Bring Market Cap
to LangChain
Create your Vinkius account to connect CoinCap to LangChain and start using all 9 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the CoinCap MCP Server?
Connect to CoinCap APIs and access real-time cryptocurrency market data through natural conversation — no API key needed.
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
How it works
- Subscribe to this server
- No API key needed — start querying immediately
- Get crypto data from Claude, Cursor, or any MCP-compatible client
No API key required — completely free with 30 requests/second.
Who is this for?
- Traders — check real-time prices, compare exchange listings and review trading pair volumes
- Developers — access crypto market data without authentication for dashboards and bots
- Researchers — explore historical price data, exchange rankings and market trends
Built-in capabilities (9)
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
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
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
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
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
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
). Returns the rate ID, symbol, currency symbol and current rate. Optionally filter by base currency. Get exchange rates for cryptocurrencies to fiat currencies
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
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
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with CoinCap through native MCP adapters. Connect 9 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
- —
The largest ecosystem of integrations, chains, and agents. combine CoinCap MCP tools with 500+ LangChain components
- —
Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
- —
LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
- —
Memory and conversation persistence let agents maintain context across CoinCap queries for multi-turn workflows
CoinCap in LangChain
Why run CoinCap with Vinkius?
The CoinCap connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 9 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect CoinCap using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
CoinCap and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect CoinCap to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
CoinCap for LangChain
Every request between LangChain and CoinCap is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Do I need an API key?
No! CoinCap's API is completely free and requires no authentication. Just subscribe and start querying. Rate limit is 30 requests/second on the free tier.
What cryptocurrencies are supported?
CoinCap tracks thousands of cryptocurrencies including Bitcoin, Ethereum, Solana, XRP, Cardano, Dogecoin, Avalanche, Polkadot and many more. Use list_assets with the search parameter to find any coin by name or symbol.
Can I get OHLCV data for technical analysis?
Yes! Use get_candles with the asset ID and interval (m1, m5, m15, m30, h1, h2, h6, h12, d1). Returns open, high, low, close and volume for each candle period.
Can I see which exchanges list a specific crypto?
Yes! Use get_markets with asset_id to see all exchanges that list a specific cryptocurrency. Results include the exchange name, trading pair, current price, 24h volume and volume percentage.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
Explore More MCP Servers
View all →
Domo
6 toolsManage Domo users and groups directly from your AI agent — create, update, and delete users, or organize them into groups for better governance.
WeChat Official Accounts / 微信公众号
10 toolsChina's dominant social messaging platform — manage subscribers, broadcast messages, and menus via AI.
Ometria Intelligence
10 toolsAnalyze customer data and retail marketing via Ometria — track contacts, orders, and segments directly from your AI agent.
freee
9 toolsManage Japanese accounting and business via freee — track deals and invoices, handle partners and expenses, and audit tax codes directly from any AI agent.