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What is Dbg?

Dbg is a command-line debugger designed to work across multiple programming languages through a single interface. Rather than requiring separate debugging tools for each language, it provides a unified way to inspect runtime state, variables, and execution flow. This is particularly useful for AI agents that need to observe how code actually behaves during execution rather than reasoning about it statically. The tool is built with AI assistance in mind, making it easier for both human developers and automated systems to understand what's happening inside running programs.

Key Features

Multi-language support

Debug code written in different programming languages using the same CLI interface

Runtime state inspection

View variables, memory, and execution flow during program execution

AI-agent ready

Designed to provide structured output that automated systems can parse and understand

Command-line interface

Works within existing terminal workflows without requiring GUI or IDE integration

Freemium model

Core debugging functionality available at no cost, with optional paid features

Pros & Cons

Advantages

  • Single tool for multiple languages reduces the learning curve when switching between projects
  • CLI-first design integrates well with scripts, automation, and AI workflows
  • Specifically built to output information in ways that AI systems can consume and act upon
  • No cost to get started and evaluate the tool

Limitations

  • Command-line interface may feel less user-friendly than graphical debuggers for some developers
  • Language support coverage may not be complete across all major programming languages
  • Requires familiarity with CLI workflows and debugging concepts to use effectively

Use Cases

AI agents debugging code they've generated or modified to understand why execution failed

Developers working across multiple programming languages who want a consistent debugging experience

Automated testing systems that need to inspect program state when tests fail

Debugging remote or containerised applications where GUI tools aren't practical

Integration into CI/CD pipelines to diagnose failures without manual intervention