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Blacksmith - An autonomous agent factory
You co-plan the spec. It does everything itself.
Blacksmith removes the watching instead. A goal becomes a set of immutable spec contracts. Each contract runs in its own git worktree, under a token budget, over paths no other worker is allowed to touch. What merges is decided by gates — a schema check, tests, a reviewer that never saw the coder's session, and a verifier whose only job is to refute the reviewer. Your job shrinks to two touchpoints: agree on the spec, then review one pull request. Everything in between runs unattended.
Hey Product Hunt! 👋 I built Blacksmith, an open-source, self-improving AI agent factory.
Blacksmith breaks an approved spec into tasks and dispatches multiple subagents to work at the same time—potentially dozens or hundreds, depending on task independence, available resources, and provider limits.
Each subagent works in its own Git worktree with a defined scope. Independent tasks run in parallel; work touching the same files is sequenced to prevent collisions.
The factory brings their output together through tests, independent review, and adversarial verification. The result: one integrated pull request for you to review.
It also turns errors into proposed lessons. Lessons you approve feed into future runs, helping the factory improve over time.
One spec → parallel subagents → one PR.
What feature would you hand to a factory of agents?
About Blacksmith - An autonomous agent factory on Product Hunt
“You co-plan the spec. It does everything itself.”
Blacksmith - An autonomous agent factory was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #54 on the daily leaderboard. Blacksmith removes the watching instead. A goal becomes a set of immutable spec contracts. Each contract runs in its own git worktree, under a token budget, over paths no other worker is allowed to touch. What merges is decided by gates — a schema check, tests, a reviewer that never saw the coder's session, and a verifier whose only job is to refute the reviewer. Your job shrinks to two touchpoints: agree on the spec, then review one pull request. Everything in between runs unattended.
On the analytics side, Blacksmith - An autonomous agent factory competes within Open Source, Software Engineering, Artificial Intelligence, GitHub and OpenAI Day — topics that collectively have 632.4k followers on Product Hunt. The dashboard above tracks how Blacksmith - An autonomous agent factory performed against the three products that launched closest to it on the same day.
Who hunted Blacksmith - An autonomous agent factory?
Blacksmith - An autonomous agent factory was hunted by Hoang Son Nguyen. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Blacksmith - An autonomous agent factory including community comment highlights and product details, visit the product overview.
Hoang Son Nguyen