Get detailed USDs stablecoin supply breakdown including rebasing vs non-rebasing supply.
AI agents call supply_get_usds_breakdown to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries supply data for the USDs stablecoin. There is no indication of creating, modifying, deleting, executing code, or moving funds. It is a straightforward data lookup operation with no reversible or irreversible side effects. Blast radius is minimal—misuse would only expose or retrieve existing supply information.
From the tool's definition Tool name 'supply_get_usds_breakdown' and description 'Get detailed USDs stablecoin supply breakdown' indicate data retrieval with no mutation or side effects. The verb 'Get' and context of querying supply metrics confirm read-only operation.
Documented attack patterns abuse exactly the kind of access supply_get_usds_breakdown gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for supply_get_usds_breakdown:
{
"version": "1",
"default": "deny",
"tools": {
"supply_get_usds_breakdown": {}
}
} supply_get_usds_breakdown is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get detailed USDs stablecoin supply breakdown including rebasing vs non-rebasing supply. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for supply_get_usds_breakdown: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.
supply_get_usds_breakdown 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 supply_get_usds_breakdown 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 supply_get_usds_breakdown. 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.
supply_get_usds_breakdown is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.