Retrieves US Treasury yield curve data for various maturities.
AI agents call economicIndicators_treasuryYield to retrieve information from MCP Avantage without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves public economic data (US Treasury yield curves) without creating, modifying, deleting, or executing any operations. It is a straightforward read operation that has no capacity to alter state or cause harm through misuse. The data retrieved is publicly available financial information used for analysis and decision-making, not execution of trades or financial transactions.
From the tool's definition Tool name 'economicIndicators_treasuryYield' and description 'Retrieves US Treasury yield curve data' indicate a data retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Retrieves US Treasury yield curve data for various maturities. It is categorised as a Read tool in the MCP Avantage MCP Server, which means it retrieves data without modifying state.
Register the MCP Avantage MCP server in PolicyLayer and add a rule for economicIndicators_treasuryYield: 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 MCP Avantage. Nothing to install.
economicIndicators_treasuryYield 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 economicIndicators_treasuryYield 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 economicIndicators_treasuryYield. 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.
economicIndicators_treasuryYield is provided by the MCP Avantage MCP server (missionsquad/mcp-avantage). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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