"iOS" matching MCP connectors:

ENS (Ethereum Name Service) MCP.

Chainlist MCP — registry of EVM chains

DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)

The Graph MCP — indexed blockchain data via subgraph GraphQL queries

Etherscan MCP — multichain block-explorer API (Etherscan V2)

Solscan MCP — Solana block-explorer API (Pro v2)

OpenSea MCP — NFT marketplace data (v2 API)

Blockscout MCP — multi-chain block-explorer aggregate

Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)

Alchemy (Ethereum + L2) MCP.