How do I get a CoinMarketCal API key?

Apply for an API key at developers.coinmarketcal.com. Once approved, copy your key and paste it below.

Is the event information verified?

CoinMarketCal uses a community-driven verification system. Each event has a confidence percentage and a proof link for validation.

What event categories are available?

Categories include Roadmap, Release, Exchange Listing, AMA, Fork, Conference, Partnership, Airdrop, and more.

CoinMarketCal MCP Server for LangChain 9 tools — connect in under 2 minutes

Name: CoinMarketCal
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 9 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect CoinMarketCal through the Vinkius and LangChain agents can call every tool natively — combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token — get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "coinmarketcal": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using CoinMarketCal, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

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V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* 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 CoinMarketCal MCP Server

Connect your AI to CoinMarketCal, the leading economic calendar for the crypto market.

LangChain's ecosystem of 500+ components combines seamlessly with CoinMarketCal through native MCP adapters. Connect 9 tools via the 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.

What you can do

Event Search — Find upcoming events for specific coins like Bitcoin, Ethereum, or any altcoin.
Trending Events — List the most popular and community-voted events happening soon.
Category Filtering — Filter by event type: exchange listings, hard forks, AMAs, conferences, roadmap milestones, and more.

The CoinMarketCal MCP Server exposes 9 tools through the Vinkius. Connect it to LangChain 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 CoinMarketCal to LangChain via MCP

Follow these steps to integrate the CoinMarketCal MCP Server with LangChain.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 9 tools from CoinMarketCal via MCP

Why Use LangChain with the CoinMarketCal MCP Server

LangChain provides unique advantages when paired with CoinMarketCal through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents — combine CoinMarketCal 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 CoinMarketCal queries for multi-turn workflows

CoinMarketCal + LangChain Use Cases

Practical scenarios where LangChain combined with the CoinMarketCal MCP Server delivers measurable value.

RAG with live data: combine CoinMarketCal tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query CoinMarketCal, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain CoinMarketCal tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every CoinMarketCal tool call, measure latency, and optimize your agent's performance

CoinMarketCal MCP Tools for LangChain (9)

These 9 tools become available when you connect CoinMarketCal to LangChain via MCP:

get_coin_id

Find the CoinMarketCal ID for a coin by its name or symbol

get_event_details

Retrieve detailed information about a specific event by its ID

list_categories

Retrieve the list of event categories (e.g., Roadmap, Release)

list_coins

Retrieve the list of coins supported by CoinMarketCal

list_events

Retrieve a list of cryptocurrency events from the calendar

list_popular_events

Retrieve the most popular cryptocurrency events

list_trending_events

Retrieve the most trending cryptocurrency events

search_events_by_coin

Find events related to specific cryptocurrencies

search_events_by_date

Find events within a specific date range

Example Prompts for CoinMarketCal in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with CoinMarketCal immediately.

"Show me upcoming events for Bitcoin."

"Show me upcoming exchange listings."

"List trending events happening this week."

Troubleshooting CoinMarketCal MCP Server with LangChain

Common issues when connecting CoinMarketCal to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

CoinMarketCal + LangChain FAQ

Common questions about integrating CoinMarketCal MCP Server with LangChain.

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.