JWT.io Alternative Offline: Decode, Verify, Re-Sign JWTs
A practical local JWT debugging workflow: decode claims, inspect exp and nbf, verify signatures with the right key material, and re-sign HMAC tokens without network requests.
5 min read
Blog
Notes on AI agents, terminals and developer tooling from the HackUtilities team.
HackUtilities v3.7.0 is out: Visible Sub-Agents, Local Control, Better Windows Support
Hi 👋 HackUtilities v3.7.0 is out. Here’s the TL;DR on visible sub-agents, local MCP control, Windows improvements, and the keyboard changes I’d learn first.
4 min read
Why Claude Code Skills Aren’t Working: Eight Checks Before You Rewrite One
Separate discovery, autocomplete, invocation and instruction-following failures. Work through eight checks, then retest against an observable result instead of rewriting the skill blindly.
5 min read
How to Run Multiple Dev Servers at Once Without Reopening Six Tabs
Start a web server, API, queue worker and asset watcher with one npm command, then save the daily stack in HackUtilities. Includes port-conflict recovery and shell-environment troubleshooting.
6 min read
How to Share Skills Between Claude Code and Codex Without Forking Them Forever
A practical workflow for making one skill usable in both Claude Code and Codex without hand-editing dotfiles or losing track of which copy changed.
6 min read
What a UUID Lookup Can Reveal—and What It Can't
Most UUID lookup searches are asking the wrong question. This article shows when a UUID can reveal a timestamp, when it cannot, and how to use that clue to trace the real record in your own system.
4 min read
Run Multiple Claude Code Sessions Without Losing Track
This guide shows a repeatable 3-session workflow for one repo: bugfix, refactor, and tests. It also gives a clear rule for when to stay in one checkout and when to split environments.
7 min read
tmux alternative for local development on Mac and Windows
See which tmux jobs map cleanly to HackUtilities for local development on macOS and Windows, where the fit is better, and where tmux still wins.
8 min read
HackUtilities Blog: What We’ll Publish and Why
A plain-English launch post that explains what HackUtilities does, what this blog will cover, who it’s for, and how to test the app on a real repo.
5 min read