LLMs, while powerful, have limitations in answering questions based on their training knowledge.Agentic frameworks have expanded LLM functionalities, including reasoning, internet search, and deep research.Agents are workflows around LLMs that make choices around tools needed for specific tasks.Langgraph is a popular agentic framework that enables creating workflows around LLMs.MCP protocol by Anthropic connects AI models to different data sources and tools across the Internet.MCP allows clients to access agent components together in a standardized and secure manner.A2A protocol focuses on agent collaboration and complements MCP for connecting sub-agents.Both MCP and A2A frameworks use Starlette for web services but differ in protocol methods and formats.MCP and A2A enable easy setup, communication, and resource access for agents, aiding in integration of LLMs.Open-source MCP and A2A facilitate organizations to build and share agents, enabling seamless communication across systems.