Articles on engineering, architecture, and building products by Hariom Sharma.https://harryy.me/https://harryy.me/blog/multiple-claude-code-accounts-one-terminal/https://harryy.me/blog/multiple-claude-code-accounts-one-terminal/Use direnv and CLAUDE_CONFIG_DIR to switch Claude Code accounts and profiles by folder, then use the same setup to isolate MCP credentials for personal, org, and client work.Sun, 10 May 2026 00:35:00 GMTaiagentsprogrammingproductivitysecurityclaude-codemcpdirenvhttps://harryy.me/blog/claude-is-fast-codex-is-slow/https://harryy.me/blog/claude-is-fast-codex-is-slow/I gave the same large repo work to Claude Code and OpenAI Codex. Here is what changed in speed, code quality, tests, and shipping confidence.Tue, 05 May 2026 00:00:00 GMTaiagentsprogrammingproductivityopenai-codexclaude-codetoolinghttps://harryy.me/blog/building-a-free-geolocation-api-on-cloudflare-workers/https://harryy.me/blog/building-a-free-geolocation-api-on-cloudflare-workers/A practical build story for a free REST API with countries, states, cities, IP geolocation, Cloudflare Workers, D1, Hono, and SQLite FTS5.Thu, 30 Apr 2026 14:40:59 GMTopensourcewebdevdevopsprogrammingcloudflareapiedge-computinghttps://harryy.me/blog/hello-world/https://harryy.me/blog/hello-world/A short note on turning private engineering notes, debugging stories, and product lessons into public writing.Fri, 24 Apr 2026 06:00:00 GMTcareerdiscussprogrammingwebdevmeta