Twelve Data MCP Server for LlamaIndex 16 tools — connect in under 2 minutes
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add Twelve Data as an MCP tool provider through Vinkius and your agents can query, analyze, and act on live data alongside your existing indexes.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import asyncio
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
async def main():
# Your Vinkius token. get it at cloud.vinkius.com
mcp_client = BasicMCPClient("https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp")
mcp_tool_spec = McpToolSpec(client=mcp_client)
tools = await mcp_tool_spec.to_tool_list_async()
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt=(
"You are an assistant with access to Twelve Data. "
"You have 16 tools available."
),
)
response = await agent.run(
"What tools are available in Twelve Data?"
)
print(response)
asyncio.run(main())
* 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.
LlamaIndex agents combine Twelve Data tool responses with indexed documents for comprehensive, grounded answers. Connect 16 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
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 LlamaIndex 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 LlamaIndex via MCP
Follow these steps to integrate the Twelve Data MCP Server with LlamaIndex.
Install dependencies
Run pip install llama-index-tools-mcp llama-index-llms-openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.py and run: python agent.py
Explore tools
The agent discovers 16 tools from Twelve Data
Why Use LlamaIndex with the Twelve Data MCP Server
LlamaIndex provides unique advantages when paired with Twelve Data through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine Twelve Data tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain Twelve Data tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query Twelve Data, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what Twelve Data tools were called, what data was returned, and how it influenced the final answer
Twelve Data + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the Twelve Data MCP Server delivers measurable value.
Hybrid search: combine Twelve Data real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query Twelve Data to augment indexed data with live information before generating user-facing responses
Knowledge base agents: build agents that maintain and update knowledge bases by periodically querying Twelve Data for fresh data
Analytical workflows: chain Twelve Data queries with LlamaIndex's data connectors to build multi-source analytical reports
Twelve Data MCP Tools for LlamaIndex (16)
These 16 tools become available when you connect Twelve Data to LlamaIndex 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 LlamaIndex
Ready-to-use prompts you can give your LlamaIndex 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 LlamaIndex
Common issues when connecting Twelve Data to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpTwelve Data + LlamaIndex FAQ
Common questions about integrating Twelve Data MCP Server with LlamaIndex.
How does LlamaIndex connect to MCP servers?
Can I combine MCP tools with vector stores?
Does LlamaIndex support async MCP calls?
Connect Twelve Data with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Twelve Data to LlamaIndex
Get your token, paste the configuration, and start using 16 tools in under 2 minutes. No API key management needed.