Engineering Notebook

2026-05-14 · source · source ↗ · raw capture · wiki page

CLI tool that automatically ingests Claude Code and Codex session transcripts, generates LLM-powered summaries, and provides a web interface for browsing an engineering journal.

Key Features

Ingests session files from Claude Code and Codex, parsing conversations while stripping tool calls and thinking blocks
Groups sessions by date and project, then uses Claude to generate engineering journal entries
Runs a web server with multiple browsable views

Web UI Components

Journal view with three-panel layout (date index, entries, transcripts)
Projects view showing timelines sorted by recency
Calendar/Gantt view displaying project activity across dates
Full-text search across journal entries and transcripts
Settings panel for configuration and iCal feed subscription
Resume commands for picking up where you left off in sessions

Description

"An automatic engineering diary that watches your AI coding sessions and distills them into a searchable, browsable narrative of what you built, what problems you hit, and what decisions you made."

Technical Stack

Bun (runtime, bundler, test runner, SQLite)
Hono (web framework)
Anthropic SDK (Claude Haiku for summarization)
HTMX (interactive UI)
TypeScript (99.9% of codebase)

168 stars, Apache 2.0 license.