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AI Agent Evaluation: A Practical Guide
From pass@k to prompt injection: everything you need to evaluate an AI agent before it touches production.

Nagesh Singh Chauhan
4 days ago15 min read


A2A Protocol in Agentic AI: How AI Agents Discover, Delegate, and Collaborate
This article examines A2A from a systems-engineering perspective: its architecture, communication model, protocol objects, task lifecycle, relationship with MCP, practical implementation patterns, limitations, and security requirements.

Nagesh Singh Chauhan
Oct 2315 min read


Introduction to Decision Models in AI
A decision model is a machine learning model designed to select, classify, rank, or score outcomes based on an input state and a defined decision task.

Nagesh Singh Chauhan
Oct 2217 min read


Harness²: How Google Is Rethinking AI Agents to Solve More Complex Problems
Instead of relying exclusively on a more powerful model, can we make the system surrounding a model progressively better at solving different problems?

Nagesh Singh Chauhan
Oct 1918 min read


Agentic RAG Explained: How AI Agents Search, Evaluate, and Refine Knowledge
From static retrieval pipelines to intelligent, self-correcting AI systems

Nagesh Singh Chauhan
Oct 1318 min read


Designing Agentic AI Systems: 20 Patterns That Matter
Designing Agentic AI Systems: 20 Patterns That Matter

Nagesh Singh Chauhan
Oct 413 min read


Deep Agents Demystified: The Architecture of Complex AI
A practical deep dive into planning, subagents, context engineering, memory, tools, and autonomous execution.

Nagesh Singh Chauhan
Sep 2617 min read


Build a Multi-Agent AI Personal Learning Assistant Using LangGraph
How eight specialised AI agents, two LangGraph state machines, a Tavily MCP search pipeline, and the 40-year-old SM-2 memory algorithm combine to create a tutor that gets smarter every session.

Nagesh Singh Chauhan
Jun 2610 min read


How I Built Voyager — A Multi-Agent Architecture Using LangGraph
How I Built Voyager — A Multi-Agent Architecture Using LangGraph

Nagesh Singh Chauhan
Jun 238 min read


The Anatomy of an Agent Harness
At its core, an agent harness is the execution runtime that governs how an AI agent behaves across an entire lifecycle of interaction

Nagesh Singh Chauhan
Jun 66 min read


Introduction to Ollama
Running Large Language Models Locally, Simply and Securely

Nagesh Singh Chauhan
Jan 246 min read


Building Long-Term Memory in AI Agents
Imagine an AI that goes beyond answering questions—one that remembers what matters to you, learns from each interaction, and continuously adapts to become more intuitive, relevant, and personalized over time.

Nagesh Singh Chauhan
Jan 1612 min read
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