AI agents call get-account to retrieve information from MetaMask MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a read-only query that retrieves the current blockchain account associated with MetaMask. It does not modify state, execute transactions, or create side effects. While blockchain account information could be considered sensitive, the tool itself performs no destructive or risky actions—it simply exposes data already accessible within the user's authenticated MetaMask session.
From the tool's definition Tool name 'get-account' and description 'Get the current account' indicate a retrieval operation with no side effects. Returns account information from MetaMask.
Documented attack patterns abuse exactly the kind of access get-account gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MetaMask MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get-account:
{
"version": "1",
"default": "deny",
"tools": {
"get-account": {}
}
}get-account is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get the current account. It is categorised as a Read tool in the MetaMask MCP MCP Server, which means it retrieves data without modifying state.
Register the MetaMask MCP server in PolicyLayer and add a rule for get-account: 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 MetaMask MCP. Nothing to install.
get-account is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get-account 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 get-account. 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.
get-account is provided by the MetaMask MCP server (xiawpohr/metamask-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MetaMask MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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29 MetaMask MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.