I'm a vim/command line guy and loved using pudb (https://pypi.org/project/pudb/) as I was learning Python. Gradually my code became more complex and pudb wasn't keeping up; event loops and the threading and multiprocessing modules were problematic.

TL;DR: I used Claude Code to write the TUI debugger of my dreams: https://pypi.org/project/textual-debugger/ It's built with textual and debugpy so can do all the things possible you'd would expect with the Debug Adapter Protocol (remote attach, thread/process inspection).

And then some!

I added a JSON-RPC interface so the debugger can be controlled by external tools (eg an AI agent). I also added the capability to run the debug target in a separate terminal which is handy for debugging applications that make demands on the terminal (like curses / rich / textual apps).

Here's a video of that in action: https://youtu.be/121aihjAQ8g

Screenshots: - https://github.com/AlDanial/tdb/blob/main/gallery/async_brea... - https://github.com/AlDanial/tdb/blob/main/gallery/async_task... - https://github.com/AlDanial/tdb/blob/main/gallery/multiproce... - https://github.com/AlDanial/tdb/blob/main/gallery/threading_...

Give it a try! pip install textual-debugger

Tracing and tenant-isolation firewall for AI agents (Apache 2.0)

Trump Mobile announces T1 phones will begin shipping next week

Reddit Tests Blocking Mobile Web to Force App Downloads

Show HN: Textual-debugger, a Python TUI debugger with power features

Malware crew TeamPCP open-sources its Shai-Hulud worm on GitHub

US sells 30-year bonds at 5% yield for first time since 2007

Why scrapping quarterly earnings is a bad idea

Titan 3D Printed Home Building

Show HN: I tried generating music from text and built a small tool around it

Built to help my dad pass CCNA, now were changing how people learn networking

How Consumers Adoption of Online Streaming Affects Music Consumption & Discovery

Claude for Small Business

How the Cheesecake Factory Runs One of America's Biggest Menus [video]

Rezolus: High-Resolution Systems Performance Telemetry

Replyjoy – Open-source Gmail assistant that drafts replies in your voice

Dweav Trace – offline-first state tracing for JavaScript apps

What's Happening to Panoply?

Greenhouse and Icehouse Earth

Show HN: Building a universal device experience [video]

Nginx Rift

Ask HN: Efflora_run DAG Regression Test

Vibe code your next presentation

The Bureau Outlives the Engine

A Claude Code and Codex Skill for Deliberate Skill Development

NYC*Bug May 2026: The Design of Unix Shell, with Stephen R. Bourne

Andrew's Layoff Checklist

NASA's James Webb Space Telescope Photostream

Reddit Is (Mostly) Shuttering R/All, but There's Still a Way to Access It

Charity Majors on AI, Observability, and the Future of Software [audio]

Ask HN: Are SaaS businesses going to zero?

Tracing and tenant-isolation firewall for AI agents (Apache 2.0)

Trump Mobile announces T1 phones will begin shipping next week

Reddit Tests Blocking Mobile Web to Force App Downloads

Show HN: Textual-debugger, a Python TUI debugger with power features

Malware crew TeamPCP open-sources its Shai-Hulud worm on GitHub

US sells 30-year bonds at 5% yield for first time since 2007

Why scrapping quarterly earnings is a bad idea

Titan 3D Printed Home Building

Show HN: I tried generating music from text and built a small tool around it

Built to help my dad pass CCNA, now were changing how people learn networking

How Consumers Adoption of Online Streaming Affects Music Consumption & Discovery

Claude for Small Business

How the Cheesecake Factory Runs One of America's Biggest Menus [video]

Rezolus: High-Resolution Systems Performance Telemetry

Replyjoy – Open-source Gmail assistant that drafts replies in your voice

Dweav Trace – offline-first state tracing for JavaScript apps

What's Happening to Panoply?

Greenhouse and Icehouse Earth

Show HN: Building a universal device experience [video]

Nginx Rift

Ask HN: Efflora_run DAG Regression Test

Vibe code your next presentation

The Bureau Outlives the Engine

A Claude Code and Codex Skill for Deliberate Skill Development

NYC*Bug May 2026: The Design of Unix Shell, with Stephen R. Bourne

Andrew's Layoff Checklist

NASA's James Webb Space Telescope Photostream

Reddit Is (Mostly) Shuttering R/All, but There's Still a Way to Access It

Charity Majors on AI, Observability, and the Future of Software [audio]

Ask HN: Are SaaS businesses going to zero?

Show HN: Building a universal device experience [video]

Comments