Somnia MCP Server

import { z } from "zod"; import axios, { AxiosResponse } from "axios"; import { baseUri, chainName } from "../../constants"; export default function (server: any) { server.tool( "getHistoricalBalance", "Commonly used to fetch the historical native, fungible (ERC20), and non-fungible (ERC721 & ERC1155) tokens held by an address at a given block height or date", { chainName: z.literal(chainName), walletAddress: z.string().describe("Wallet address to fetch balance for"), authToken: z .string() .describe("Authorization token for accessing the Somnia API"), }, { title: "Get Historical Balance", readOnlyHint: true, description: "Fetch the historical native, fungible (ERC20), and non-fungible (ERC721 & ERC1155) tokens held by an address at a given block height or date.", destructiveHint: false, idempotentHint: true, }, async (args:any) => { const { chainName, walletAddress, authToken } = args; try { const response: AxiosResponse<any> = await axios.get( `${baseUri}/${chainName}/v1/address/${walletAddress}/balance/historical`, { headers: { Authorization: `Bearer ${authToken}`, "Content-Type": "application/json", Accept: "application/json", }, } ); return { content: [ { type: "text", text: `Historical Balance Data: ${JSON.stringify(response.data)}`, }, ], }; } catch (error) { return { content: [ { type: "text", text: `Error fetching historical balance: ${error}`, }, ], }; } } ); }