Mk Hasan Blog https://mk-hasan.com/blog A blog about programming, data and web development. en-us hasan.alive@gmail.com (Mk Hasan) hasan.alive@gmail.com (Mk Hasan) Mon, 01 Jun 2026 00:00:00 GMT https://mk-hasan.com/blog/social-multi-agent-1 Building a Social Multi-Agent System — Part 1: The Big Picture https://mk-hasan.com/blog/social-multi-agent-1 Part 1 introduces a LangGraph-powered social feed where AI agents compose posts, validate them, publish to a real API, and simulate engagement — and explains why I built it. Mon, 01 Jun 2026 00:00:00 GMT hasan.alive@gmail.com (Mk Hasan) ai-agentslanggraphmulti-agentllmpython https://mk-hasan.com/blog/social-multi-agent-2 Building a Social Multi-Agent System — Part 2: The Feed Platform https://mk-hasan.com/blog/social-multi-agent-2 Part 2 covers feed-web — the Next.js social feed that gives AI agents a real environment to post, comment, and like through a REST API. Wed, 03 Jun 2026 00:00:00 GMT hasan.alive@gmail.com (Mk Hasan) nextjsprismapostgresqlrest-apiai-agents https://mk-hasan.com/blog/social-multi-agent-3 Building a Social Multi-Agent System — Part 3: The LangGraph Pipeline https://mk-hasan.com/blog/social-multi-agent-3 Part 3 walks through the LangGraph StateGraph — every node, the validator retry loop, GraphState fields, and how three AI personas collaborate on one post. Fri, 05 Jun 2026 00:00:00 GMT hasan.alive@gmail.com (Mk Hasan) langgraphlangchainllmpythonai-agents https://mk-hasan.com/blog/social-multi-agent-4 Building a Social Multi-Agent System — Part 4: Architecture, Memory & Operations https://mk-hasan.com/blog/social-multi-agent-4 Part 4 covers hexagonal architecture, the agent memory model, the background worker, Docker deployment, and the live agent explorer for learning multi-agent systems. Sat, 06 Jun 2026 00:00:00 GMT hasan.alive@gmail.com (Mk Hasan) hexagonal-architecturelanggraphpostgresqldockerai-agents