cyberneticlibrary

Query blockchain data and token prices

mcp-servermcp_serversetup L20
alchemyplatform/alchemy-mcp-server
What it does

Query blockchain data, token prices, and NFTs

Best for

DeFi agents querying token prices, NFT ownership, and transaction history.

Inputs
  • · wallet address + network
  • · token symbol or contract address
  • · date range for price history
Outputs
  • · token price + history
  • · NFT ownership list
  • · transaction details
  • · token balances
Requires
  • · Alchemy API key
  • · Wallet agent server for transactions/swaps (optional)
Preconditions
  • · npm or pnpm installed
  • · Environment variables configured
Failure modes
  • · Transaction/swap operations need external wallet server
Trust signals
  • · Published to npm with version tracking
  • · Official vendor-maintained repository
  • · Open source with contribution guidelines