What is 'Debt to the Penny'?

It is the exact daily public debt of the United States, updated each business day. It includes all Treasury securities issued to the public.

How often are the interest rates updated?

Average interest rates are typically reported at the end of each month.

Do I need authentication?

No, all Treasury Fiscal Data API endpoints are public and do not require API keys.

U.S. Treasury Debt — National Debt & Interest Rates MCP Server for Windsurf 5 tools — connect in under 2 minutes

Name: U.S. Treasury Debt — National Debt & Interest Rates
Availability: InStock
Author: Vinkius

docs.windsurf.com/windsurf/mcp

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Windsurf brings agentic AI coding to a purpose-built IDE. Connect U.S. Treasury Debt — National Debt & Interest Rates through the Vinkius and Cascade will auto-discover every tool — ask questions, generate code, and act on live data without leaving your editor.

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Classic Setup·json

{
  "mcpServers": {
    "us-treasury-debt-national-debt-interest-rates": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

U.S. Treasury Debt — National Debt & Interest Rates

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About U.S. Treasury Debt — National Debt & Interest Rates MCP Server

U.S. Treasury debt data.

Windsurf's Cascade agent chains multiple U.S. Treasury Debt — National Debt & Interest Rates tool calls autonomously — query data, analyze results, and generate code in a single agentic session. Paste the Vinkius Edge URL, reload, and all 5 tools are immediately available. Real-time tool feedback appears inline, so you see API responses directly in your editor.

3 Tools

National Debt — Debt to the Penny ($34T+)
Interest Rates — Average interest rates on U.S. debt
Treasury Auctions — Auction results for Bills, Notes, and Bonds

Zero Auth

The U.S. Treasury Debt — National Debt & Interest Rates MCP Server exposes 5 tools through the Vinkius. Connect it to Windsurf in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect U.S. Treasury Debt — National Debt & Interest Rates to Windsurf via MCP

Follow these steps to integrate the U.S. Treasury Debt — National Debt & Interest Rates MCP Server with Windsurf.

Open MCP Settings

Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"

Add the server

Paste the JSON configuration above into mcp_config.json

Save and reload

Windsurf will detect the new server automatically

Start using U.S. Treasury Debt — National Debt & Interest Rates

Open Cascade and ask: "Using U.S. Treasury Debt — National Debt & Interest Rates, help me..." — 5 tools available

Why Use Windsurf with the U.S. Treasury Debt — National Debt & Interest Rates MCP Server

Windsurf provides unique advantages when paired with U.S. Treasury Debt — National Debt & Interest Rates through the Model Context Protocol.

Windsurf's Cascade agent autonomously chains multiple tool calls in sequence, solving complex multi-step tasks without manual intervention

Purpose-built for agentic workflows — Cascade understands context across your entire codebase and integrates MCP tools natively

JSON-based configuration means zero code changes: paste a URL, reload, and all 5 tools are immediately available

Real-time tool feedback is displayed inline, so you see API responses directly in your editor without switching contexts

U.S. Treasury Debt — National Debt & Interest Rates + Windsurf Use Cases

Practical scenarios where Windsurf combined with the U.S. Treasury Debt — National Debt & Interest Rates MCP Server delivers measurable value.

Automated code generation: ask Cascade to fetch data from U.S. Treasury Debt — National Debt & Interest Rates and generate models, types, or handlers based on real API responses

Live debugging: query U.S. Treasury Debt — National Debt & Interest Rates tools mid-session to inspect production data while debugging without leaving the editor

Documentation generation: pull schema information from U.S. Treasury Debt — National Debt & Interest Rates and have Cascade generate comprehensive API docs automatically

Rapid prototyping: combine U.S. Treasury Debt — National Debt & Interest Rates data with Cascade's code generation to scaffold entire features in minutes

U.S. Treasury Debt — National Debt & Interest Rates MCP Tools for Windsurf (5)

These 5 tools become available when you connect U.S. Treasury Debt — National Debt & Interest Rates to Windsurf via MCP:

get_avg_interest_rates

These rates reflect the cost of borrowing for the federal government. Updated monthly. Get average interest rates on U.S. Treasury securities

get_debt_history

Format: YYYY-MM-DD. Useful for tracking debt growth over specific periods — fiscal years, election cycles, presidencies, economic crises. Get national debt for a specific date range

get_national_debt

S. national debt (Total Public Debt Outstanding) updated daily by the Treasury Department. Breaks down into Debt Held by the Public (marketable securities) and Intragovernmental Holdings (trust funds like Social Security). As of 2026, the national debt exceeds $39 trillion. Get the U.S. national debt to the penny — updated daily

get_public_debt_breakdown

Shows both Debt Held by the Public and Intragovernmental Holdings. Get the Statement of Public Debt — breakdown by security type

get_treasury_auctions

The bid-to-cover ratio indicates investor demand — higher ratios = stronger demand for U.S. debt. Get results of Treasury securities auctions — Bills, Notes, Bonds

Example Prompts for U.S. Treasury Debt — National Debt & Interest Rates in Windsurf

Ready-to-use prompts you can give your Windsurf agent to start working with U.S. Treasury Debt — National Debt & Interest Rates immediately.

"What is the exact current U.S. National debt?"

"What is the average interest rate on Treasury Bills?"

"Show me the result of the last Treasury auction"

Troubleshooting U.S. Treasury Debt — National Debt & Interest Rates MCP Server with Windsurf

Common issues when connecting U.S. Treasury Debt — National Debt & Interest Rates to Windsurf through the Vinkius, and how to resolve them.

Server not connecting

Check Settings → MCP for the server status. Try toggling it off and on.

U.S. Treasury Debt — National Debt & Interest Rates + Windsurf FAQ

Common questions about integrating U.S. Treasury Debt — National Debt & Interest Rates MCP Server with Windsurf.

How does Windsurf discover MCP tools?

Windsurf reads the mcp_config.json file on startup and connects to each configured server via Streamable HTTP. Tools are listed in the MCP panel and available to Cascade automatically.

Can Cascade chain multiple MCP tool calls?

Yes. Cascade is an agentic system — it can plan and execute multi-step workflows, calling several tools in sequence to accomplish complex tasks without manual prompting between steps.

Does Windsurf support multiple MCP servers?

Yes. Add as many servers as needed in mcp_config.json. Each server's tools appear in the MCP panel and Cascade can use tools from different servers in a single flow.