How do I get a Twelve Data API Key?

Visit [**Twelve Data**](https://twelvedata.com/), sign up for a free account, and copy your API key from the dashboard. Free tier includes 800 API credits/day.

What technical indicators are available?

SMA (Simple Moving Average), EMA (Exponential MA), RSI (Relative Strength Index), MACD, Bollinger Bands, and Stochastic Oscillator — all with customizable periods.

Can I get real-time crypto and forex prices?

Yes! Use `get_quote` or `get_real_time_price` with any symbol. Crypto pairs like BTC/USD and forex pairs like EUR/USD are supported.

Twelve Data MCP Server for Claude Desktop 16 tools — connect in under 2 minutes

Name: Twelve Data
Availability: InStock
Author: Vinkius

modelcontextprotocol.io/quickstart/user

Built by Vinkius GDPR 16 Tools IDE

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.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Twelve Data and 2,500+ MCP Servers from a single visual interface.

Download Free Open SourceNo signup required

Classic Setup·json

{
  "mcpServers": {
    "twelve-data": {
      // Your Vinkius token. get it at cloud.vinkius.com
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

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 Twelve Data MCP Server

Connect Twelve Data financial API to any AI agent and access real-time stock quotes, cryptocurrency prices, forex rates, and professional technical indicators through natural language.

Claude Desktop is the definitive way to connect Twelve Data to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 16 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.

What you can do

Real-Time Quotes — Get current price, open, high, low, volume, and change for any stock
Historical Data — Retrieve OHLCV candlestick data from 1-minute to monthly intervals
Technical Analysis — Calculate SMA, EMA, RSI, MACD, Bollinger Bands, and Stochastic Oscillator
Market Scanning — Search and browse available stocks, crypto pairs, and forex instruments
Company Profiles — Access fundamental data including market cap, P/E ratio, and sector info
Currency Conversion — Get exchange rates and convert amounts between any currency pair

The Twelve Data MCP Server exposes 16 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 Twelve Data to Claude Desktop via MCP

Follow these steps to integrate the Twelve Data 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 Twelve Data

Look for the 🔌 icon in the chat. your 16 tools are now available

Why Use Claude Desktop with the Twelve Data MCP Server

Claude Desktop by Anthropic provides unique advantages when paired with Twelve Data 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

Twelve Data + Claude Desktop Use Cases

Practical scenarios where Claude Desktop combined with the Twelve Data 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

Twelve Data MCP Tools for Claude Desktop (16)

These 16 tools become available when you connect Twelve Data to Claude Desktop via MCP:

convert_currency

Convert an amount between currencies

get_bollinger_bands

Price touching upper band may indicate overbought, lower may indicate oversold. Get Bollinger Bands

get_company_profile

Get company profile and fundamentals

get_crypto_list

Can filter by exchange. List available crypto pairs

get_ema

EMA gives more weight to recent prices than SMA. Get Exponential Moving Average (EMA)

get_exchange_rate

Get currency exchange rate

get_forex_list

List available forex pairs

get_macd

Used for trend following and momentum. Get Moving Average Convergence Divergence (MACD)

get_quote

Get real-time stock quote

get_real_time_price

Faster and lighter than a full quote. Get current price only

get_rsi

Values above 70 indicate overbought, below 30 indicate oversold conditions. Get Relative Strength Index (RSI)

get_sma

Common periods: 20, 50, 200. Get Simple Moving Average (SMA)

get_stochastic

Values above 80 indicate overbought, below 20 indicate oversold. Get Stochastic Oscillator

get_stock_list

Can filter by exchange and partial symbol match. List available stocks

get_time_series

Supports intervals from 1min to 1month. Get historical OHLCV candle data

search_symbols

Can filter by instrument type and exchange. Search for financial instruments

Example Prompts for Twelve Data in Claude Desktop

Ready-to-use prompts you can give your Claude Desktop agent to start working with Twelve Data immediately.

"What's the current price of Apple stock?"

"Show me the RSI for Tesla on the daily chart."

"Convert 1000 USD to EUR."

Troubleshooting Twelve Data MCP Server with Claude Desktop

Common issues when connecting Twelve Data 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.

Twelve Data + Claude Desktop FAQ

Common questions about integrating Twelve Data 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.