MCP server

Blockchair

io.github.pipeworx-io/blockchair

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Blockchair MCP — multi-chain block explorer (free tier, keyless).

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

47

Token cost

About 26,821 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.blockchair]
url = "https://gateway.pipeworx.io/blockchair/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"blockchair":{"type":"http","url":"https://gateway.pipeworx.io/blockchair/mcp"}}}

Antigravity

agy mcp add blockchair https://gateway.pipeworx.io/blockchair/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"blockchair","server_url":"https://gateway.pipeworx.io/blockchair/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"blockchair","server_url":"https://gateway.pipeworx.io/blockchair/mcp"}

Tools

• address ~105 tokens
  Address dashboard (balance + recent txs).
• block ~126 tokens
  Block details by hash or height.
• node ~69 tokens
  Node software stats (sync status, version, latest block, …).
• stats ~104 tokens
  Fetch chain-wide blockchain statistics (block count, transaction volume, hash rate, mempool size, circulation, etc.) for a given chain (bitcoin, ethereum, dogecoin, and 12 others).
• transaction ~114 tokens
  Transaction details by txid.

Browse

• GitHub tools
• GitHub and code hosting
• Crypto and blockchains
• Government and public data

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