OpenAI Agents SDKSDK

Why use CoinCap MCP Server with OpenAI Agents SDK?

Bring Market Cap
to OpenAI Agents SDK

Name: CoinCap MCP Server
Availability: InStock
Rating: 4.9 (1 reviews)
Author: Vinkius

Create your Vinkius account to connect CoinCap to OpenAI Agents SDK 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 Subscribers

Get AssetGet Asset HistoryGet CandlesGet ExchangeGet MarketsGet RateGet RatesList AssetsList Exchanges

Ask AI about this MCP Server ChatGPT Claude Perplexity

Compatible with every major AI agent and IDE

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

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)

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

See what your AI agent can do with CoinCap

Why OpenAI Agents SDK?

The OpenAI Agents SDK auto-discovers all 9 tools from CoinCap through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries CoinCap, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

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Native MCP integration via MCPServerSse, pass the URL and the SDK auto-discovers all tools with full type safety
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Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure
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Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate
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First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

See it in action

CoinCap in OpenAI Agents SDK

AI Agent→Vinkius

High Security·Kill Switch·Plug and Play

Enterprise Security

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.

View full CoinCap details →

Fully ManagedNo server setup

Plug & PlayNo coding needed

SecurePrivacy protected

PrivateYour data is safe

Cost ControlBudget limits

Control1-click disconnect

Auto-UpdatesMaintenance free

High SpeedOptimized for AI

Reliable99.9% uptime

Your credentials and connection tokens are fully encrypted

* 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

01 / Catalog

Over 4,000 integrations ready for AI agents

Explore a vast library of pre-built integrations, optimized and ready to deploy.

02 / Credentials

Connect securely in under 30 seconds

Generate tokens to authenticate and link external services in a single step.

03 / Guardian

Complete visibility into every agent action

Audit live requests, latency, success rates, and active security compliance policies.

04 / FinOps

Optimize spending and track token ROI

Analyze real-time token consumption and cost metrics detailed by connection.

Over 4,000 integrations ready for AI agents

Complete visibility into every agent action

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.

Explore Analytics

Why Vinkius

CoinCap and 4,000+ other AI tools. No hosting, no code, ready to use.

Professionals who connect CoinCap to OpenAI Agents SDK 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.

4,000+MCP Integrations

<40msResponse time

100%Fully managed

	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

View step-by-step setup guide for OpenAI Agents SDK →

The Vinkius Advantage

How Vinkius secures
CoinCap for OpenAI Agents SDK

Every request between OpenAI Agents SDK 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.

< 40msCold start

Ed25519Signed audit chain

60%Token savings

FAQ

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 the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.