AWSTemplateFormatVersion: '2010-09-09' Description: AWS MCP Managed Policy Resources: AWSMCPPolicy: Type: AWS::IAM::ManagedPolicy Properties: ManagedPolicyName: AWSMCPPolicy Description: AWS MCP permissions for invoking MCP tools PolicyDocument: Version: '2012-10-17' Statement: - Effect: Allow Action: - aws-mcp:InvokeMcp - aws-mcp:CallReadOnlyTool - aws-mcp:CallReadWriteTool Resource: "*"