g. alert when a flight price reduces to X, or a new competitor crops up, or a new article in that highly specific field…
Startup idea: A gym membership where the monthly fee drops every time you show up and doubles when you skip.
Startup idea: A 24/7 virtual coworking space where you join live focus rooms and work with others in real time.
An AI that watches you work and constantly reminds how to use an AI to do the same job better (quality and efficiency wise). These days I need to remind myself that my speed and output is not blocked by tools but by my mindset.
Startup idea: an app that lets you invest in people you believe in - just like startups.