CoinCap MCP Server for Google ADK 9 tools — connect in under 2 minutes
Google Agent Development Kit (ADK) is Google's framework for building production AI agents. Add CoinCap as an MCP tool provider through Vinkius and your ADK agents can call every tool with full schema introspection.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
from google.adk.agents import Agent
from google.adk.tools.mcp_tool import McpToolset
from google.adk.tools.mcp_tool.mcp_session_manager import (
StreamableHTTPConnectionParams,
)
# Your Vinkius token. get it at cloud.vinkius.com
mcp_tools = McpToolset(
connection_params=StreamableHTTPConnectionParams(
url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
)
)
agent = Agent(
model="gemini-2.5-pro",
name="coincap_agent",
instruction=(
"You help users interact with CoinCap "
"using 9 available tools."
),
tools=[mcp_tools],
)
* 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.
Google ADK natively supports CoinCap as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 9 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
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 Google ADK 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 Google ADK via MCP
Follow these steps to integrate the CoinCap MCP Server with Google ADK.
Install Google ADK
Run pip install google-adk
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Create the agent
Save the code above and integrate into your ADK workflow
Explore tools
The agent will discover 9 tools from CoinCap via MCP
Why Use Google ADK with the CoinCap MCP Server
Google ADK provides unique advantages when paired with CoinCap through the Model Context Protocol.
Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with CoinCap
Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
Seamless integration with Google Cloud services means you can combine CoinCap tools with BigQuery, Vertex AI, and Cloud Functions
CoinCap + Google ADK Use Cases
Practical scenarios where Google ADK combined with the CoinCap MCP Server delivers measurable value.
Enterprise data agents: ADK agents query CoinCap and cross-reference results with internal databases for comprehensive analysis
Multi-modal workflows: combine CoinCap tool responses with Gemini's vision and language capabilities in a single agent
Automated compliance checks: schedule ADK agents to query CoinCap regularly and flag policy violations or configuration drift
Internal tool platforms: build self-service agent platforms where teams connect their own MCP servers including CoinCap
CoinCap MCP Tools for Google ADK (9)
These 9 tools become available when you connect CoinCap to Google ADK 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 Google ADK
Ready-to-use prompts you can give your Google ADK 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 Google ADK
Common issues when connecting CoinCap to Google ADK through the Vinkius, and how to resolve them.
McpToolset not found
pip install --upgrade google-adkCoinCap + Google ADK FAQ
Common questions about integrating CoinCap MCP Server with Google ADK.
How does Google ADK connect to MCP servers?
Can ADK agents use multiple MCP servers?
Which Gemini models work best with MCP tools?
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Connect CoinCap to Google ADK
Get your token, paste the configuration, and start using 9 tools in under 2 minutes. No API key management needed.