gcp_iam_remove_iam_binding
Remove an IAM binding from the project policy
This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-iam-remove-iam-binding.md
What gcp_iam_remove_iam_binding does on GCP MCP Server
AI agents call gcp_iam_remove_iam_binding to permanently remove resources in GCP MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why gcp_iam_remove_iam_binding is rated Critical
Removing IAM bindings revokes access permissions and cannot be automatically undone by the tool itself. This is a destructive operation that permanently alters security posture. An AI agent misusing this could lock out legitimate users, disable security controls, or revoke critical service account permissions, making it critical severity.
From the tool's definition Tool name explicitly states 'remove' combined with 'IAM binding' and 'project policy'; IAM bindings control access permissions and their removal is irreversible without manual restoration by an admin.
Attacks that exploit this kind of access
The rule that runs gcp_iam_remove_iam_binding safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GCP MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gcp_iam_remove_iam_binding, this is the rule to start with:
gcp_iam_remove_iam_binding is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_iam_remove_iam_binding call is checked against it from then on.
Questions about gcp_iam_remove_iam_binding
Remove an IAM binding from the project policy. It is categorised as a Destructive tool in the GCP MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_iam_remove_iam_binding: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches GCP MCP Server. Nothing to install.
gcp_iam_remove_iam_binding is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the gcp_iam_remove_iam_binding rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for gcp_iam_remove_iam_binding. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
gcp_iam_remove_iam_binding is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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