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• Writing10 Jul 2026Two million games, one running clockPlate two: two players sharing one truth while the clock runs, and why the bravest thing a real-time system can do is stop.
• Writing6 Jul 2026Securing GenAI at enterprise scaleLarge language models are rarely the weakest part of a GenAI system. The prompts, permissions, tools and people wrapped around them usually are.
• Writing3 Jul 2026Answering questions with MCPThis site now answers questions over MCP through a tool called `ask_matt`. It quotes from published articles, hands over the hand-kept numbers when a question wants one, cites everything, and refuses the rest. The refusal took the most design effort.
• Writing22 Jun 2026The anatomy of a resilient systemServers fail every day. Whether that becomes an outage depends far more on the organisation than the infrastructure.
• PageWritingNotes on platform engineering, AI and dependable software.
• PageArchiveEvery article in one chronological index, grouped by year.
• PageProjectsSide projects that survived into libraries, products and lessons.