DadgogoAI Dictionary

Dictionary entry

AI agent stack

noun

also agent stack or AI agents stack

TopicBuilding with AI Senses1

Definition of AI agent stack

  1. : the set of technical layers used to build and operate an AI agent, typically including models, orchestration, tools, memory, runtime infrastructure, evaluation, observability, and guardrails

    • The team simplified its AI agent stack by removing a separate vector database that the application did not need.
    • A production agent stack needs more than a model API because it must preserve state, call tools, and monitor failures.
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Origin & history

The phrase adapts technology stack to agentic systems. Layered agent-stack diagrams were circulating by 2024, and in 2026 Vercel and O'Reilly published widely read descriptions of the infrastructure needed to move an agent from a model loop into production.

Editorial references

Sources & further reading

3 sources
  1. The Agent Stack Vercel · 2026-06-20
  2. The AI Agents Stack (2026 Edition) O'Reilly Radar · 2026-06-08
  3. One Tech Tip: How to get started with AI agents, and which are best for specific tasks Associated Press · 2026-10-28

Test yourself

Which of these is the meaning of AI agent stack?

Related terms

AI agent an AI system that can pursue a goal over many steps on its own, deciding what to do next… harness engineering the work of building everything around an AI model that lets it act as a reliable agent… model routing the automatic selection of which AI model, model tier, or model provider should handle a… agentic workflow a process in which one or more AI agents carry out a series of steps, such as research… AI observability the practice of collecting and connecting traces, metrics, logs, evaluations, and other…

Cite this entry

"AI agent stack." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/ai-agent-stack/. Accessed 30 Oct. 2026.

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