Claude Code Viewer

A web-based viewer for browsing Claude Code conversation history files. View and navigate your Claude Code project conversations through a clean, intuitive interface.

Overview

Claude Code Viewer parses JSONL conversation files stored in ~/.claude/projects/ and presents them in a human-readable web UI. Browse projects, sessions, and detailed conversation history with support for tool usage, subtasks, and real-time file monitoring.

Features

• Project Browser - View all Claude Code projects with metadata and session counts
• Session Navigation - Browse conversation sessions within projects with filtering options
• Conversation Display - Human-readable format for Claude Code logs with syntax highlighting
• Command Detection - Parses XML-like command structures for enhanced display
• Real-time Updates - Server-Sent Events provide live updates when files change
• Tool Usage Display - Clear presentation of tool calls, parameters, and results
  • 
• Sub Task Display
  • 

Installation & Usage

Quick Start (CLI)

Run directly from npm without installation:

PORT=3400 npx @kimuson/claude-code-viewer@latest

Alternatively, install globally:

npm install -g @kimuson/claude-code-viewer
claude-code-viewer

The application uses pnpm as the package manager (v10.8.1) and is published as version 0.1.0.

The server will start on port 3400 (or the specified PORT). Open http://localhost:3400 in your browser.

Alternative Installation

Clone and run locally:

git clone https://github.com/d-kimuson/claude-code-viewer.git
cd claude-code-viewer
pnpm i
pnpm build
pnpm start

Requirements

• Node.js 18 or later
• Claude Code with conversation history in ~/.claude/projects/

Data Source

The application reads Claude Code conversation files from:

• Location: ~/.claude/projects/<project>/<session-id>.jsonl
• Format: JSONL files containing conversation entries
• Auto-detection: Automatically discovers new projects and sessions

Usage Guide

1. Project List

• Browse all Claude Code projects
• View project metadata (name, path, session count, last modified)
• Click any project to view its sessions

2. Session Browser

• View all conversation sessions within a project
• Filter to hide empty sessions
• Sessions show message counts and timestamps
• Click to view detailed conversation

3. Conversation Viewer

• Full conversation history with proper formatting
• Syntax highlighting for code blocks
• Tool usage and results clearly displayed
• Navigation sidebar for jumping between sessions
• Support for different message types (user, assistant, system, tools)

Configuration

Port Configuration

Set a custom port using the PORT environment variable:

PORT=8080 npx @kimuson/claude-code-viewer@latest

Data Directory

The application automatically detects the standard Claude Code directory at ~/.claude/projects/. No additional configuration is required.

License

This project is available under the MIT License.

Contributing

See docs/dev.md for detailed development setup and contribution guidelines.