Prompt history is the new source code: Reddit proposal for PromptSourceCode
niosurfer · reddit · 2026-09-16
A Reddit post argues that with Codex, Claude Code, and Cursor, developers now express decisions through prompts while AI writes most code — so prompt history, not the source code, captures the human intent, architecture, constraints, and corrections behind a project.
The author proposes PromptSourceCode: a tool that auto-maintains a PROMPTSOURCE.md in repos, chronologically logging prompts, files/images provided, model info, git state, and context. The generated code shows the result; the prompt history is the real human artifact, and others could even recreate their own versions from it. The main challenge is integrating across the many harnesses (Claude Code CLI/Desktop, Codex CLI/Desktop, Antigravity, PI, OpenModel, etc.). He's asking whether people would actually read a project's prompt source code.
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