AgentCore went generally available in October 2025 and kept growing: Runtime, Gateway, Identity, Memory, Observability, Policy, harness, payments. What each does, which problems it solves that your framework does not, and a sensible order to adopt them.
Agent frameworks make it easy to write a loop that calls a model and some tools. They say much less about running that loop for thousands of users: keeping one user's session and data away from another's, holding OAuth tokens to act on a user's behalf, giving agents tools without writing an integration for each, letting them remember things safely, and seeing what they actually did. AgentCore is AWS's set of managed services for those problems, and it works with agents built in any framework, on any model.
From AWS's AgentCore launch posts and documentation, 2025–2026.
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Observability first, even in a prototype. Traces of every model and tool call are how you debug, evaluate and later justify the agent.
Gateway when the tool list grows past a few: one place to define tools, authenticate them and see their use.
Policy as soon as a tool can change something — send, delete, pay, deploy. Deterministic rules are the guardrail a prompt cannot be.
Runtime and Identity when the agent goes to real users: isolation and on-behalf-of access are the parts that are hardest to build safely yourself.
Memory last, and deliberately — what an agent remembers about a user is personal data with retention rules.
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As of October 25, 2026. Provided as is, for general information, and accurate to the best of our knowledge on the date shown. Not legal, compliance, tax, financial or other professional advice. Prices, limits and vendor services change; check current vendor documentation before relying on anything here. Terms of use.