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Engineering insights on code-aware specs and the future of product management.

toolscomparisonprd

Best AI Tools for Writing PRDs in 2026

A technical comparison of AI tools that help product managers write better specs — from general-purpose assistants to codebase-aware platforms.

Stonewall · March 24, 2026 · 8 min read
comparisonchatprd

ChatPRD vs Stonewall: Which Reads Your Codebase?

Both tools help PMs write better specs with AI. The difference? One generates specs from conversation. The other generates specs from your actual code.

March 24, 2026 · 6 min read
stonewall-methodbest-practices

How to Write Specs That Engineers Actually Follow

Most specs die on arrival. Engineers read them, nod politely, and build something different. Here are 5 principles that make specs engineers can't ignore.

March 24, 2026 · 8 min read
stonewall-methodphilosophy

Specs Should Know About Code

The biggest lie in product development is that specs and code are separate concerns. They're not. Here's why every spec should be code-aware.

March 24, 2026 · 7 min read
code-to-specdata

We Analyzed 500 Next.js Repos. Here's Where Specs Fail.

After indexing 500 open-source Next.js repositories, we found 3 patterns where product specs consistently miss critical implementation details.

March 24, 2026 · 6 min read
code-to-specengineering

Why Your Specs Don't Know About Your Code

The spec-code gap is the #1 friction point in product development. Here's what happens when your PRD has no idea what your codebase actually does.

March 24, 2026 · 5 min read