A complete MCP for the CoinMarketCap API
Coinmarketcap MCP MCP server exists for a simple reason — assistants are far more useful when they can act on Coinmarketcap MCP directly instead of describing what you should do. A complete MCP for the CoinMarketCap API.
If you don't have an API key, first sign up to receive a free Basic key here.
Once Coinmarketcap MCP is connected, these are the calls the assistant has available:
priceConversion — Convert an amount of one cryptocurrency or fiat currency into anothergetPostmanCollection — Get Postman collection for the APICryptocurrency — The Cryptocurrency tool exposed by this serverExchange — The Exchange tool exposed by this serverIndex — The Index tool exposed by this serverTools — The Tools tool exposed by this serverOther — The Other tool exposed by this serverContent — The Content tool exposed by this serverCommunity — The Community tool exposed by this serverBlockchain — The Blockchain tool exposed by this serverYou will need 2 environment variables: COINMARKETCAP_API_KEY, SUBSCRIPTION_LEVEL. The server will not start without them, which is usually why the tools fail to appear on a first run. Keep credentials in your client's env block or a secrets manager rather than in a file you might commit.
If you don't have an API key, first sign up to receive a free Basic key here.
Being a remote server, there is no local install. You register the endpoint with your client, authorise it once, and the tools appear.
Plenty of payments and commerce servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. Coinmarketcap MCP's toolset — priceConversion, getPostmanCollection, Cryptocurrency and 7 more — is a fair guide to whether it matches your workflow. It is maintained by shinzo-labs; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| priceConversion | Convert an amount of one cryptocurrency or fiat currency into another |
| getPostmanCollection | Get Postman collection for the API |
| Cryptocurrency | The Cryptocurrency tool exposed by this server. |
| Exchange | The Exchange tool exposed by this server. |
| Index | The Index tool exposed by this server. |
| Tools | The Tools tool exposed by this server. |
| Other | The Other tool exposed by this server. |
| Content | The Content tool exposed by this server. |
| Community | The Community tool exposed by this server. |
| Blockchain | The Blockchain tool exposed by this server. |
{
"mcpServers": {
"coinmarketcap": {
"command": "npx",
"args": ["-y", "@smithery/cli"],
"env": {
"COINMARKETCAP_API_KEY": "your-value",
"SUBSCRIPTION_LEVEL": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
If you don't have an API key, first sign up to receive a free Basic key here.
| Variable | Description | Required |
|---|---|---|
| COINMARKETCAP_API_KEY | Credential the server authenticates with. | Yes |
| SUBSCRIPTION_LEVEL | Configuration value read at startup. | Optional |
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