Blacksmith

@useblacksmith

The fastest way to run your GitHub Actions. Trusted by @supabase, @trychroma, @clerk and 1000+ others.

San Francisco, CA

blacksmith.sh

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Blacksmith
@useblacksmith
Aug 12
We raised a $45M Series B led by Peak XV, with YC and GV tripling down. Blacksmith is now valued at $550M. We closed this back in March. CI volume is up 5-10% every week as codegen makes writing code easy and validating it the bottleneck. 6,000+ companies run CI on us. What's
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Blacksmith
@useblacksmith
Sep 2
Blacksmith now offers zero-configuration remote caching for Bazel. We measured 31% faster p50s and 52% faster p90s across 2000 builds. Most of these customers already had different caching solutions in place. Try it for yourself. docs.blacksmith.sh/blacksmith-cac…
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Blacksmith
@useblacksmith
Sep 1
This is the Broadway-Lafayette station this morning. We didn't just buy one ad, we bought the entire station. We plastered every wall, column and stairwell with Blacksmith branding, including four more stations across the city, and another 800 platforms screens inside the cars.
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Blacksmith
@useblacksmith
Aug 31
30-80% faster builds with a one-line YAML change.
brainports
@brainportsai
Aug 29
Swapped our GitHub Actions runners for @useblacksmith. One line: runs-on. • PR gate 33% faster • Docker build 46% faster • Dependency layer 80% faster Tuned the pipeline after and the PR gate is ~90% faster.
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Blacksmith
@useblacksmith
Aug 24
Code mode lost by 39 seconds. It is supposed to be the faster way for agents to call MCP tools. Fewer round trips, smaller context. We raced it against classic tool calling on the same Linear task and it lost. The reason isn't a code mode problem. Most MCP servers ship
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