AI × Business Central
I work on two things that are colliding: Microsoft Dynamics 365 Business Central and applied AI. I write about AL and ERP engineering, about building with LLMs and about the increasingly interesting place where they meet, always from what actually ships, not the demo.
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Your AI feature must run on a fresh tenant, or it doesn't run The line between a demo and a product is whether it works on a clean Business Central environment with none of your developer setup. Five concrete things that separate 'works on my box' from 'a customer can actually use it'. 
Shipping a Copilot feature in Business Central that survives real users A PromptDialog demo takes an afternoon. A Copilot feature real users won't switch off takes the other 90%: scoping, grounding, the generate, review, accept loop and treating the model's output as a proposal that never silently touches data. 
Your AppSource dependency is a live product and AVS0118 is the proof If your apps share a 'Core' library, you may believe it's bundled or internal. AVS0118 says otherwise: Core is its own independently-live AppSource offer and the fix for the error is not in your consumer app at all. Latest writing
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Business Central 28.2: everything that shipped and the line you shouldn't skip
A complete walkthrough of Business Central update 28.2: Copilot and agents, financials, e-documents, the new auditor APIs, quality management, sustainability. Plus the one good-to-know line that quietly changes data residency: from July 1, 2026, Copilot and agent prompts can be processed in another Azure geography.
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Claude Fable 5: What the New Top Tier Changes for Your Code
Anthropic's Fable 5 opened a new model tier above Opus, then the US government pulled it four days after launch. Twice the price, a much slower first token and a lead that grows with task length: why Opus 4.8 stays the better daily driver, what breaks in your code and why a model vanishing overnight is the best argument for routing through a gateway.
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Your Business Central MCP server should be read-only until it can't be
The Business Central MCP server is GA-adjacent and the pitch writes itself: connect Claude or Copilot Studio, read and write ERP data in natural language, no custom API. The connection is the boring part. You've just handed a promptable, nondeterministic actor a write path to your ledger and the only thing standing between it and a posted document is how you configured it.
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When NOT to use an AI agent in Business Central
The built-in agents are GA and every partner is asking 'can an agent do this?' That's the wrong question. For a large class of BC work, a deterministic codeunit beats an agent on cost, latency and auditability and picking the agent anyway is a downgrade dressed as innovation.
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Your AI feature must run on a fresh tenant, or it doesn't run
The line between a demo and a product is whether it works on a clean Business Central environment with none of your developer setup. Five concrete things that separate 'works on my box' from 'a customer can actually use it'.
