Build a tool that publishes coding-session transcripts

DraftSoftwareNot specified

Simon Willison used Claude to build a Python utility converting Claude Code sessions into navigable HTML. He publishes source code, example output and development transcripts. Codex handled a separate API reverse-engineering step. No quantified development-time saving is reported.

Draft: this entry has not yet been human-reviewed. Its summary and extracted facts are AI-assisted. Check the original source before relying on the claims.

For whom

Independent developers and small teams; Python, CLI and transcript-handling knowledge.

Not for

Not suitable for publishing sessions before checking them for sensitive content.

Brain Score

5/10 brain cells
Impact
0/2
Evidence
1/2
Reproducibility
1/2
Maturity
2/2
Reach
1/2

Five values from 0 to 2. The total has a minimum of 1. A reading aid based on the source, not an independently measured performance result. How the score works

Original source

A new way to extract detailed transcripts from Claude Code 
Type
Blog
Published
Data as of
2026-10-31

The data date records when this dataset was included in the collection. It is separate from the publication date of the source.

Tools

All use cases