identity_set_token_vault_cmk

WHAT IT DOES

What identity_set_token_vault_cmk does on Amazon Location Service MCP Server

AI agents use identity_set_token_vault_cmk to create or update resources in Amazon Location Service MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Amazon Location Service MCP Server environment.

THE RISK

Medium Risk

Why identity_set_token_vault_cmk needs a policy

The tool performs a write/modification operation on security-sensitive authentication infrastructure (token vault CMK). While the empty description limits confidence, the semantic meaning of 'set_token_vault_cmk' indicates creation or modification of cryptographic key configuration, which is reversible (Write) rather than destructive.

From the tool's definition Tool name 'identity_set_token_vault_cmk' indicates setting or modifying a token vault customer master key (CMK) associated with identity/authentication infrastructure.

Documented attack patterns abuse exactly the kind of access identity_set_token_vault_cmk gives an agent:

POLICY

How to control identity_set_token_vault_cmk

PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon Location Service MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for identity_set_token_vault_cmk:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "identity_set_token_vault_cmk": {
      "limits": [
        {
          "counter": "identity_set_token_vault_cmk_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

identity_set_token_vault_cmk stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Amazon Location Service MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

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Go deeper

Govern customer-ops agents → PII redaction, approval on external messages, and no-bulk-delete rules on the records agents change.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about identity_set_token_vault_cmk

What does the identity_set_token_vault_cmk tool do? +

identity_set_token_vault_cmk. It is categorised as a Write tool in the Amazon Location Service MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on identity_set_token_vault_cmk? +

Register the Amazon Location Service 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 Location Service MCP Server. Nothing to install.

What risk level is identity_set_token_vault_cmk? +

identity_set_token_vault_cmk is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit identity_set_token_vault_cmk? +

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.

How do I block identity_set_token_vault_cmk completely? +

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.

What MCP server provides identity_set_token_vault_cmk? +

identity_set_token_vault_cmk is provided by the Amazon Location Service MCP Server MCP server (awslabs.aws-location-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Amazon Location Service MCP Server tool call.

Start from Amazon Location Service MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

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805 Amazon Location Service MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.