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Proofs.io: The Anti-Codegen Codegen
A $2.6M bet that developers need specs before AI writes code
While everyone races to build AI that writes code, Proofs.io is building the AI that thinks about code first. Their thesis is simple and provocative: the problem isn't generating code—it's generating the right code.
"Spec-driven development isn't a feature—it's a fundamental shift from 'build fast' to 'build right.'"
The Developer-First Approach
Unlike typical AI code tools that target non-technical users, Proofs.io speaks directly to engineers. With a team of just 13 people, they've built a CLI tool that integrates into existing workflows rather than replacing them. Their GitHub presence and Tailwind/shadcn/ui tech stack signal a product built by developers, for developers.
The Growth Paradox
Despite 3,581 monthly visits and a global rank of #5.2M, Proofs.io shows signs of product-market fit. With 46% direct traffic and 37% organic search, their audience isn't finding them through ads—they're seeking them out. The 4,380 monthly searches for 'proofs' suggest a growing vocabulary around specification-driven development.
The company's leadership—Bartek Pucek as co-founder and CEO, Jamahl McMurran as Chief Staff, and Chris Immel on technical staff—reads like a lean, focused operation. They're not building a massive platform; they're building a CLI. This restraint is telling: they understand their audience values speed and integration over feature bloat.
- Spec-first philosophy: AI generates requirements before code
- CLI-native: Lives in the terminal where developers already work
- Tool-agnostic: Designed to work with AI code-gen tools, not replace them
- Lean operations: 13 people, $1.8M revenue, $2.6M funding
- Developer community: Active GitHub presence with 100+ stars
The Quiet Disruption
Proofs.io isn't trying to replace developers—it's trying to make them better. In a market screaming about AI writing code, they're whispering about writing better specs. That's either brilliant positioning or stubborn contrarianism. With $2.6M raised and revenue already at $1.8M, the market is voting. The question is whether spec-driven development becomes the new normal or remains a niche for the disciplined few.
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Shotgun CLI
Spec Driven Development for Developers. Technical research and spec generation for software engineers and AI code-gen tools.
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About proofs.io
Spec Driven Development for Developers. Technical research and spec generation for software engineers and AI code-gen tools.
Company Overview
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proofs.io uses 12 technologies across their website including YouTube Embed, Google Fonts, HSTS, and more.
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YouTube Embed
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Google Fonts
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HSTS
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PostHog
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Traffic & Audience
proofs.io receives approximately 3.6K monthly visitors and ranks #5,210,071 globally. The website has a bounce rate of 46% with visitors viewing an average of 1.4 pages per visit. Users spend an average of 0:27 on the site.
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