wei-wei
@wuweiweiwu
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building ai agents for qa @momenticai (yc w24, ai grant batch 3)
sf
Joined February 2018
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no heating or health insurance but demo day is 5 days away
help us hit 10k$ mrr
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Ecstatic to officially launch as a
@ycombinator
company!
We've been heads down for the past couple of weeks in batch and can't wait to show you what we've built!
@MomenticAI
's on a mission to make testing easy and fast for developers 🚀
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Pretty psyched to announce that
@MomenticAI
got accepted to the Y Combinator W24 batch!
Together, we're developing cutting-edge web agents to test web apps end-to-end. Join our beta at .
Exciting times ahead 🚀
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i am building an ai-powered test automation platform for the next 6 weeks w/ n&w s4.
here's what i've done:
- AI code generator (WebAgent)
- on demand test running
- stored results and recordings
check it out and lmk what you think!
cc
@_buildspace
@_nightsweekends
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built a UI automation platform in 6 weeks 🚀
check it out 👇🏼
cc
@_buildspace
@_nightsweekends
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TO THE MOON 🚀
ngl, kinda nervous about the presentation. haven't done a live demo in a while
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i'm in
@_buildspace
's s4
@_nightsweekends
final!
17k projects started, 32 remain
the live event is tomorrow at 10:30am PT and the top 4 walks away with $25k each 👀
the last six weeks of building screenwriter have been magical and here's a quick recap:
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a story in 3 parts
btw we’re hiring our first founding eng, big plus if you’re in the intersection of design/engineering
if u like devtools, ai agents, and can climb v8 i wanna talk
hiring [at] momentic [dot] ai
or just dm me
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we present at YC demo day tmrw, wanna help us hit 10k mrr?
i'll literally onboard u tonight
would u rather spend a couple hours and hundreds of line of code on cypress or would type out what you want to test and have our ai do it for you 👀
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s4
@_buildspace
@_nightsweekends
is a wrap!
it’s kinda crazy to meet all these talented builders in real life
here’s to new friends and can’t wait to see where we take our projects 🚀🚀🚀
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i'm building an ai-powered test automation platform 🤖
if you're someone who:
- is curious about LLMs and web agents
- struggles with browser automation tests
then hit me up -- i'll add you to the waitlist ❤️
cc
@_buildspace
@_nightsweekends
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4th take, no script, nervous af
introduce myself, the startup, and do it all under 1 minute ⏰
roast me!
cc
@_buildspace
@_nightsweekends
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ODF was a catalyst for me to finally start something
forever thankful to the community ❤️
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We initially went down the path of code generation at the end of 2023 during
@_buildspace
. Then we realized that the root of all E2E test flakiness and frustration was due to selectors and network timing.
Instead of hardcoding selectors and data-testids, our AI translates your
YC W24's
@MomenticAI
is a low-code editor that helps devs ship E2E tests 10x faster. They make AI do the heavy lifting for you: finding elements, reasoning about assertions, and even generating whole tests!
Congrats on the launch
@wuweiweiwu
+
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i gained like 20 lbs during yc and now my scale doesn’t recognize me anymore
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this never gets old - esp for engineers who were die-hard cypress/playwright/selenium build-it-yourself just a couple of weeks ago
"make something people want"
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huge congrats to the
@_buildspace
@_nightsweekends
s4 winners 🔥
pavi - monitor.pd
@naklecha
- ai stock music
@maybeprithvi
- skive
@crsamra
- symphonic
that was a crazy ride and can't wait to see what y'all create!!!
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b back soon sf 👀
thnx for the great time
@_buildspace
@_nightsweekends
time to focus on growth
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neat
so like what % of people will want to check out ai testing software that they see on a billboard? 👀
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first day of
@_buildspace
@_nightsweekends
irl was lit ngl nice to meet all these insane builders in real life
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proud to see
@MomenticAI
listed as one of the top engineering startups in 2024 by
@ycombinator
honored to be alongside legends like
@Replit
@algolia
@OpenAI
and more!
our customers range from startups to publicly traded companies! Book a demo at
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a quick preview of our brand new interactive preview powered by 🅱️
@browserbasehq
coming soon to
@MomenticAI
's editor
made spinning up browsers a breeze (and saved us a ton of compute $$$)
our old interactive browser was ~20fps on a good day so this will be a HUGE upgrade ⏩
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great yc dinner tonight I also got like a 12 pack of lacroix from the fridge
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now we’re also homeless post demo day
group office hours this week 👉👈🥺
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do things that don't scale ⏲️
just sent out 100+ personalized emails to people on the
@ScreenwriterDev
waitlist to set up initial calls
it took an hour (which isn't terrible) but would like to automate this in the future, are there any tools that people recommend?
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n&w s4 demos are here 🔥
check out screenwriter and the 1123 other ASTOUNDING demos 👇🏼 (i worked hard on my thumbnail lmao)
cc
@_buildspace
@_nightsweekends
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end of batch / last haul from the yc office
if you live in SF & don’t give up within 2 years the likelihood of having a bevi in office skyrockets 🚀
section 4d to the moon
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People who’ve seen our demo of test planning and test generation are consistently mind blown 🤯
We’re working to make it even faster and intelligent and releasing to beta customers soon.
Lmk if you want a taste:
Honored to be part of AI Grant alongside such innovative companies
Big updates coming soon 👀
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I wrote my thesis around using deep q learning to play QWOP lol
You may have heard rumors that the OpenAI drama was caused by Q* bringing about AGI.
What you may not know is that Q-Learning (and Q*) has been around for a while!
At Stanford I TA'ed a class covering Q-Learning and Q* - Decision Making Under Uncertainty (CS238/AA228).
Here
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holy crap 🫣
at the point where i spot someone from
@_buildspace
in
@bentossell
’s newsletter almost daily.
today i spotted 2!
@wuweiweiwu
@shariexyz
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woop woop!
thnx
@tryfondo
for making our taxes and bookkeeping ezpz so we can focus on building and selling, i have no idea how to do it
growing together 🚀🚀🚀
🚀
@MomenticAI
launched! AI-powered, low-code editor that helps developers ship E2E tests 10x faster⚡️
🌐
🦾 Makes AI do the heavy lifting for you: finding elements, reasoning about assertions, & even generating whole tests! 📊
Congrats
@wuweiweiwu
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would u rather touch grass or ship features for a pilot customer
CLOUD TEST RECORDING INCOMING 🎥
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@josh_bickett
This is insane! We hit our rate limit for 4V so fast :\ can't wait until the prod ready model is released
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building b2b saas is the american dream amirite
can't believe i wanted to be a pharmacist in high school... i even went to pharmacy camp lol
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went from biking centuries on the weekend to complete sedentary lifestyle for 3 months in a basement 🥲
first run today: 2 miles at 12 min pace, zone 4 the whole time
goal: 14 miles consecutively in 2 weeks targeting 10 min miles
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super fucking hyped to announce our BRAND NEW DOCS SITE 🔥
give it a whirl, our customers have been RAVING
if u like what you see, send me a message and i'll get u access to
@MomenticAI
asap!
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this is so cool
from the demo it seems like there's way too much custom app knowledge (ie: click on input to activate it) to be a general web agent so there must be some internal way of labeling elements and describing possible interactions with such elements
this is what i
Introducing Ramp Tour Guide: an AI Agent that can show you how to do anything on Ramp!
Today, we'd like to share a sneak peek of Ramp's near future. As Ramp grows in functionality, we want to make all of it easily accessible to all of our customers. To do that, we're demoing a
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lucky to have a fucking stacked cofounder who’s legit a 100x eng & makes building
@MomenticAI
actually fun
2 week goals here we come 🚀
You could just feel the energy at the YC W24 closing ceremony after
@daltonc
's talk: every founder in the room was determined to make it to a series A, no matter what it took.
The key insight: the most common reason for startup death is simply founders giving up. In other words:
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Oh my god I forgot to link the Launch YC 🤦🏼
Ecstatic to officially launch as a
@ycombinator
company!
We've been heads down for the past couple of weeks in batch and can't wait to show you what we've built!
@MomenticAI
's on a mission to make testing easy and fast for developers 🚀
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new stack got me feeling productive 🏃♂️💨
email:
@Superhuman
(inbox 0 is addicting)
browser:
@arcinternet
editor:
@code
(but i gotta try cursor)
cmd bar:
@raycastapp
todo list:
@culturedcode
messaging:
@TextsHQ
any cool tools that people are using and would recommend?
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🚀🚀🚀
Today, we are excited to announce
@greptileai
's $4.1M seed round led by Initialized Capital, with participation from
@ycombinator
,
@RichAberman
and
@JdotJdotF
.
We are building the AI expert that *truly* understands large codebases. (1/5)
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some thoughts on low-dose methylphenidate (ritalin) as someone who grew up with extreme adhd. was diagnosed when i was a child and been living with it for 20+ years and have developed a lot of coping mechanisms for focusing and staying on track
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for the nth time we don’t codegen 😂😂😂
New market maps covering the latest AI startups.
1. AI agents from Insight Partners
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1K
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AND WE'RE LIVE 🚀
Gave up on AWS EKS and gave
@Railway
a try (thanks
@kylelgilliam
for the rec) and was able to deploy 4 services in under an hour.
Give it a whirl:
cc
@_buildspace
@_nightsweekends
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🚀🚀🚀
Momentic automates software testing with AI. Developers ship 10x faster by leveraging our AI to generate test plans and test cases:
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The new react-sortable-tree website is live!
Thanks to
@CompuIves
and
@codesandbox
for the amazing github integration and embeds :) <3
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heads down at
@SHACK15sf
and also got an extra burrito from the nice dude at
@senorsisig
so you could say it’s a great day
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@hassantsyed
this is the WebArena paper!
we're going to publish the
@MomenticAI
benchmarks soon 👀
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excited to announce that Screenwriter is now
@MomenticAI
!
this milestone reinforces our focus on accelerating developers with our AI tests 🚀
come check out the new website at featuring the new logo by
@The_kailen
some more news coming this week 👀
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coming soon
@MomenticAI
🤝
@browserbasehq
'what kind of wizardry is this' → my reaction when trying the playwright cloud runtime for the first time
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so
@MomenticAI
used to be called "Screenwriter" during
@_buildspace
n&w s4
and today i hopped on a demo call with someone who thought we were a tool that used AI to automate screenwriting 😅
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this tweet is v relevant today except its my wife now
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a preview of the
@ScreenwriterDev
human-in-the-loop test editor 🔥
1-click approval paired with easy feedback for our AI
if you're interested in testing it out, dm me or join the waitlist 👇
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excited to launch reusable steps in
@MomenticAI
⭐️
modules allow you to reuse a series of steps (think login flows) without having to manually create them for every test
if you're interested in trying us out for your organization's testing needs, send me a DM
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shipped huge updates to
@ScreenwriterDev
this week incorporating some customer feedback 🚀
ui refresh - new views for tests and runs
observability - be able to see exactly what the test did
still working on assertions
dm me for access!
cc
@_buildspace
@_nightsweekends
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1/ quote from a senior manager during a poc that ended up converting to one of our largest contracts
if the status quo is clunky ux and thousand line test scripts -- the space is ripe for disruption
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for any technical founders that are as confused about sales as i am, watch "How to Sell" with
@bosmeny
so many good tips, i for one will be rewatching until its burned into my brain
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so like
@MomenticAI
supports erp automation now
if u wanna automate salesforce, workday, servicenow, hubspot hmu 👀
gotta admit when we were pitching this a couple of months ago i had no idea wtf i am talking about lol
also
@coffeewithone
salesforce absolutely sucks
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Generating random fake data for a test is key for stress testing your application. Here is how you can leverage arbitrary JS execution in
@MomenticAI
's AI-powered editor to do this.
Libraries we currently support: faker, axios, moment, and assert.
If you want to try it out,
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maximizing the superstitions so our startup succeeds: eat dumplings, noodles, don’t take out trash till tmrw 🧧
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team management is now supported in
@MomenticAI
!
this has been a much requested feature from our pilot customers 🔥
all powered by
@ClerkDev
and
@shadcn
ui 🚀
if you're interested in testing it out, sign up at we onboard people every week!
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i love talking to customers and learning about their problems and its super valuable for
@ScreenwriterDev
grateful that i was able to book all these calls, but at the same time, 9-5 back to back meetings is exhausting 🥱
do y'all have strategies for handing this?
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setting up hubspot makes you rlly hate crm software
everything is confusing af like wtf is "lead status" and why do i care about the 1000000 different attributes on a contact
and why is my notion crm bad 😭
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feeling smart on the alaska flight using chrome devtools to pretend my macbook is a mobile device to take advantage of the free wifi
2
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ran across one of my first OSS contributions ever and it was to
@nodejs
back in 2018
looking back, if it wasn't for
@addaleax
@tniessen_
@jasnell
@bnoordhuis
@trott
's mentorship i wouldn't be where I am today. Thanks for being kind and facilitating an accessible environment ❤️
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My first API contribution to Node!! 🎉🎉
“ECDH.convertKey”
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Testing is hard and time consuming!
We're building a platform that utilizes generative AI to revamp end-to-end testing!
What do you think?
cc:
@_buildspace
@_nightsweekends
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T minus 1.5 hours 🚀
Cyall there!
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inspired by
@swyx
's learning in public blog post (which i've read probably like 5 times now)
i'm reading recent generative ai papers and trying to implement them from scratch starting with this gem "Generative Agents: Interactive Simulacra of Human Behavior"
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rip... this is what an infinitely running web agent with no limits can do to your
@OpenAI
bill lmao
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Excited to share what I've been hacking on!
Using AI to automate end-to-end tests! Here's a quick demo on TodoMVC:
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Using the
@ScreenwriterDev
platform to create UI automation with NO CODE!
If you're interested in learning more, DM or reply 🚀
cc
@_buildspace
@_nightsweekends
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neat so now i can see exactly why my tests are failing 👀
our ai now watches a recording of every single interaction taken during a test and diagnoses the failure
btw also works in the cli for all the weirdos out there
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🚨 New Screenwriter feature alert:
Web agents -- use natural language to program and deploy autonomous agents that run in the web
Still working on assertions and RLHF.
Join the waitlist! Comment, DM, or link in bio
cc
@_buildspace
@_nightsweekends
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3
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so i like dark mode but feels like the new
@linear
redesign is TOO dark??
maybe its just cuz im severely nearsighted but I can't even see the lines between the tasks now
also annoyed my saved sorts are all borked :(
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Starting the
@Google
Machine Learning crash course!! Took some classes in uni but im def still a noob
#100DaysOfCode
#MachineLearning
#noob
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the dark mode is absolutely lit :chefs-kiss:
super fucking hyped to announce our BRAND NEW DOCS SITE 🔥
give it a whirl, our customers have been RAVING
if u like what you see, send me a message and i'll get u access to
@MomenticAI
asap!
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