Jordan Singer
@jsngr
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ceo @mainframe
Joined April 2009
We're hosting a zero bullshit conference on evals & o11y for AI products. Trying to focus on ppl actually building stuff sharing learnings with each other. If you're building an AI product, would love to see you there!
Come to Trace, @braintrust's first user conference: * Feb 25, 2026 * California Academy of Sciences in SF * 500 AI builders * Eval workshops, demos, sessions from AI leaders No boring talks. Bring your laptop → https://t.co/eFkjC0Zh0l :)
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Today we’re announcing Doji Extension – the easiest way to try on products while browsing: - Try on clothes from any fashion website with @doji_com - Save to your Wishlist with a tap - Find similar items across thousands of brands Drop a comment for an invite
Introducing Doji Extension – try on products easily while browsing any fashion website, directly in Safari. Shop with quick try on, save to your wishlist and find similar items with a tap. Comment below for an invite.
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You can't bench press the ocean. But you can fight to stay alive. In theaters Friday.
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we've used @raindrop_ai at @mainframe for knowing what our agents are actually doing and how they're behaving in production proud to back and support this team since pre-seed, congrats!
earlier this year, we launched the first agent monitoring platform now, we are used by some of the fastest growing ai companies (@replit, @framer, @speak, @clay) and just raised a $15m seed round
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a direct result of learnings from these chats
we're exploring something @mainframe to help small teams. if you're at a <10 person company and down to chat with @jsngr and i about how you work... let me know :) you'll get our eternal gratitude and beta access down the road.
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Chevron’s AI platform APOLO is transforming shale operations, with up to 20% more accurate production forecasts. Learn how APOLO helps us make smarter, faster decisions.
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it now takes Apple longer to approve your app than it did for you to build it
New App: Ceremony - Find Matcha in NYC. Designed and built this in about 1 hour, but it took 2 days to get approved by Apple. No server, all local data (for now), no images (yet). Get the TestFlight and follow for updates.
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This is incredibly cool. Anthropic, OpenAI, and MCP-UI all working together on a common MCP Apps standard. This is going to be huge.
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I love this crossbody bag. It is large enough and small enough at the same time. It holds my full size wallet and sunglasses along with anything else that I might need. It isn’t bulky or heavy. It also fits in the Siena Rivera Tote.
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in chatting with small teams recently, their lightweight process has been inspiring - little to no meetings, generally just a Monday sync to kick the week off - little to no tracking in tools, often a shared living doc that says who’s doing what
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Hamas killed 1,200 innocent people on Oct. 7. Yet the world blames Israel. How does that make sense? Larry Elder explains why Israel’s survival is about more than borders—it’s about civilization itself. Watch the Full Video now.
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stealth is no longer viable in this attention economy it’s a cope for a lack of confidence or inability to execute
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we're exploring something @mainframe to help small teams. if you're at a <10 person company and down to chat with @jsngr and i about how you work... let me know :) you'll get our eternal gratitude and beta access down the road.
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Give a Christmas gift that inspires creativity and reduces screen time — the LED Note Board lets kids draw and write in glowing neon light while growing their imagination.
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great design in a product shows your users that you care and if you sweat those details, you’re likely to care in other places too
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