One Agent, One Worktree: Isolation and Concurrency for Coding Agents
Alen Joy
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31 posts published so far
Tests Are the Verification Layer: Proving Agent Generated Changes
Alen Joy
Reviewing Code Nobody Typed: Human Judgment in an Agentic Workflow
Alen Joy
The Pull Request Is the Product: A Delivery System for Coding Agents
Alen Joy
The Ticket Is the Contract: Specifying Work for Coding Agents
Alen Joy
The Repository Is the Prompt: Preparing a Codebase for Coding Agents
Alen Joy
One Screen the Architect Can Defend: A Reference Architecture for the .NET Agentic Service
Alen Joy
The User Stopped Reading at Token Two: Streaming Chat on .NET
Alen Joy
Twenty Three Runs, One Restart, Zero Survivors: Hosting Long Running Agents
Alen Joy
Structured Outputs in C# — Schema, Records, and the End of String-Parsing
Alen Joy
The Substrate That Wins by Being Boring: Microsoft.Extensions.AI as the Unified Client Layer
Alen Joy
The Framework Died, the Architecture Lived: From Semantic Kernel to the Microsoft Agent Framework
Alen Joy
The Invoice Was the Only Alert That Fired: Cost Guardrails for LLM Systems
Alen Joy
Everything Is Green and the CEO Is Furious: Incident Response When the Model Is the Bug
Alen Joy
The Better Model Broke Production: Rolling Out a New Model Safely
Alen Joy
The Behaviour Was the Bug: Observability for Systems Where Stack Traces Don't Help
Alen Joy
The Diff Was Empty: Treating Prompts as Code and Models as Dependencies
Alen Joy
Your Eval Lied: The Architecture of a Real LLM Evaluation Program
Alen Joy
The Agent Reasons, the Engine Remembers: Designing an Agentic Workflow Engine
Alen Joy
Nothing Scales the Way You Think: Designing an LLM Inference Platform
Alen Joy
The Intern with a Refund Button: Designing a Customer Support Agent at Scale
Alen Joy
The Retriever Is Your Security Perimeter: Designing a Multi Tenant RAG Knowledge Base
Alen Joy
Faster Than the Fingers: Designing a Real Time Coding Assistant
Alen Joy
Designing AI Search: The Answer Layer and the Iceberg Beneath It
Alen Joy
More Agents, More Problems
Alen Joy