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13 articles
LangGraph models an agent as nodes, edges and a shared state object. That structure buys three things a plain agent loop cannot: a place to put state, control over what happens next, and the ability to resume a run that was interrupted.
Rajiv Kumar·Aug 19, 2026·9 min read
A working prompt in a playground is not a system. Production needs a way to tell whether a change helped, a deployment model that matches the traffic, content filtering you have configured deliberately, and observability into what is being spent.
Rajiv Kumar·Aug 5, 2026·10 min read
Copilot Studio makes it easy to build an agent that answers from documents. The gap between that and something people rely on is scope, grounded answers, real actions, and knowing what the agent must refuse to do.
Rajiv Kumar·Jul 8, 2026·11 min read
When a RAG system gives a wrong answer, the instinct is to change the prompt. Almost always the right passage was never retrieved. Chunking, hybrid search, filters and semantic ranking are the levers that actually move quality.
Rajiv Kumar·Jun 22, 2026·11 min read
A PCF component is real code inside a low-code app, with a defined lifecycle and a real build pipeline. This covers the manifest, the lifecycle methods that trip people up, and the honest question of whether you should write one at all.
Rajiv Kumar·Jun 3, 2026·14 min read
Provisioning Azure Database for MySQL is easy. Getting connectivity, collation and connection handling right at the start is what determines whether the next year is quiet — and all three are painful to change afterwards.
Rajiv Kumar·May 27, 2026·6 min read
Power Pages puts Dataverse on the public internet. Table permissions and web roles are the entire access model — not page visibility, not hidden links — and understanding how a permission is scoped is what separates a safe site from an exposed one.
Rajiv Kumar·May 14, 2026·6 min read
The questions that come up whenever a team starts building with language models: why it makes things up, whether to fine-tune, how much context to send, what it will cost, and how to know whether a change made things better.
Rajiv Kumar·May 6, 2026·6 min read
Canvas and model-driven apps are not two ways to build the same thing. One starts from a screen, the other starts from a schema — and that difference determines what each one is cheap and expensive to change later.
Rajiv Kumar·Apr 22, 2026·7 min read
Logic Apps and Power Automate cloud flows are built on the same workflow engine and look nearly identical in the designer. The differences that matter are operational — who owns it, how it is deployed, how it is monitored, and what happens when it fails at three in the morning.
Rajiv Kumar·Apr 8, 2026·5 min read
