Developer Tools - Golden Hex

Hash Go Shell Developer Tools CLI AI July 27, 2026 13 min read

Hash Devlog: A Shell That Writes Its Own Tab Completions

bash and zsh let you extend tab completion by writing shell scripts, which is why I never do. Fish does it better, but I'm lazy. Hash goes further: a completion plugin takes about thirty seconds to write, and the shell's own agent can write it for you.

jj Developer Tools Learning Git February 2, 2026 5 min read

Learning Jujutsu by Teaching It

Building an interactive learning tool for jj, inspired by learngitbranching.js.org, because the best way to learn is to teach.

Go Developer Tools CLI Hash DevOps January 23, 2026 4 min read

Hash Devlog: Setting Up for Daily Driving

Building the infrastructure to use Hash as my daily shell: version injection, Homebrew distribution, and a quick way to report bugs from the terminal.

Go Developer Tools CLI AI Hash Debugging January 9, 2026 5 min read

Hash Devlog: Tracing the Missing Keystrokes

Keystrokes were vanishing. Claude couldn't find the bug. So I built a trace system and caught orphaned goroutines fighting over stdin.

Go Developer Tools CLI Shell January 3, 2026 3 min read

Introducing Hash: Building an Agentic Shell

Why I'm building Hash (Harness Assisted SHell) - a Go-based shell with editor-style input, Helix keybindings, and agent-agnostic AI integration.