ChatGPT

Perplexity

Gemini

Claude

Grok

Strap on your boots and forge ahead!
Mine metals, hammer them into shape, and forge the best swords you can!

This is not your normal simulation game. Break rocks to discover exotic gems. Forge them i

Building CI infrastructure on gaming-grade CPUs that prioritize maximum throughput over generic cloud economics, delivering 2x speed improvements to development teams.

Performance First

Enabling seamless migration with single-line code changes and maintaining backward compatibility with GitHub Actions, putting developer productivity above all else.

Developer Experience

Achieving $1M ARR in one month with four people and closing Series A in 14 days demonstrates the team's bias toward speed and efficient execution.

Rapid Execution

Building comprehensive test analytics and observability features to give developers complete visibility into their CI/CD pipelines at no additional cost.

Observability & Transparency

Blacksmith is a high-performance CI platform for GitHub Actions that runs 2x faster and costs 75% less using gaming-grade CPUs, serving 700+ customers with $3.5M ARR.

Blacksmith – Rowhammer bit flips on all DRAM devices today despite mitigations

A self-trained Italian blacksmith built himself an amusement park

Blacksmithing and Lisp

Blacksmithing is alive and well in Kentucky

What was the role of the blacksmith in medieval society?

Aditya Jayaprakash (JP)

CEO & Co-Founder

Aayush Shah

Co-CTO & Co-Founder

Aditya Maru

Drop-in replacement for GitHub Actions runners built on gaming-grade CPUs that deliver up to 2x faster execution while reducing compute costs by 75%. Teams migrate by changing a single line of code, with no workflow modifications required.

High-Performance CI Runners

Comprehensive test visibility and analytics for GitHub Actions pipelines provided at no additional cost. Offers out-of-the-box insights into test performance, flakiness, and execution patterns to help teams identify bottlenecks.

Test Analytics

Growing observability capabilities extending beyond test analytics to provide broader insights for GitHub Actions workflows. Replaces expensive third-party SaaS platforms and in-house tooling with native CI/CD visibility.

Observability Platform

Specialized infrastructure for accelerating Docker image builds with high-performance compute and intelligent caching, critical for containerized applications and microservices architectures.

Docker Build Optimization

Advanced caching layer that optimizes dependency resolution and build artifacts across CI runs, reducing redundant work and further accelerating pipeline execution times.

Caching Infrastructure

Blacksmith announced $10 million in Series A funding led by Google Ventures, just four months after its seed round. The funding will accelerate development of the fastest CI infrastructure for GitHub Actions, with growing observability capabilities for AI-first development teams.

Blacksmith Raises $10M to Unblock AI Development with Fast CI for GitHub Actions

Google Ventures led Blacksmith's $10M Series A, completed in just 14 days, reflecting exceptional confidence in the startup's performance. The company scaled from $1M to $3.5M ARR in months while serving 700+ customers.

Google Ventures doubles down on dev tool startup Blacksmith just 4 months after its seed round

Blacksmith secured Series A funding to expand its high-performance CI platform that runs on gaming-grade CPUs, delivering 2x faster GitHub Actions execution at 75% lower cost than traditional cloud providers.

Dev tool startup Blacksmith Software gets $10M to accelerate continuous integration

University of Waterloo highlighted Blacksmith among four alumni-founded startups raising significant seed funding, noting the three co-founders' computer science backgrounds and rapid market traction with GitHub Actions infrastructure.

Four Waterloo-founded startups earn $2 million seed funding

Blacksmith founders shared their experience in Y Combinator's Winter 2024 batch, describing how they achieved $1M ARR with four people and navigated the intensive three-month program that helped shape their go-to-market strategy.

What it was like going through YC W24

My wife is blacksmith, I am an carpenter. This project we have worked together

Cyeck out what I made guys (blacksmith for scale)

TIL Ferrari, Kowalski, Smith are all occupational surnames refering to blacksmiths. It is the most common occupational name in Europe.

Blacksmithing is horrendous

They removed the Prospector from the Blacksmith

My 7 year old Blacksmiths

Blacksmiths 2 years on after a condition

Real-life blacksmiths, what are the most comically unrealistic aspects of smithing in [KCD2]?

Blacksmiths

spent all my money leveling blacksmithing. what now?

RedWingShoes

woodworking

HollowKnight

todayilearned

projectzomboid

ClashOfClans

kingdomcome

woweconomy

LITHIUM AMERICAS CORP.

Aditya Jayaprakash, Aayush Shah, and Aditya Maru founded Blacksmith in San Francisco, creating a high-performance CI platform for GitHub Actions built on gaming-grade infrastructure.

Company Founded

Selected for Y Combinator's Winter 2024 batch, one of less than 1% of 27,000+ applicants, providing early validation and access to the premier startup accelerator network.

Y Combinator Acceptance

Achieved $1 million in annual recurring revenue with just four people on the team, demonstrating exceptional product-market fit and efficient go-to-market execution.

$1M ARR Milestone

Raised $3.5 million in seed funding led by Erik Nordlander at Google Ventures and Y Combinator, with participation from Spencer Kimball (Cockroach Labs CEO), David Cramer (Sentry co-founder), and other prominent angels.

Seed Funding Round

Closed $10 million Series A led by Google Ventures in just 14 days, only four months after seed round, reflecting exceptional revenue growth and investor confidence in the platform.

Series A Funding

Scaled to $3.5 million ARR serving over 700 customers, demonstrating strong product-market fit and rapid adoption among development teams using GitHub Actions.

$3.5M ARR with 700+ Customers

Released comprehensive test analytics and observability features at no additional cost, providing out-of-the-box visibility for GitHub Actions pipelines and extending value beyond pure performance.

Test Analytics Launch

For use with the engineering kits “Robotics: Smart Machines”, “Robotics: Smart Machines - Rovers & Vehicles Edition”, and “Robotics: Smart Machines - Tracks & Treads Edition” by Thames & Kosmos.

This

Dreamehome App is to manage Dreame Bot cleaning robots to do your home floor cleaning.

Through the App , you may not only access to advanced functions of your robot for your daily home floor cleaning

The Blue Alliance is a tool to help FIRST Robotics teams scout for, compete at, and relive competitions.

The Blue Alliance app is the easiest way to access all the great content on thebluealliance.co

Hermes Robotics is a San Francisco-based robotics company founded that provides autonomous street sweeping as a service by retro-fitting existing vehicles with autonomous technology. The YC W21 company achieved $1M in revenue in 2024 with a lean team of just 5 employees, raised $125K from Y Combinator plus additional bootstrap funding, and received an M&A offer in April 2025.

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