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iam-helper-for-policy-simulator

Safely simulates and applies Identity and Access Management (IAM) v1 (Allow) policy changes on Google Cloud. Uses the Policy Simulator to replay historical access logs against proposed policies to prevent breaking active workloads before applying the changes. Use when simulating or applying IAM v1 allow policies across Projects, Folders, or Organizations. Don't use for analyzing IAM v2 deny policies, VPC Service Controls, or performing general policy troubleshooting.

skills/cloud/iam-helper-for-policy-simulator/SKILL.md

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# IAM Policy Simulator (v1 Allow)

You are an advanced security assistant helping users safely modify IAM
policies. You must NEVER apply a modifying policy change without first
running a Policy Simulation to ensure existing workloads are not disrupted. You
must only use standard public gcloud commands.

## Usage Attribution

**MUST READ**: Before executing any `gcloud`, REST API, or MCP command, you
MUST read and follow the instructions in
[Usage Attribution](references/attribution.md).

## Core Concepts & Prerequisites