AI agents call get_assets to retrieve information from Waiaas without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The naming convention 'get_' is a strong indicator of a read-only operation that retrieves data. In the context of a wallet MCP server, this tool almost certainly queries the user's asset holdings, balances, or portfolio state. Without evidence of code execution, fund transfers, or data modification, this falls squarely into the Read category.
From the tool's definition Tool name 'get_assets' indicates a query or retrieval operation with no parameters or description provided. On a wallet server, this naturally retrieves asset information without modifying or transferring funds.
Documented attack patterns abuse exactly the kind of access get_assets gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Waiaas, and nothing reaches the server without passing your rules. This is the rule we recommend for get_assets:
{
"version": "1",
"default": "deny",
"tools": {
"get_assets": {}
}
}get_assets is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_assets. It is categorised as a Read tool in the Waiaas MCP Server, which means it retrieves data without modifying state.
Register the Waiaas MCP server in PolicyLayer and add a rule for get_assets: 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 Waiaas. Nothing to install.
get_assets 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_assets 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_assets. 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_assets is provided by the Waiaas MCP server (minhoyoo-iotrust/waiaas). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Waiaas, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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126 Waiaas tools catalogued and risk-classified — across an index of 43,000+ MCP servers.