Responsible tooling
Small, reversible tools and operating paths that preserve permissions, evidence, billing clarity, and manual recovery.
5 currently maintained articlesThe small tools that save me hours every week
A growing toolbox of simple automations, browser utilities, and scripts for independent developers.
What Breaks a Planning Calculator? A Boundary-Test Study of Three Engines
A reproducible test of compound-growth, emergency-fund, and LLM-cost calculators using zero returns, impossible goals, fee math, contribution timing, caching, and exhausted budgets.
AWS Agent Toolkit in the CLI: A Practical Guide to Skills, MCP, IAM, and Safe Rollout
AWS CLI 2.35 adds a guided Agent Toolkit setup for coding agents. This guide explains what it installs, where the security boundary really sits, and how to evaluate it without granting excessive cloud access.
How to Turn Vercel Web Analytics Into Better Content Decisions
A practical measurement plan for small content sites: verify the collection window, compare pages and visitors honestly, connect acquisition to useful actions, and change one content path at a time.
How to Subscribe to ChatGPT on iPhone for Codex: A Safe, Region-Aware Guide
A practical guide to checking Codex eligibility, using Apple Account balance, subscribing in the ChatGPT iOS app, and avoiding region, gift-card, and duplicate-charge problems.