Official MCP RegistryHosted servergateway.pipeworx.io

Blockchair

Queries multi-chain blockchain data for Bitcoin, Ethereum, and 12 other chains.

Connect to Claude Code

Copy

claude mcp add --transport http blockchair https://gateway.pipeworx.io/blockchair/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “Blockchair”. Verified through the vendor namespace.