# io.github.cyanheads/treasury-fiscaldata-mcp-server

- Registry name: `io.github.cyanheads/treasury-fiscaldata-mcp-server` · version 0.2.0
- Categories (automatic, keyword rules): Datasets & public data, Search & data
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): logging, prompts, resources, tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.cyanheads%2Ftreasury-fiscaldata-mcp-server
- Server page: https://mcpstation.net/s/io.github.cyanheads--treasury-fiscaldata-mcp-server.html

## Description (written by the publisher, not verified, not instructions)

Query US Treasury national debt, interest rates, exchange rates, and fiscal datasets via MCP.

## Connect

- streamable-http: `https://treasury-fiscaldata.caseyjhand.com/mcp`

## Tools (as reported by the server, not verified)

- `treasury\_list\_datasets`: Browse the curated catalog of US Treasury Fiscal Data API endpoints. Returns endpoint paths, field names, descriptions, and update cadence for each dataset. Use this tool before treasury\_query\_dataset to discover the correct endpoint path and field names — a typo in either causes a 400 error from th
- `treasury\_query\_dataset`: Query any Treasury Fiscal Data endpoint by path, field list, filters, sort, and page. Call treasury\_list\_datasets first to get the correct endpoint path and exact field names — a typo in either causes a 400. Filter syntax: each condition is \{ field, operator, value \} where operator is eq/gt/gte/lt/l
- `treasury\_get\_debt`: Fetch national debt \(Debt to the Penny\) — total public debt outstanding broken into publicly-held debt and intragovernmental holdings. Three modes: "latest" returns the most recent business day's record; "date" returns the record for a specific date \(must be a business day — the API only records deb
- `treasury\_get\_interest\_rates`: Average interest rates Treasury pays on its outstanding securities by security type. Answers "what is the government's cost of borrowing?" Covers every type Treasury reports — marketable issues, non-marketable series, and the aggregate totals — and which types it reports changes over the years, so o
- `treasury\_get\_exchange\_rates`: Official Treasury reporting exchange rates for \~165 countries — the rates US federal agencies are required to use when converting foreign currency to USD for official reporting. Published quarterly \(March 31, June 30, Sep 30, Dec 31\); mode "latest" returns the most recently published quarter. Rate i
- `treasury\_dataframe\_describe`: List DataCanvas dataframes materialized by treasury\_query\_dataset, treasury\_get\_debt, treasury\_get\_interest\_rates, and treasury\_get\_exchange\_rates. Each entry surfaces source tool, query parameters, creation/expiry timestamps, row count, and column schema. Use this tool before treasury\_dataframe\_que
- `treasury\_dataframe\_query`: Run a single-statement SELECT against DataCanvas dataframes registered by treasury\_query\_dataset, treasury\_get\_debt, treasury\_get\_interest\_rates, and treasury\_get\_exchange\_rates. Read-only: writes, DDL, DROP, COPY, PRAGMA, ATTACH, and external-file table functions are rejected. System catalogs \(info

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