Master AI Agents: Code Along Tutorial (LangChain & Crew AI)

The session bridges the gap between theoretical understanding and practical implementation, showing how AI agents can autonomously perform complex tasks through tool use and multi-agent collaboration.
Workshop Recording:
Check out the session recording on YouTube - Master AI Agents: Code Along Tutorial
Deep Dive into AI Agents
Why AI Agents Matter
Traditional LLMs like ChatGPT, while powerful, operate as passive instruction-following systems. This means users must guide them step-by-step through tasks, limiting their practical utility in real-world applications. AI agents overcome these limitations by introducing autonomous decision-making and tool usage capabilities.
Key limitations of traditional LLMs that agents address:
- Passive instruction-based operation
- Inability to self-critique and adjust
- No connection to external tools or data sources
- Limited to knowledge cutoff dates
- Lack of autonomous operation
Understanding AI Agent Architecture
AI agents fundamentally transform how we interact with AI systems by introducing:
- Goal-Based Operation: Instead of responding to individual instructions, agents work toward achieving broader objectives
- Autonomous Planning: Agents can break down complex tasks into manageable steps
- Tool Integration: Ability to use external tools like web searches, calculators, and databases
- Self-Criticism: Continuous evaluation and adjustment of approaches
- Multi-Agent Collaboration: Different specialized agents working together to solve complex problems
Practical Demonstrations
1. Internet Search Agent (LangChain Implementation)
This demonstration showed how to create an agent that can access real-time information through web searches, effectively overcoming the knowledge cutoff limitation of traditional LLMs.
# Basic setup for Internet Search Agent !pip install langchain !pip install googlesearch-python from langchain.agents import Tool, AgentExecutor, LLMSingleActionAgent from langchain.utilities import GoogleSearchAPIWrapper
The agent demonstrated:
- Real-time information retrieval about cricket team captains
- Current stock price checking
- Intelligent decision-making about when to use web search vs. existing knowledge
- Proper attribution of information sources
Full code snippet: Google Colab Notebook
2. Multi-Agent Collaboration System (Crew AI)
One of the workshop's highlights was the creation of a collaborative system where multiple AI agents work together to create a functioning application.
# Setup for Multi-Agent System !pip install crew-ai !pip install googlesearch-python from crew_ai import Agent, Task, Crew
The system featured:
- Product Manager Agent: Responsible for defining requirements and specifications
- Developer Agent: Handles code implementation based on requirements
- Inter-Agent Communication: Natural language communication between agents to clarify requirements and discuss implementation details
Full code snippet: Google Colab Notebook
The agents successfully collaborated to create a working Ping Pong game, demonstrating how complex tasks can be broken down and handled by specialized agents.
3. Google's Gemini Advanced Deep Research Agent
As a bonus, participants got a glimpse of Google's powerful deep research capabilities:
- Ability to analyze multiple sources simultaneously
- Comprehensive research synthesis
- Structured output generation
- Real-world demonstration using EV market analysis
Resources and Community
Join our community of 12,000+ AI enthusiasts and learn to build powerful AI applications! Whether you're a beginner or an experienced developer, this tutorial will help you understand and implement AI agents in your projects.
- Website: www.buildfastwithai.com
- LinkedIn: linkedin.com/company/build-fast-with-ai/
- Instagram: instagram.com/buildfastwithai/
- Twitter: x.com/satvikps
- Telegram: t.me/BuildFastWithAI
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Time spent reading this blog: 5 minutes
Time saved once you implement these AI techniques: Countless hours
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