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Get fee recommendations and gas estimates for EVM, UTXO, and XRP transactions via Crypto APIs
About
Get real-time fee recommendations and gas estimates for blockchain transactions using your AI assistant. This hosted MCP server connects directly to the Crypto APIs Blockchain Fees product, no local installation needed. Supports UTXO chains (Bitcoin, Litecoin, Dogecoin, Dash, Zcash) for fee recommendations, EVM chains for standard fees, EIP-1559 fees, and gas estimation for native transfers and contract calls, and XRP. Requires a Crypto APIs API key passed via the x-api-key header.
What You'll Need
Set these up before or after installing:
CryptoAPIs API key. Sign up at cryptoapis.io to get your free key — passed via the x-api-key headerRequired
Environment variable: x-api-key
Sign up freeGetting Started
Once installed, try these example prompts and explore these capabilities:
- 1"What is the recommended fee for a Bitcoin transaction right now?"
- 2"Estimate the gas needed for this Ethereum contract call"
- 3"Get EIP-1559 base fee and priority fee for Polygon"
- 4"What is the current recommended XRP fee?"
- 5Tool: blockchain_fees_utxo — Bitcoin/UTXO fee recommendations and smart fee estimation
- 6Tool: blockchain_fees_evm — EVM fee recommendations, EIP-1559 fees, gas estimation
- 7Tool: blockchain_fees_xrp — XRP fee recommendations
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"cryptoapis-blockchain-fees-mcp-http-server": {
"env": {
"x-api-key": "your-x-api-key-here"
},
"url": "https://ai.cryptoapis.io/mcp/blockchain-fees"
}
}
}Security Report
9.0
Low Risk9.0Low RiskRemote MCP endpoint verified (343ms response). Server: cryptoapis-mcp-http-server. 2 trust signals: valid MCP protocol, requires auth. No security issues detected.
Endpoint probed · 1 finding
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
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