Adi Singh
@adi_singh133
cofounder @agentmail_to (yc s25) not ai for your email, we build email for your ai :) prev. @accel @flexcapital
After the last few months of building in public, I'm thrilled to share that AgentMail will officially be a part of the YC Summer 25 batch! I've been making a record of a few learnings that I wanted to attach here. Startups are all circumstantial, so please don't take this as…

deep research be helping us find websites doing pieces on us-- sum slight twin...
we’re vlogging all of YC S25 stay tuned for the first day…
For AI-native startups, the only moat left is distribution and domain knowledge. The next 9 days, we're kicking into overdrive- nothing will stop us from defining email for AI.
Three weeks ago, we started building an AI game engine. But some models kept making things look... sloppy. So we turned finding the best one into a game. In three weeks, that game grew to 35K+ users across 135 countries. Introducing @designarena_ai, the fastest-growing…
Currently in the YC office, overwhelmed ASF So much to do, so little time! It's a problem, but one my past self would be grateful to have. Take a deep breath and keep building my friends.
Our video editors are so great, I'm hiring an entire army. $500 for a referral. Let's go.
SF is beautiful. The last month, the realization that I live here now hasn’t set in yet. Every street you turn onto in dogpatch gives you a stunning look, when the batch ends- I’ll be really glad to be here for the foreseeable future.
Only in SF can you be walking down the street and meet other founders who like your product. Nice to meet ya! @adi_singh133 @michaelhyunkim
Have my email listed on my waitlist in case someone has a burning need. So awesome when people reach out directly.
An article I wrote the first draft of made it to Forbes today 🥹 Love you accounting forbes.com/councils/forbe…
Embedder (@embedderdev) is building the Cursor for embedded: upload data sheets, chat with agents, and generate production-level driver code in seconds. Congrats on the launch, @ethanmgibbs and @imbobwei! ycombinator.com/launches/Ny4-e…
Orange Slice (@orangesliceai) uses AI agents to find companies that already want to buy your product. Their agents scan the entire web 24/7 to deliver qualified leads with clear details to help you close deals faster. Congrats on the launch, @kishansripada & @vihaarnandigala!
Startup M&A’s have been more exciting than the NBA free agency this year
Cognition has signed a definitive agreement to acquire Windsurf. The acquisition includes Windsurf’s IP, product, trademark and brand, and strong business. Above all, it includes Windsurf’s world-class people, whom we’re privileged to welcome to our team. We are also honoring…
Does anyone here reserve a day for learning when building a startup? Have found it to be pretty effective. Today, I learned: -How to structure a pilot -Takeaways from the great MCP v. Comet debate -Edtech insights for an upcoming customer blog Interesting.
idk how the heck calendly is worth 3B but they should really use some of that money to acquire something like a @firefliesai or a @circlebackai