Blockchair

About Blockchair

Use Blockchair with your agent

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

{
  "mcpServers": {
    "blockchair": {
      "url": "https://gateway.pipeworx.io/blockchair/mcp"
    }
  }
}

Frequently asked questions

What is Blockchair?

Blockchair is an MCP (Model Context Protocol) server by pipeworx-io. Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)

How do I connect Blockchair to Claude, Cursor, or another MCP client?

Blockchair is a remote MCP server — add its endpoint (https://gateway.pipeworx.io/blockchair/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Blockchair open source?

Yes — the source code is public at github.com/pipeworx-io/mcp-blockchair.

Can AI agents pay to use Blockchair?

Not yet through Loomal — Blockchair is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.