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We’ve raised our $10M Series A, led by Google Ventures.
Meet Blacksmith.
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Blacksmith
762 posts
Blacksmith
@useblacksmith
The fastest way to run your GitHub Actions. Trusted by @supabase, @trychroma, @clerk and 1000+ others.
San Francisco, CA Katılım Ocak 2024
8 Takip Edilen6K Takipçiler
200 stars in one night..
I've heard you guys, working on releasing this ASAP🫡
Max Katz@maxktz
my fork of @zeddotdev basically zed + herdr + cmux, merged into "superzed"
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the fastest bus in SF is out there.
it's just too fast to pose for us.
snap a better pic, @ us and we'll drop you a pile of build minutes.
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Blacksmith retweetledi
Packed house at @daytonaio AI Builders NYC with @Oracle & @datadoghq🗽
Great talks on AI agents, evaluations, cloud infrastructure, observability, CI, and browser automation from teams at @Oracle, @datadogdevs, @useblacksmith, @AnchorBrowser & @daytonaio.
Thanks to everyone who joined us yestrday at @datadoghq HQ. More to come... 🚀
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congrats to momentic on the launch 💛
proud to see the best companies ship with Blacksmith
wei-wei@wuweiweiwu
AI writes all your code. Does it still work? That's the gap: coding agents are scaling output, but the same with bugs and incidents. The biggest bottleneck is QA: how can you make sure the code your agents just wrote doesn’t break everything? The best QA are the ones who know everything about your product. Today, we give that knowledge to Momentic’s most capable agent. Every Linear ticket, every PRD in Notion, every PR - Momentic knows all. In just the past few weeks, our agents analyzed 70k+ test failures and created 600 tests. Achieving a 73% PR merge rate, and it’s growing fast. We’re grateful for the trust of our customers, including Notion, Xero, Webflow, Retool, Runway, Bilt, and more.
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Blacksmith retweetledi
God damn.
Just cut our builds from 6 min -> 2 min with one line of code.
Thank you @useblacksmith
Not being paid to say this.
Now that I'm shipping ~55 PRs/day, this saves us SO much time.
(and thx @theo for the heads up)
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@andparsons @MatthewBerman 🙇 if you want to try us out DM for some minutes!
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@MatthewBerman @useblacksmith tends to be faster and cheaper running GitHub actions than GitHub itself
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Currently limited by how fast I can deploy. Multiple agents deploying at the same time breaks my GitHub workflow. What’s the best way to do this?
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another day, another OSS repo running 2x faster on Blacksmith for free
who should we sponsor next?
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Blacksmith retweetledi
Our next big sponsor is @useblacksmith!!!
Blacksmith provides a CI/CD pipeline with massive performance.
Recently, we migrated ccusage from TypeScript to Rust & Nix, so all jobs slowed down. Thanks to Blacksmith, our CI is now way faster!
Can't wait to ship things fast!
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Blacksmith retweetledi
We've been experimenting with all kind of exotic caching solutions, different containers, etc. to make our builds + testing suites faster in GitHub Actions.
Then a couple weeks ago we just tried @useblacksmith and it was like 3-4x faster with zero effort. I think I'm sold.
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Blacksmith retweetledi
Blacksmith retweetledi
Blacksmith is part of @Redpoint's 2026 InfraRed 100 today.
We started Blacksmith because CI needed its own cloud. Just over two years later, we're running millions of CI jobs every day for some of the fastest-growing companies.
The same primitives we built to power CI will power much more than just CI.
There’s a lot more coming :)
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Blacksmith has been named to @Redpoint's 2026 InfraRed 100!
We're building developer infrastructure to help devs (and agents) move faster.
redpoint.com/infrared/100/
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4x faster CI. observability that actually works.
@theo on moving CI to blacksmith.
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We got rid of the most mind-numbing step in CI.
With Container Caching, you no longer need to spend time pulling your images from your registry since they're already loaded at the start of every job.
Minutes back on every run, now available on Blacksmith.
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Blacksmith retweetledi
another underrated testbox use case: get agents to stress a flaky test across a dozen blacksmith VMs in parallel and let them hammer away until the cause is understood and deflaked.
latest coding models are great at this kind of long-horizon work
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Peter Steinberger 🦞@steipete
Been so CPU-constrained on OpenClaw work. Switched local tests running to @useblacksmith and IT IS SO GOOD. codex can literally spin up to 32vCPU instances and rip through our test suite. docs.blacksmith.sh/blacksmith-tes…
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