Docs Are Dead: In the Coding Agent Era, the Codebase Is the Single Source of Truth
AGI Hunt · wechat · 2026-10-13
The author argues that maintaining documents that go stale upon release is no longer worth it: any doc creates a permanent consistency burden against the truth, and drift is inevitable.
Key points:
- The codebase is the single source of truth — product managers have always had to dig into code when requirement docs went stale or handoffs were incomplete; agents just make this explicit.
- Strong coding agents change the equation: you can generate any "view of the truth" on demand from code, so durable documents become unnecessary for internal use.
- External-facing docs remain a temporary exception due to visibility constraints.
Conclusion: documentation in software engineering has largely lost its reason to exist — what teams should maintain well is the code itself.
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