What does an inverted yield curve mean?

An inverted yield curve means short-term bonds yield more than long-term bonds. It often precedes recessions as markets expect central banks to cut rates. An inverted curve has preceded every US recession since 1970.

Does the server require an API key?

No, the ECB's public API endpoints do not require any form of authentication or API tokens to fetch statistical data.

What maturities are included in the yield curve?

The government bond yield curve data covers maturities ranging from 3 months all the way up to 30 years, giving a complete perspective on borrowing costs.

ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server for Claude Desktop 4 tools — connect in under 2 minutes

Name: ECB Monetary — Money Supply, Yield Curves & Banknotes
Availability: InStock
Author: Vinkius

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Claude Desktop is Anthropic's native application for interacting with Claude AI models on macOS and Windows. It was the first consumer application to ship with built-in MCP support, making it the reference implementation for the Model Context Protocol standard.

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Classic Setup·json

{
  "mcpServers": {
    "ecb-monetary-money-supply-yield-curves-banknotes": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

ECB Monetary — Money Supply, Yield Curves & Banknotes

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High SecurityEnterprise-grade

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EU AI ActCompliant

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Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server

Eurozone monetary data.

Claude Desktop is the definitive way to connect ECB Monetary — Money Supply, Yield Curves & Banknotes to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 4 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

4 Tools

M1/M2/M3 — Money supply aggregates
Yield Curve — Government bonds by maturity
Curve Snapshot — All maturities at once
Banknotes — Euro notes in circulation

The ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server exposes 4 tools through the Vinkius. Connect it to Claude Desktop 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 ECB Monetary — Money Supply, Yield Curves & Banknotes to Claude Desktop via MCP

Follow these steps to integrate the ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server with Claude Desktop.

Open Claude Desktop Settings

Go to Settings → Developer → Edit Config to open claude_desktop_config.json

Add the MCP Server

Paste the configuration above into the mcpServers section

Restart Claude Desktop

Close and reopen Claude Desktop to load the new server

Start using ECB Monetary — Money Supply, Yield Curves & Banknotes

Look for the 🔌 icon in the chat. your 4 tools are now available

Why Use Claude Desktop with the ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with ECB Monetary — Money Supply, Yield Curves & Banknotes through the Model Context Protocol.

Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available

Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface

Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions

Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network

ECB Monetary — Money Supply, Yield Curves & Banknotes + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server delivers measurable value.

Interactive data exploration: ask Claude to query DNS records, look up WHOIS data, and cross-reference results in a single conversation

Ad-hoc security audits: type a domain name and let Claude enumerate subdomains, check DNS history, and flag configuration anomalies. all through natural language

Executive briefings: generate comprehensive domain intelligence reports by asking Claude to compile findings into a formatted summary

Learning and training: new team members can explore API capabilities conversationally without needing to read documentation

ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Tools for Claude Desktop (4)

These 4 tools become available when you connect ECB Monetary — Money Supply, Yield Curves & Banknotes to Claude Desktop via MCP:

get_banknotes

Covers all denominations from €5 to €500. Monthly data from the start of the euro. Get eurozone banknotes in circulation statistics

get_monetary_aggregate

M1 = notes, coins + overnight deposits. M2 = M1 + deposits up to 2 years. M3 = M2 + repos + money market funds + debt securities up to 2 years. M3 is the ECB's primary monetary aggregate for policy analysis. Get eurozone monetary aggregates — M1, M2, M3 money supply

get_yield_curve

AAA-rated or all government bonds. Maturities from 3 months to 30 years. The yield curve shape is a key indicator of economic expectations. Get the eurozone government bond yield curve for a specific maturity

get_yield_curve_snapshot

Shows the current shape of the eurozone yield curve — normal (upward), flat, or inverted. Get a full yield curve snapshot — all maturities at the latest date

Example Prompts for ECB Monetary — Money Supply, Yield Curves & Banknotes in Claude Desktop

Ready-to-use prompts you can give your Claude Desktop agent to start working with ECB Monetary — Money Supply, Yield Curves & Banknotes immediately.

"What is the current M3 money supply in the eurozone?"

"What is the 10-year Eurozone government bond yield?"

"Show me the growth of euro banknotes in circulation."

Troubleshooting ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server with Claude Desktop

Common issues when connecting ECB Monetary — Money Supply, Yield Curves & Banknotes to Claude Desktop through the Vinkius, and how to resolve them.

Server not appearing after restart

Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).

Authentication error

Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.

Tools not showing in chat

Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.

ECB Monetary — Money Supply, Yield Curves & Banknotes + Claude Desktop FAQ

Common questions about integrating ECB Monetary — Money Supply, Yield Curves & Banknotes MCP Server with Claude Desktop.

How does Claude Desktop discover MCP tools?

When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.

What happens if the MCP server is temporarily unavailable?

Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.

Can I connect multiple MCP servers simultaneously?

Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.

Is there a limit on the number of tools per server?

Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.

Does Claude Desktop support Streamable HTTP transport?

Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.