I'm a CTO based in London, UK. I love building products and teams that solve real problems. I write about software engineering, product management, and leadership.https://mickdelaney.com/https://mickdelaney.com/posts/the-protocol-layer-watching-theory-play-out/https://mickdelaney.com/posts/the-protocol-layer-watching-theory-play-out/Google's developer guide to AI agent protocols is framed as a tutorial. Read it through a Coasean lens and it's something more interesting — live evidence that the transaction costs making firms necessary are being eliminated, layer by layer, in the open.Fri, 03 Apr 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-16-the-firm-in-2026/https://mickdelaney.com/posts/firm-under-ai-16-the-firm-in-2026/Returning to Coase's original question — why do firms exist? — with fifteen posts of new machinery. The answer has not changed. The composition of the costs has.Tue, 17 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-15-the-agentic-ecosystem/https://mickdelaney.com/posts/firm-under-ai-15-the-agentic-ecosystem/The shift from hierarchy to protocol-governed agent coordination is not theoretical. Over fifty companies are engineering it now. Here is what the early evidence tells us.Sun, 15 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-14-value-stream-mapping/https://mickdelaney.com/posts/firm-under-ai-14-value-stream-mapping/Protocols define how participants interact. Value streams define why. By mapping the flow of outcomes rather than the structure of teams, we align architecture, organisation, and network around the same thing: how value is actually produced.Fri, 13 Mar 2026 07:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-13-the-physics-of-flow/https://mickdelaney.com/posts/firm-under-ai-13-the-physics-of-flow/Queuing theory reveals the hidden physics governing how work flows through organisations. Every boundary is a queue. High utilisation destroys responsiveness. And AI agents change the service rate — but not the dynamics.Thu, 12 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-12-the-protocol-layer/https://mickdelaney.com/posts/firm-under-ai-12-the-protocol-layer/How networked firms coordinate work through protocols instead of hierarchy.Wed, 11 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-11-the-geometry-of-networks/https://mickdelaney.com/posts/firm-under-ai-11-the-geometry-of-networks/Not all networks scale the same way. The geometry of a network — broadcast, connection, or group-forming — determines how its value grows, and which institutions it produces.Mon, 09 Mar 2026 12:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-10-metcalfes-law-conways-law-networked-firm/https://mickdelaney.com/posts/firm-under-ai-10-metcalfes-law-conways-law-networked-firm/Metcalfe's Law governs the value of the external network, while Conway's Law governs the structure of the organization that builds and operates it.Sun, 08 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-9-the-hybrid-topology/https://mickdelaney.com/posts/firm-under-ai-9-the-hybrid-topology/We are witnessing the collapse of the corporate Tree into the Hybrid Mesh. As intelligence becomes infrastructure, the distance between strategy and execution shrinks to a single, high-density hop.Sat, 07 Mar 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-8-knowledge-diffusion-and-network-density/https://mickdelaney.com/posts/firm-under-ai-8-knowledge-diffusion-and-network-density/Firms do not only coordinate production. They concentrate knowledge. Innovation has historically depended on short-distance diffusion through dense networks.Sun, 22 Feb 2026 10:00:00 GMThttps://mickdelaney.com/posts/firm-under-ai-7-agentic-labour-when-work-becomes-executable/https://mickdelaney.com/posts/firm-under-ai-7-agentic-labour-when-work-becomes-executable/Software first reduced coordination costs. Now autonomous agents begin to execute parts of labor itself. This changes the structure of work without eliminating it.Fri, 20 Feb 2026 18:30:00 GMThttps://mickdelaney.com/posts/firm-under-ai-6-the-platform-as-proto-firm/https://mickdelaney.com/posts/firm-under-ai-6-the-platform-as-proto-firm/Platforms are not the disappearance of the corporation. They are a reconfiguration of how coordination occurs within a corporate shell.Thu, 19 Feb 2026 20:15:00 GMThttps://mickdelaney.com/posts/firm-under-ai-5-the-boundary-of-the-firm-in-a-digital-age/https://mickdelaney.com/posts/firm-under-ai-5-the-boundary-of-the-firm-in-a-digital-age/If firms exist because coordination is costly, what happens when coordination becomes cheaper again? The boundary of the firm is not fixed.Wed, 18 Feb 2026 18:30:00 GMThttps://mickdelaney.com/posts/firm-under-ai-4-the-innovators-dilemma/https://mickdelaney.com/posts/firm-under-ai-4-the-innovators-dilemma/When coordination costs shift, firm boundaries should adjust. But mature corporations are optimised for a cost structure that no longer holds — and their own incentives prevent adaptation.Tue, 17 Feb 2026 20:15:00 GMThttps://mickdelaney.com/posts/firm-under-ai-3-when-corporations-became-too-big/https://mickdelaney.com/posts/firm-under-ai-3-when-corporations-became-too-big/The managerial corporation solved coordination at scale. But hierarchy has structural limits — and the same mechanisms that enabled growth eventually constrained it.Mon, 16 Feb 2026 19:15:00 GMThttps://mickdelaney.com/posts/firm-under-ai-2-rise-of-the-managerial-corporation/https://mickdelaney.com/posts/firm-under-ai-2-rise-of-the-managerial-corporation/Corporations did not just reduce transaction costs. In the 20th century, they became the dominant institution for organising production, concentrating capital, and coordinating labour at scale.Sun, 15 Feb 2026 18:30:00 GMThttps://mickdelaney.com/posts/firm-under-ai-1-why-corporations-exist-a-coasean-foundation/https://mickdelaney.com/posts/firm-under-ai-1-why-corporations-exist-a-coasean-foundation/Corporations did not emerge by accident. They are coordination machines. In 2026, as transaction costs fall, we revisit why they exist — and what might be changing.Sat, 14 Feb 2026 10:00:00 GMThttps://mickdelaney.com/posts/metrics-are-projection/https://mickdelaney.com/posts/metrics-are-projection/Metrics don't measure reality — they project it. As systems become more autonomous, projection design matters more than model intelligence.Mon, 09 Feb 2026 10:00:00 GMThttps://mickdelaney.com/posts/agent-experimentation-at-the-edge/https://mickdelaney.com/posts/agent-experimentation-at-the-edge/Execution, collaboration, and ecosystems: three edges where agent innovation is actually happening — and what it means for building durable, human-centered systems.Wed, 04 Feb 2026 10:00:00 GMThttps://mickdelaney.com/posts/agent-stability/https://mickdelaney.com/posts/agent-stability/Agent workflows feel new, but the stability problems they face are not. Here's how decades of integration architecture apply to building production agent systems.Sat, 24 Jan 2026 10:00:00 GMThttps://mickdelaney.com/posts/langgraph-database-transactions/https://mickdelaney.com/posts/langgraph-database-transactions/Three patterns for keeping LangGraph workflow state and database state synchronized - idempotent tasks, read-before-write synchronization, and the transactional outbox pattern.Thu, 22 Jan 2026 18:00:00 GMThttps://mickdelaney.com/posts/data-to-decisions/https://mickdelaney.com/posts/data-to-decisions/An Intuitive Journey Through Statistics & Hypothesis Testing in a coffee shopMon, 17 Nov 2025 10:00:00 GMThttps://mickdelaney.com/posts/maths-as-code-for-ml/https://mickdelaney.com/posts/maths-as-code-for-ml/Translate the maths you see in ML papers into code you can write. A compact cheat sheet mapping notation → intuition → Python/NumPy (and JS).Mon, 03 Nov 2025 00:00:00 GMThttps://mickdelaney.com/posts/agents-routing-patterns-and-actors/https://mickdelaney.com/posts/agents-routing-patterns-and-actors/Building Agent Networks that Don't Collapse Under Their Own ClevernessTue, 17 Jun 2025 10:00:00 GMThttps://mickdelaney.com/posts/agents-are-still-just-software/https://mickdelaney.com/posts/agents-are-still-just-software/Agents Are Just Software Why the Next Wave of AI Is Really a Distributed-Systems Story.Sun, 08 Jun 2025 10:00:00 GMT