Claude DevTools

Claude DevTools is a debugging tool for Claude Code that inspects session logs, tool calls, and token usage.

Claude DevTools is a debugging tool designed for Claude Code users to inspect session logs, tool calls, token usage, subagents, and context windows. It reads session transcripts directly from local session logs stored in ~/.claude/ without wrapping Claude Code. The software provides features such as context reconstruction, a tool call inspector, project memory management, team and subagent execution trees, and notification triggers. It runs on macOS, Linux, and Windows, offering both local and remote SSH session inspection. The tool is free and open source.

Claude DevTools at a glance

Best for: Software engineer
Runs on: macOS, Linux, Windows
Pricing: Free, open source
Released: February 2026
Category: AI coding tool
Website: claude-dev.tools

Key features

Context reconstruction across token categories
Selectable message and code block rendering
Tool call inspector with syntax highlighting
Project memory viewer with markdown rendering
Team and subagent execution trees
Notification triggers for events and thresholds
SSH remote session inspection
Command palette for cross-session search

Use it for

Inspect hidden thinking steps and tool call inputs and outputs
Track token usage, duration, and cost per subagent
Manage and search project memory markdown files
Compare multiple sessions side-by-side in multi-pane layouts

Companions

Tools that articles about Claude DevTools recommend using with it, each with its job.

Claude Code — Built to work with Claude Code.
Context7 — Provides up-to-date documentation for AI agents and code editors.
Playwright MCP — Enables LLMs to interact with web pages using structured accessibility snapshots.
GitHub MCP Server — Reads pull requests, issues and code search on GitHub.
Superpowers — Brainstorm, plan and execute skills for bigger tasks.
Claude Squad — Manages multiple AI agents in isolated git worktrees.

Alternatives to Claude DevTools

Claude Code Session Tracker — Monitor Claude Code usage limits and token history in a single local interface.
My Claude Code Mods — Adds detailed session profiling, timeline snapshots, and loop detection to Claude Code.
Claude Code Usage Monitor — Tracks token usage, message counts, and session costs with local history and alerts.
Claude Tap — Inspect prompts, tool calls, and token usage locally without a hosted dashboard.
Claude Scrub — Removes exposed API keys, passwords, and tokens from local AI session history.
phonebook — Query another repository's Claude Code session directly from your current workspace.
Claude HUD — Shows real-time context usage, rate limits, and agent activity inside your terminal.
Claude Code Workflows — Provides pre-built, automated workflows for Claude Code development processes.
Claude Code Harness — Enforces a disciplined delivery loop with verification gates and safety checks.
claudecode.nvim — Adds native AI coding assistant functionality to Neovim.
ModVet — Scans Claude Code mods offline in milliseconds with zero dependencies.
opcode — Turns terminal Claude Code workflows into an intuitive visual interface.

All Claude DevTools alternatives