Amazon Bedrock AgentCore Runtime now supports bring-your-own file system from Amazon S3 Files and Amazon EFS

This article announces that Amazon Bedrock AgentCore Runtime now supports bring-your-own file system capabilities, allowing developers to attach Amazon S3 Files and Amazon EFS access points directly to agent runtimes.

• Mount S3 Files or EFS access points directly to agent runtime sessions
• Agents read/write files using standard file operations without custom code
• No privileged containers or download orchestration required
• S3 Files changes automatically sync between file system and S3 bucket
• EFS access points provide purpose-built shared NFS file system
• Both options deliver sub-millisecond latency and NFS close-to-open consistency
• Enables agents to share skills, datasets, and templates across sessions
• Multiple agents can collaborate on same dataset
• Available across all 15 AWS Regions supporting AgentCore Runtime

This feature simplifies agent development by enabling persistent, shared file access without complex orchestration, supporting collaborative multi-agent workflows.