Today was a big leap forward. I moved beyond basic agents and learned how to build intelligent, reliable, and stateful AI systems using LangGraph.
Instead of simple one-direction chains, I explored how real agents make decisions, loop through tasks, and recover from failures — just like humans.
🔀 1️⃣ Conditional Workflows — Agents That Choose Their Own Path
I learned how agents can:
- Make decisions based on input
- Select different tool paths
- Adapt workflows dynamically
This is the foundation of goal-driven AI agents.
🔁 2️⃣ Iterative Workflows — Agents That Think in Loops
I practiced creating loops where the agent:
- Plans
- Executes
- Evaluates
- Repeats until the job is done
Perfect for planning, refinement, and multi-step reasoning.
📦 3️⃣ Persistence — Saving State Like a Real System
I understood why persistence is crucial:
- Saves agent state
- Restores previous steps
- Continues after interruptions
- Enables long-running workflows
This is how agents become fault-tolerant.
🛡 4️⃣ Fault Tolerance & Time Travel
LangGraph allows agents to:
- Recover from errors
- Replay previous checkpoints
- “Time travel” back to a known safe state
- Avoid losing progress
This is a game-changing feature for production-grade AI systems.
🧍♂️ 5️⃣ Human in the Loop
Also learned how to pause the workflow and let a human:
- Approve
- Modify
- Inject instructions
Perfect for safety-critical applications
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🧠 6️⃣ Short-Term Memory
I practiced adding temporary memory so the agent can:
- Hold context during execution
- Pass data between steps
- Clean it once the job is done
This keeps the workflow efficient and context-aware.
checkout my notebook for practical working overview