Today, AWS announced cross-account and cross-role access for the AWS Model Context Protocol (MCP) Server, part of the Agent Toolkit for AWS . This feature allows developers using AI coding agents like Kiro, Claude Code, or Codex to work across multiple AWS accounts and AWS Identity and Access Management (IAM) roles within a single session, with no restarts required. Previously, switching profiles required stopping the AI coding session, updating local AWS credentials, and restarting the MCP server for every account change. Now, AI agents using the AWS MCP Server can specify a profile on each c
The rapid adoption of AI coding agents necessitates more seamless and secure operational workflows, driving the need for enhanced cross-account capabilities to support complex development environments.
This development streamlines the use of AI coding agents in multi-account AWS environments, enhancing developer productivity and enabling more sophisticated, enterprise-scale AI-driven development.
Developers can now use AI coding agents across multiple AWS accounts and roles without manual credentials updates and restarts, significantly improving efficiency and integration for AI agent workflows.
- · AWS
- · AI coding agent developers
- · Enterprises with multi-account AWS architectures
- · Third-party AI agents (Kiro, Claude Code, Codex)
Increased adoption and utility of AI coding agents within complex enterprise AWS environments due to reduced operational friction.
Faster development cycles for cloud-native applications as AI agents become more integrated and efficient across organizational units.
Potential for new security best practices and tooling emerging to manage consolidated access for AI agents across diverse AWS infrastructure.
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Read at AWS What's New