chisel ☆
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Description:
Collection of LLDB commands to assist debugging iOS apps
Type: Formula  |  Latest Version: 2.0.1@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: ios debugging lldb xcode developer-tools
Install: brew install chisel
About:
Chisel is a collection of LLDB commands that makes debugging iOS applications significantly more efficient. It adds powerful new commands like 'visualize' for viewing UI hierarchies and 'presenter' for tracking view controllers. This tool integrates directly into Xcode's debugger to streamline the inspection of complex app states.
Key Features:
  • Adds new LLDB commands for iOS runtime inspection
  • Provides commands to visualize UI hierarchies and views
  • Includes tools for debugging view controllers and presentation
  • Enables easy expression of complex runtime queries
Use Cases:
  • Inspecting and debugging complex iOS user interface hierarchies
  • Diagnosing view controller presentation and lifecycle issues
  • Exploring the Objective-C runtime during live debugging sessions
Alternatives:
  • LLDB – Chisel is an extension for LLDB, adding higher-level commands that are not available in vanilla LLDB.
  • FLEX – FLEX is an in-app debugging tool, whereas Chisel operates through the debugger, making it useful for states where the app is frozen.
License: MIT
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina
Important Notes:
Add the following line to ~/.lldbinit to load chisel when Xcode launches:
  command script import $HOMEBREW_PREFIX/opt/chisel/libexec/fbchisellldb.py
Version History
Detected Version Rev Change Commit
Sep 12, 2025 8:25pm 0 VERSION_BUMP a19445a4
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