MCP server

Treasury Fiscaldata

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

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

7

Token cost

About 3,830 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http treasury-fiscaldata-mcp-server https://treasury-fiscaldata.caseyjhand.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.treasury-fiscaldata-mcp-server]
url = "https://treasury-fiscaldata.caseyjhand.com/mcp"

Gemini CLI

{"mcpServers":{"treasury-fiscaldata-mcp-server":{"httpUrl":"https://treasury-fiscaldata.caseyjhand.com/mcp"}}}

Cursor

{"mcpServers":{"treasury-fiscaldata-mcp-server":{"url":"https://treasury-fiscaldata.caseyjhand.com/mcp"}}}

VS Code

{"servers":{"treasury-fiscaldata-mcp-server":{"type":"http","url":"https://treasury-fiscaldata.caseyjhand.com/mcp"}}}

Antigravity

agy mcp add treasury-fiscaldata-mcp-server https://treasury-fiscaldata.caseyjhand.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"treasury-fiscaldata-mcp-server","server_url":"https://treasury-fiscaldata.caseyjhand.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"treasury-fiscaldata-mcp-server","server_url":"https://treasury-fiscaldata.caseyjhand.com/mcp"}

Tools

• treasury_dataframe_describe ~208 tokens
  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 ~552 tokens
  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
• treasury_get_debt ~556 tokens
  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_exchange_rates ~620 tokens
  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_get_interest_rates ~627 tokens
  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_list_datasets ~354 tokens
  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 ~913 tokens
  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

Browse

• GitHub tools
• Pragma tools
• GitHub and code hosting
• Databases
• Government and public data

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