Claude Inspector

Claude Inspector

See what Claude Code actually sends to the API.

A local MITM proxy that intercepts Claude Code CLI traffic in real-time,
lets you inspect every JSON payload, and analyzes session flows with AI.

Install · Usage · AI Analysis · What You'll Learn

English | 한국어

Install

Homebrew (Recommended)

Direct Download

Download the .dmg from the Releases page.

Upgrade / Uninstall

Proxy Mode

Intercept real Claude Code CLI traffic via a local MITM proxy.

1. Click Start Proxy in the app
2. Run Claude Code through the proxy:

3. Every API request/response is captured in real-time.

4 Tabs

AI Analysis

Select captured requests and let Claude (Sonnet) analyze the full session flow.

What It Produces

- Step-by-step session summary — what happened, in what order, with mechanism explanations
- MCP dynamic loading chain — how ToolSearch fetches schemas, how deferred tools become callable
- Skill loading flow — how slash commands trigger  → Skill tool_use
- Sub-agent patterns — which requests are main vs sub-agent, and how they relate
- Mermaid flowchart — visual diagram of the internal mechanism flow
- Clickable references — each step links to the actual Request, scrolling to the relevant tool_use

How to Use

1. Capture some requests via the proxy
2. Click the AI Analysis tab
3. Select requests to analyze (click to toggle, Shift+click for range)
4. Click Analyze Session Flow
5. Watch real-time streaming as Claude processes the session
6. Click any Request #N badge to jump to that request's tool_use in the JSON tree

Inline Chat

After analysis, ask Claude follow-up questions about the session. The chat understands the full analysis context.

Session Detection

Requests are automatically grouped by session using message content fingerprinting. Different sessions…