Thoughts on building products, shipping apps, and the craft of software.https://blog.dennislysenko.tech/https://blog.dennislysenko.tech/mirror-linear-mcp-into-codex/https://blog.dennislysenko.tech/mirror-linear-mcp-into-codex/A drop-in Claude Code skill that ports a per-project Linear MCP from Claude's config into Codex's per-project config file, plus an AGENTS.md note so Codex picks the right server automatically.Mon, 20 Apr 2026 00:00:00 GMThttps://blog.dennislysenko.tech/why-i-run-claude-code-and-codex-side-by-side/https://blog.dennislysenko.tech/why-i-run-claude-code-and-codex-side-by-side/Running two AI coding agents in parallel sounds redundant. The real unlock is making your workflow vendor-agnostic so you can swap between them without thinking.Sat, 11 Apr 2026 00:00:00 GMThttps://blog.dennislysenko.tech/red-blue-schedule/https://blog.dennislysenko.tech/red-blue-schedule/I split my work week into deep work days and shallow recovery days. Six months in, it's the best change I've made to how I work.Mon, 06 Apr 2026 00:00:00 GMThttps://blog.dennislysenko.tech/agency-app-wont-pass-review/https://blog.dennislysenko.tech/agency-app-wont-pass-review/The old model of app development doesn't make sense anymore. AI collapsed the timeline - but expertise is what gets you through review.Sun, 05 Apr 2026 00:00:00 GMThttps://blog.dennislysenko.tech/ceo-days/https://blog.dennislysenko.tech/ceo-days/Twice a month, I stop building and start thinking. A 15-minute structured brain dump that's become the most bang-for-buck habit in how I operate.Sat, 28 Mar 2026 00:00:00 GMThttps://blog.dennislysenko.tech/why-agents-are-actual-game-changers/https://blog.dennislysenko.tech/why-agents-are-actual-game-changers/Most people are using AI wrong. The difference between fancy autocomplete and something that actually works is one thing: a feedback loop.Sun, 22 Mar 2026 00:00:00 GMT