identity_set_token_vault_cmk
AI agents use identity_set_token_vault_cmk to create or update resources in Amazon MQ MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Amazon MQ MCP Server environment.
The tool name indicates setting/configuring a Customer Master Key in a token vault, which modifies security-sensitive infrastructure. Without description, this is conservatively classified as Write (reversible modification) rather than Execute or Destructive. Confidence is reduced due to lack of explicit description and ambiguous naming.
From the tool's definition Tool name 'identity_set_token_vault_cmk' suggests setting or configuring a CMK (Customer Master Key) in a token vault, implying modification of cryptographic key configuration. No description provided to clarify scope.
Attacks that exploit this kind of access
identity_set_token_vault_cmk. It is categorised as a Write tool in the Amazon MQ MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Amazon MQ MCP Server MCP server in PolicyLayer and add a rule for identity_set_token_vault_cmk: 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 Amazon MQ MCP Server. Nothing to install.
identity_set_token_vault_cmk is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the identity_set_token_vault_cmk 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 identity_set_token_vault_cmk. 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.
identity_set_token_vault_cmk is provided by the Amazon MQ MCP Server MCP server (awslabs.amazon-mq-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.