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Blockchair MCP Server

Developer ToolsLow Risk8.2MCP RegistryLocalRemote
Free

Server data from the Official MCP Registry

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

About

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

Remote endpoints: streamable-http: https://gateway.pipeworx.io/blockchair/mcp

Security Report

8.2
Low Risk8.2Low Risk

This is a well-structured MCP server for querying Blockchair blockchain data. It implements proper input validation, maintains a whitelist of supported chains, and makes only authenticated calls to a public API. No credentials are hardcoded, no dangerous operations are present, and permissions are appropriate for a blockchain data aggregator. Minor code quality observations do not impact security.

3 files analyzed · 2 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Install & Connect

Available as Local & Remote

This plugin can run on your machine or connect to a hosted endpoint. during install.

Documentation

View on GitHub

From the project's GitHub README.

@pipeworx/blockchair

Blockchair MCP — multi-chain block explorer (Bitcoin, Ethereum, Litecoin, BCH, Doge, Dash, ZEC, XRP, Stellar, Monero, Cardano, EOS, …). Free tier keyless (~30 req/min).

Part of Pipeworx — an MCP gateway connecting AI agents to 1394+ live data sources.

Tools

  • stats(chain) — chain-wide stats (height, hashrate, supply, …)
  • block(chain, hash_or_height) — block details
  • transaction(chain, txid) — transaction details
  • address(chain, address) — address dashboard
  • node(chain) — node software stats

chain is one of: bitcoin, bitcoin-cash, litecoin, bitcoin-sv, dogecoin, dash, groestlcoin, zcash, ecash, ethereum, mixin, monero, stellar, ripple, cardano, eos.

Data source

https://api.blockchair.com/<chain>/

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

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

Or connect to the full Pipeworx gateway for access to all 1394+ data sources:

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

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English:

ask_pipeworx({ question: "your question about Blockchair data" })

The gateway picks the right tool and fills the arguments automatically.

More

License

MIT

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Blockchair MCP Server - Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, | MCP Marketplace