prime-radiant-inc

Engineering Notebook — AI skill for Claude Code

AI community

A Bun CLI that ingests Claude Code and Codex session transcripts, generates LLM-powered daily summaries, and serves a browsable web UI for your engineering journal.

How to install Engineering Notebook

This entry records only its repository, not the path inside it, so there is no exact command to give. Open prime-radiant-inc/engineering-notebook and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Engineering Notebook does

A Bun CLI that ingests Claude Code and Codex session transcripts, generates LLM-powered daily summaries, and serves a browsable web UI for your engineering journal.

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README

Engineering Notebook

A CLI tool that ingests [Claude Code](https://docs.anthropic.com/en/docs/claude-code) and [Codex](https://openai.com/index/introducing-codex/) session transcripts, generates LLM-powered daily summaries, and serves a web UI for browsing your engineering journal.

Think of it as an automatic engineering diary — it 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.

![Journal view — three-panel layout with date index, entry detail, and conversation transcript](docs/screenshots/journal-view.gif)

How It Works

Ingest — Scans directories of Claude Code and Codex JSONL session files, parses out the human-readable conversation (stripping tool calls, thinking blocks, etc.), and stores them in SQLite.
Summarize — Groups sessions by date and project, then uses Claude to write concise engineering journal entries with headlines, summaries, topics, and open questions.
Serve — Runs a web server with a browsable UI: daily journal, project timelines, calendar/Gantt view, session transcripts, full-text search, and an iCal feed.

Install

Requires [Bun](https://bun.sh) v1.1+.

git clone https://github.com/prime-radiant-inc/engineering-notebook.git
cd engineering-notebook
bun install
bun link  # makes `engineering-notebook` available globally

Quick Start

# 1. Ingest your sessions (defaults to ~/.claude/projects and ~/.codex/sessions)
engineering-notebook ingest

# 2. Generate journal summaries (requires ANTHROPIC_API_KEY)
engineering-notebook summarize --all

# 3. Browse your journal
engineering-notebook serve
# Open http://localhost:3000

Web UI

The web interface has several views:

Journal — Three-panel layout: date index, entries for the selected date, and entry detail with full conversation transcripts. Entries include headlines, summaries, topic tags, and open questions.
Projects —