treasurydirect.auction.results
Completed US Treasury security auction results by type and look-back period. Returns CUSIP, issue/maturity dates, high yield, high discount rate, bid-to-cover ratio, total accepted/tendered amounts, and auction format for Bills (4-52 week), Notes (2-10 year), Bonds (20-30 year), TIPS, FRN, and CM...
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What treasurydirect.auction.results does on Apibase
AI agents call treasurydirect.auction.results to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
days | integer | — | Look-back window in calendar days (1–365). Returns auctions completed in this period. |
type | string | — | Treasury security type to retrieve auction results for. Bill = short-term (4–52 week), Note = 2–10 year, Bond = 20–30 year, TIPS = inflation-protected, FRN = fl |
Parameters from the server's own tool schema.
Why treasurydirect.auction.results is rated Low
Retrieves historical Treasury auction data from public US Government sources with no side effects.
From the tool's definition Completed auction results, returns CUSIP, dates, yields, no auth required.
Attacks that exploit this kind of access
The rule that runs treasurydirect.auction.results safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For treasurydirect.auction.results, this is the rule to start with:
treasurydirect.auction.results is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every treasurydirect.auction.results call is checked against it from then on.
Questions about treasurydirect.auction.results
Completed US Treasury security auction results by type and look-back period. Returns CUSIP, issue/maturity dates, high yield, high discount rate, bid-to-cover ratio, total accepted/tendered amounts, and auction format for Bills (4-52 week), Notes (2-10 year), Bonds (20-30 year), TIPS, FRN, and CMB. Source: TreasuryDirect TA_WS, US Government open data, no auth required. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
treasurydirect.auction.results accepts 2 parameters: days, type. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for treasurydirect.auction.results: 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 Apibase. Nothing to install.
treasurydirect.auction.results 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 treasurydirect.auction.results 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 treasurydirect.auction.results. 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.
treasurydirect.auction.results is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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