Where are Claude Code session logs stored on macOS?

Claude Code stores JSONL conversation logs and session transcripts locally in ~/.claude/projects/ on macOS. You can open this directory by running 'open ~/.claude/projects/' in your terminal.

Where are OpenAI Codex session transcripts saved on macOS?

OpenAI Codex CLI session rollout logs and history are saved in ~/.codex/sessions/ and ~/.codex/history.jsonl on your local disk. You can open this directory with 'open ~/.codex/sessions/' in your terminal.

Does this tool upload my transcripts or proprietary code to any server?

No. The viewer runs 100% locally in your browser sandbox using client-side JavaScript. No prompts, source code, or tool outputs are ever transmitted over the network.

How do I resume a past Claude Code or Codex session in my terminal?

Run 'claude --resume' to pick from recent sessions, or 'claude --resume ' to jump directly into a specific session. For fast global search across all past sessions and 1-click terminal resumption, use L2Cache for Mac.

AI AGENT DEVELOPER TOOL

Claude Code, Codex, Copilot & Grok Session Viewer

Q: Where are xAI Grok Build CLI session history logs saved on macOS?

xAI Grok Build CLI session logs and titles are stored in ~/.grok/sessions/ / /chat_history.jsonl and summary.json. Pick your ~/.grok folder to inspect all past Grok sessions locally.

Q: What file formats and agents does this viewer support?

The tool supports Claude Code (transcript.jsonl), OpenAI Codex (rollout-*.jsonl, history.jsonl), xAI Grok Build CLI (chat_history.jsonl, summary.json), GitHub Copilot CLI logs, ChatGPT conversation exports, Alpaca/fine-tuning instruction pairs, and standard multi-turn JSON/JSONL transcripts.

Inspect, filter, and analyze multi-turn Claude Code, OpenAI Codex, GitHub Copilot, & xAI Grok Build CLI session transcripts in a clean chat interface. 100% private & in-browser.

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Run as Standalone Desktop App

Install directly to your Mac Dock or download as a 100% offline standalone HTML app.

A 📁 Pick Claude, Codex & Grok Folders (Zero Upload)

Choose your ~/.claude, ~/.codex, ~/.copilot, or ~/.grok workspace folders. All are saved locally and can be refreshed in 1-click:

B 📋 1-Click Clipboard Paste

Copy log text or run the terminal one-liner below, then click to load instantly:

C ⚡ Terminal Quick Copy One-Liner

Copies your latest Claude Code, Codex, or Grok session directly to your clipboard:

📋 cat $(ls -t ~/.claude/... | head -n1) | pbcopy

⚡ Want live floating session tracking in macOS? L2Cache for Mac automatically monitors Claude Code, Codex & Grok Build sessions in your menu bar with 1-click terminal resumption.

Get L2Cache ($4.99)

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Drag & Drop Claude, Codex, or Grok transcript.jsonl / chat_history.jsonl files or folders here

Indexes Claude Code transcripts, OpenAI Codex memories, xAI Grok Build CLI sessions, and Antigravity logs into one unified index.

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0 sessions • usage unavailable

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Frequently Asked Questions

❓ Where does Claude Code save its session history on macOS?

Claude Code stores all conversation logs as JSON Lines files in ~/.claude/projects/<project-name>/transcript.jsonl. Run open ~/.claude/projects/ in your Mac terminal to open the folder directly in Finder.

❓ Where are OpenAI Codex session rollout logs saved on macOS?

OpenAI Codex saves session rollout files and history in ~/.codex/sessions/ and ~/.codex/history.jsonl. Run open ~/.codex/sessions/ in your terminal to view your past rollout session logs.

❓ Where are xAI Grok Build CLI session history logs saved on macOS?

xAI Grok Build CLI stores session logs and history in ~/.grok/sessions/<encoded-project>/<uuid>/chat_history.jsonl and summary.json. Pick your ~/.grok folder to view all your Grok CLI sessions automatically parsed and titled.

❓ What log formats and AI agents are supported?

This tool natively parses Claude Code (transcript.jsonl), OpenAI Codex (rollout-*.jsonl), xAI Grok Build CLI (chat_history.jsonl & summary.json), GitHub Copilot CLI logs, ChatGPT conversation exports, Alpaca/fine-tuning Q&A pairs, and standard multi-turn AI developer logs.

❓ Is it safe to drop proprietary company code logs into this viewer?

Yes, 100%. This tool operates completely in-browser on your local machine using vanilla JavaScript. No logs, prompts, or tool outputs are sent over the network. You can verify this by running the page in Airplane Mode.

❓ How can I search past Claude Code, Codex & Grok sessions natively on Mac?

L2Cache for Mac automatically indexes your local ~/.claude/projects/, ~/.codex/sessions/, and ~/.grok/sessions/ in real time, giving you global hotkey access (⌥ + Space), fast FTS5 search across all turns, and 1-click terminal resumption.