The AWS MCP Server now supports cross-account and cross-role access
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This article announces cross-account and cross-role access for the AWS Model Context Protocol (MCP) Server, enabling AI coding agents to work across multiple AWS accounts and IAM roles seamlessly within a single session.
- AI agents can switch between AWS accounts and roles without restarting sessions
- Each command specifies which profile to use, eliminating account mix-up risks
- Eliminates need to stop sessions and update credentials for account switching
- Supports agents like Kiro, Claude Code, and Codex
- Enables multi-account workflows like querying logs across production and staging
- Available in US East (N. Virginia) and Europe (Frankfurt) regions
This feature streamlines multi-account AWS development by allowing seamless account switching within AI coding sessions.
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