What are the core components required to build a robust AI agent in 2026?

Intermediate
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What basic parts are needed to build a strong and reliable AI agent?

2
  1. You first need to select a framework and SDK , such as, lang chain, crewAI, vercel AI SDK, etc.
  2. Build your system prompts
  3. Run evaluations with system prompts plugged in.
  4. Collect metrics and logs and understand your Agent behavior.
  5. Repeat step 3 until you get expected results from your agent by fine tuning your prompt.

Next steps, decide if RAG is required, adapter to be built or fine a model. This requires data to fine tune models.

I can help with performance and reliability of your agent.