CoinCap MCP Server for LlamaIndex 9 tools — connect in under 2 minutes
LlamaIndex specializes in data-aware AI agents that connect LLMs to structured and unstructured sources. Add CoinCap 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 CoinCap. "
"You have 9 tools available."
),
)
response = await agent.run(
"What tools are available in CoinCap?"
)
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 CoinCap MCP Server
Connect to CoinCap APIs and access real-time cryptocurrency market data through natural conversation — no API key needed.
LlamaIndex agents combine CoinCap tool responses with indexed documents for comprehensive, grounded answers. Connect 9 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
- Asset Prices — Get current prices, market caps, 24h volume and supply info for any cryptocurrency
- Asset Search — Search for crypto by name or symbol (Bitcoin, Ethereum, Solana, etc.)
- Historical Prices — Retrieve price history with configurable intervals (1m to 1d)
- Markets — See which exchanges list specific trading pairs and their 24h volumes
- Exchange Rankings — Browse exchanges ranked by 24h volume with verification status
- OHLCV Candles — Get candlestick data for technical analysis with multiple timeframes
- Exchange Rates — View crypto-to-fiat conversion rates
The CoinCap MCP Server exposes 9 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 CoinCap to LlamaIndex via MCP
Follow these steps to integrate the CoinCap 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 9 tools from CoinCap
Why Use LlamaIndex with the CoinCap MCP Server
LlamaIndex provides unique advantages when paired with CoinCap through the Model Context Protocol.
Data-first architecture: LlamaIndex agents combine CoinCap tool responses with indexed documents for comprehensive, grounded answers
Query pipeline framework lets you chain CoinCap tool calls with transformations, filters, and re-rankers in a typed pipeline
Multi-source reasoning: agents can query CoinCap, a vector store, and a SQL database in a single turn and synthesize results
Observability integrations show exactly what CoinCap tools were called, what data was returned, and how it influenced the final answer
CoinCap + LlamaIndex Use Cases
Practical scenarios where LlamaIndex combined with the CoinCap MCP Server delivers measurable value.
Hybrid search: combine CoinCap real-time data with embedded document indexes for answers that are both current and comprehensive
Data enrichment: query CoinCap 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 CoinCap for fresh data
Analytical workflows: chain CoinCap queries with LlamaIndex's data connectors to build multi-source analytical reports
CoinCap MCP Tools for LlamaIndex (9)
These 9 tools become available when you connect CoinCap to LlamaIndex via MCP:
get_asset
Returns the current price in USD, market cap, 24h trading volume, price change percentages (1h, 24h, 7d), circulating supply, total supply, max supply and rank. Asset IDs are lowercase with hyphens (e.g. "bitcoin", "ethereum", "solana"). Get detailed info for a specific cryptocurrency
get_asset_history
Returns daily or interval-based price snapshots. Use interval to specify the data granularity: "m1" (1 minute), "m5" (5 min), "m15" (15 min), "m30" (30 min), "h1" (1 hour), "h2" (2 hours), "h6" (6 hours), "h12" (12 hours), "d1" (1 day). Get historical price data for a cryptocurrency
get_candles
Each candle includes the open, high, low, close prices and volume for the time interval. Supports intervals: "m1", "m5", "m15", "m30", "h1", "h2", "h6", "h12", "d1". Optionally set start/end timestamps (milliseconds since epoch) for historical data. Get OHLCV candlestick data for technical analysis
get_exchange
Returns the exchange name, website, 24h volume, number of markets, rank, verification status and supported assets. Exchange IDs are lowercase (e.g. "binance", "coinbase-pro", "kraken"). Get detailed info for a specific cryptocurrency exchange
get_markets
Each market includes the exchange ID, base asset ID, quote asset ID, trading pair symbol, current price, 24h volume in USD and volume percentage. Optionally filter by asset ID or exchange ID. Get trading markets/pairs for assets or exchanges
get_rate
Returns the current rate for converting the asset to its corresponding fiat currency. Base IDs are typically asset IDs like "bitcoin", "ethereum" or fiat codes like "USD". Get a specific exchange rate
get_rates
). Returns the rate ID, symbol, currency symbol and current rate. Optionally filter by base currency. Get exchange rates for cryptocurrencies to fiat currencies
list_assets
Optionally search by name, filter by specific IDs, and paginate with limit/offset. Returns assets sorted by market cap by default. List cryptocurrency assets with prices and market data
list_exchanges
Each exchange includes its ID, name, website, 24h volume in USD, number of markets, rank and whether it's verified. List cryptocurrency exchanges with rankings
Example Prompts for CoinCap in LlamaIndex
Ready-to-use prompts you can give your LlamaIndex agent to start working with CoinCap immediately.
"What is the current price of Bitcoin?"
"Show me the top 5 cryptocurrency exchanges by volume."
"Show me the 1-hour candlestick data for Ethereum."
Troubleshooting CoinCap MCP Server with LlamaIndex
Common issues when connecting CoinCap to LlamaIndex through the Vinkius, and how to resolve them.
BasicMCPClient not found
pip install llama-index-tools-mcpCoinCap + LlamaIndex FAQ
Common questions about integrating CoinCap 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 CoinCap 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.
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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 CoinCap to LlamaIndex
Get your token, paste the configuration, and start using 9 tools in under 2 minutes. No API key management needed.