Blog

Writing on agentic AI, blockchain, and AI systems architecture.

Technical writing by Mudassir Khan — agentic AI consultant and AI systems architect. New posts published directly on this site. Earlier writing on Dev.to.

Agentic AI

Multi-agent design patterns, LLM selection, agent evaluation, and security for production autonomous systems.

Cover illustration for: Multi-Agent Design Patterns: The Four That Work in Production
Agentic AIAI Architecture10 min read

Multi-Agent Design Patterns: The Four That Work in Production

Sequential, orchestrator-worker, hierarchical, and dynamic handoff — the four multi-agent patterns used in production in 2026, with LangGraph implementation guidance for each.

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Cover illustration for: OpenAI vs Anthropic vs Google: Which LLM for Your Agent?
LLMsAgentic AI10 min read

OpenAI vs Anthropic vs Google: Which LLM for Your Agent?

Not all LLMs are equal for agentic AI. This comparison covers GPT-5.4, Claude Sonnet 4.6, and Gemini 2.5 across tool-call reliability, context, cost, and safety for production agents.

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Cover illustration for: How to Evaluate LLM Agents in Production: Beyond Unit Tests
AI EngineeringAgentic AI9 min read

How to Evaluate LLM Agents in Production: Beyond Unit Tests

Agent failures happen at the span level, not the final output. This guide covers RAGAS metrics, span-level evaluation, LangSmith setup, and the target scores that matter in 2026.

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Cover illustration for: Prompt Injection and AI Agent Security: A Production Defense Guide
Agentic AIAI Engineering10 min read

Prompt Injection and AI Agent Security: A Production Defense Guide

Prompt injection is OWASP's number one LLM risk. This guide covers the Lethal Trifecta, indirect injection, and the seven-layer defense stack for production agents in 2026.

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Cover illustration for: Blockchain and Agentic AI: How Autonomous Agents Go On-Chain
Agentic AIAI Architecture9 min read

Blockchain and Agentic AI: How Autonomous Agents Go On-Chain

AI agents with wallets, smart contract execution, and on-chain governance are live in 2026. This guide covers the architecture, ERC-4337 account abstraction, and production use cases.

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More posts coming soon

A 30-post technical series on agentic AI architecture, LangGraph patterns, blockchain compliance engineering, and production AI systems is in progress. Follow on Dev.to or LinkedIn to be notified.

Blog — Agentic AI, Blockchain & AI Architecture Writing | Mudassir Khan