/**
* @author nirholas (Nich)
* @website x.com/nichxbt
* @github github.com/nirholas
* @license MIT
*/
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"
import { z } from "zod"
import { ethers } from "ethers"
import { Logger } from "../utils/logger.js"
// Base chain contracts
const BASE_BRIDGE = "0x49048044D57e1C92A77f79988d21Fa8fAF74E97e"
export function registerBaseChainTools(server: McpServer) {
// Tool 1: Get network status
server.tool(
"base_get_network_status",
"Get Base chain network status and gas prices",
{},
async () => {
try {
const provider = new ethers.JsonRpcProvider("https://mainnet.base.org")
const [blockNumber, gasPrice, network] = await Promise.all([
provider.getBlockNumber(),
provider.getFeeData(),
provider.getNetwork()
])
return {
content: [{
type: "text",
text: JSON.stringify({
network: "Base Mainnet",
chainId: Number(network.chainId),
latestBlock: blockNumber,
gasPrice: ethers.formatUnits(gasPrice.gasPrice || 0n, "gwei") + " gwei",
builtBy: "Coinbase",
stack: "OP Stack (Optimism)",
nativeToken: "ETH"
}, null, 2)
}]
}
} catch (error: any) {
Logger.error("Error getting network status:", error)
throw new Error(`Failed to get network status: ${error.message}`)
}
}
)
// Tool 2: Get Coinbase integrations
server.tool(
"base_get_coinbase_integrations",
"Get Coinbase-specific integrations on Base",
{},
async () => {
try {
return {
content: [{
type: "text",
text: JSON.stringify({
coinbaseIntegrations: [
{ name: "Coinbase Wallet", type: "Wallet", feature: "Native Base support" },
{ name: "Coinbase Commerce", type: "Payments", feature: "USDC payments on Base" },
{ name: "cbETH", type: "Token", feature: "Liquid staked ETH by Coinbase" },
{ name: "Coinbase Verifications", type: "Identity", feature: "On-chain attestations" }
],
advantages: [
"Direct Coinbase CEX integration",
"100M+ Coinbase user onramp",
"Native USDC support",
"Fiat onramp via Coinbase"
]
}, null, 2)
}]
}
} catch (error: any) {
Logger.error("Error getting integrations:", error)
throw new Error(`Failed to get integrations: ${error.message}`)
}
}
)
// Tool 3: Get top dApps
server.tool(
"base_get_top_dapps",
"Get popular dApps on Base chain",
{},
async () => {
try {
const dapps = [
{ name: "Aerodrome", category: "DEX", description: "Leading Base DEX, ve(3,3) model" },
{ name: "Uniswap", category: "DEX", description: "Top DEX on Base" },
{ name: "Aave", category: "Lending", description: "Leading lending protocol" },
{ name: "friend.tech", category: "Social", description: "Tokenized social connections" },
{ name: "Moonwell", category: "Lending", description: "Lending/borrowing on Base" },
{ name: "BaseSwap", category: "DEX", description: "Native Base DEX" },
{ name: "Seamless", category: "Lending", description: "ILM lending protocol" },
{ name: "Extra Finance", category: "Yield", description: "Leveraged yield farming" }
]
return {
content: [{
type: "text",
text: JSON.stringify({
chain: "Base",
dapps,
totalDapps: dapps.length,
note: "Base has rapidly grown to be a top L2 by TVL and activity"
}, null, 2)
}]
}
} catch (error: any) {
Logger.error("Error getting dApps:", error)
throw new Error(`Failed to get dApps: ${error.message}`)
}
}
)
// Tool 4: Get bridge info
server.tool(
"base_get_bridge_info",
"Get Base bridge information and options",
{},
async () => {
try {
return {
content: [{
type: "text",
text: JSON.stringify({
officialBridge: {
address: BASE_BRIDGE,
depositTime: "~1-3 minutes",
withdrawalTime: "7 days (challenge period)",
supportedAssets: ["ETH", "USDC", "DAI", "WBTC", "cbETH"]
},
fastBridges: [
{ name: "Coinbase", time: "Instant (for Coinbase users)" },
{ name: "Across", time: "~2-5 minutes" },
{ name: "Hop Protocol", time: "~5-10 minutes" },
{ name: "Stargate", time: "~5-15 minutes" }
],
coinbaseOnramp: "Direct fiat to Base via Coinbase app"
}, null, 2)
}]
}
} catch (error: any) {
Logger.error("Error getting bridge info:", error)
throw new Error(`Failed to get bridge info: ${error.message}`)
}
}
)
Logger.info("✅ Registered Base Chain tools")
}
