AWS publishes push-based sync guide for Agent Registry
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AWS published a technical walkthrough for an event-driven pipeline that keeps AWS Agent Registry records for MCP servers current without manual updates. AWS CloudTrail captures UpdateAgentRuntime API calls, Amazon EventBridge routes them across accounts, and a Lambda function queries the MCP server's tools using AgentCore Identity OAuth tokens, then diffs and updates the matching registry record. The sample supports single- and multi-account setups. AWS says the sample Lambda updates existing records only and does not create new ones. When it writes new tool definitions, the record automatically reverts to Draft status, and a curator or administrator must approve the update before the new metadata becomes discoverable.
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- AWS Machine Learning BlogAutomating AWS Agent Registry updates with a push-based architecture
AWS outlines an event-driven pipeline that keeps AWS Agent Registry records for MCP servers current without manual updates. AWS CloudTrail captures UpdateAgentRuntime API calls, Amazon EventBridge routes them across accounts, and a Lambda function queries the MCP server's tools via AgentCore Identity OAuth tokens, then diffs and updates the matching registry record. The sample updates existing records only and supports both single- and multi-account setups.
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