Somnia MCP Server

import axios, { AxiosResponse } from "axios"; import { z } from "zod"; import { baseUri, chainName } from "../../constants"; interface Transaction { block_hash: string; block_number: number; block_timestamp: string; contract_address: string; cumulative_gas_used: string; effective_gas_price: string; from_address: string; gas: string; gas_price: string; gas_used: string; input: string; l1_fee: string | null; l1_fee_scalar: string | null; l1_gas_price: string | null; l1_gas_used: string | null; max_fee_per_gas: string; max_priority_fee_per_gas: string; nonce: string; status: number; to_address: string; transaction_hash: string; transaction_index: number; transaction_type: number; value: string; } interface BlockTransactionsResponse { cursor: string; transactions: Transaction[]; } export default function(server: any) { server.tool( "getBlockTransactions", "Get transactions in a block", { chainName: z.literal(chainName), blockNumber: z.string().describe("Block number to fetch transactions from"), authToken: z .string() .describe("Authorization token for accessing the Somnia API"), }, { title: "Get Block Transactions", readOnlyHint: true, description: "Fetch transactions in a specific block by its number.", destructiveHint: false, }, async (args:any) => { const { chainName, blockNumber, authToken } = args; try { const response: AxiosResponse<BlockTransactionsResponse> = await axios.get( `${baseUri}/${chainName}/v1/block/${blockNumber}/transactions`, { headers: { "Authorization": `Bearer ${authToken}`, "Content-Type": "application/json", "Accept": "application/json", }, } ); return { content: [ { type: "text", text: `Transaction Data: ${JSON.stringify(response.data)}`, }, ], _meta: { transactionData: response.data, }, }; } catch (error) { return { content: [ { type: "text", text: `Error fetching transactions: ${error}`, }, ], }; } } ); }