infura-mcp-server
Version:
Model Context Protocol (MCP) server providing comprehensive read-only Ethereum blockchain access through Infura's infrastructure. Connect Claude Desktop, VS Code, and Cursor to 29 secure Ethereum JSON-RPC tools across 30+ networks including Ethereum, Poly
64 lines (61 loc) • 1.94 kB
JavaScript
import { callInfura } from "../lib/infura-client.js";
/**
* Function to get fee history from Infura's Ethereum JSON-RPC.
*
* @param {Object} args - Arguments for the fee history.
* @param {string} args.blockCount - The number of blocks to check.
* @param {string} args.newestBlock - The latest block number or tag.
* @param {Array<number>} args.rewardPercentiles - A list of percentiles for gas rewards.
* @param {string} [args.network="mainnet"] The network to query.
* @returns {Promise<Object>} - The result of the fee history.
*/
const executeFunction = async ({
blockCount,
newestBlock,
rewardPercentiles,
network = "mainnet",
}) => {
const params = [blockCount, newestBlock, rewardPercentiles];
return callInfura("eth_feeHistory", params, network);
};
/**
* Tool configuration for getting fee history using Infura's Ethereum JSON-RPC.
* @type {Object}
*/
const apiTool = {
function: executeFunction,
definition: {
type: "function",
function: {
name: "eth_getFeeHistory",
description: "Get fee history for a specified Ethereum network.",
parameters: {
type: "object",
properties: {
blockCount: {
type: "string",
description: "The number of blocks to check.",
},
newestBlock: {
type: "string",
description: "The latest block number or tag (e.g., 'latest').",
},
rewardPercentiles: {
type: "array",
items: {
type: "number",
},
description: "A list of percentiles for gas rewards.",
},
network: {
type: "string",
description: "The Ethereum network to query, e.g., 'mainnet' or 'sepolia'.",
default: "mainnet",
},
},
required: ["blockCount", "newestBlock", "rewardPercentiles"],
},
},
},
};
export { apiTool };