Base Price Oracle

MCP server for real-time Base chain token price data from on-chain DEX pools. Pure on-chain reads via ethers.js -- no external APIs, no API keys needed.

Install

npx -y base-price-oracle-mcp

Or add to your MCP config:

{
  "mcpServers": {
    "base-price-oracle": {
      "command": "npx",
      "args": ["-y", "base-price-oracle-mcp"],
      "env": {
        "RPC_URL": "https://mainnet.base.org"
      }
    }
  }
}

Tools (7)

Tool	Description
get_token_price	Current price from Uniswap V2/V3 and Aerodrome pools
get_price_history	Recent price data points from swap events
get_volatility	Price volatility (stddev of returns) from recent swaps
get_liquidity_depth	Pool reserves and liquidity across all DEXes
get_price_impact	Estimated price impact for a given trade size
compare_prices	Cross-DEX price comparison (arbitrage finder)
get_market_summary	Combined report: price, volume, liquidity, volatility

Data Sources

• Uniswap V2 (Factory: 0x8909Dc15e40173Ff4699343b6eB8132c65e18eC6)
• Uniswap V3 (Factory: 0x33128a8fC17869897dcE68Ed026d694621f6FDfD)
• Aerodrome (Factory: 0x420DD381b31aEf6683db6B902084cB0FFECe40Da)

Environment Variables

Variable	Default	Description
RPC_URL	https://mainnet.base.org	Base mainnet RPC endpoint

Related MCP Servers

Package	Tools	What it does
obsd-launchpad-mcp	14	Deploy tokens, trade, earn OBSD
base-security-scanner-mcp	8	Scan contracts for vulnerabilities
base-price-oracle-mcp	7	On-chain price feeds from DEX pools
base-multi-wallet-mcp	8	Coordinated multi-wallet trading
base-gasless-deploy-mcp	5	Gasless ERC-20 token deployment
base-flash-arb-mcp	7	Detect arbitrage opportunities
base-token-sniper-mcp	5	Discover & trade new launches
base-wallet-toolkit-mcp	7	Wallet balances, gas, tokens
base-contract-reader-mcp	6	Read any smart contract (free)
create-mcp-server-cli	-	Scaffold a new MCP server

License

MIT