MCP server

Mempool Space

io.github.pipeworx-io/mempool-space

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

mempool.space MCP — Bitcoin block explorer + mempool/fee stats

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 28,045 tokens per request once connected52 tools

https://gateway.pipeworx.io/mempool-space/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 52
Token cost: About 28,045 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

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 mempool-space https://gateway.pipeworx.io/mempool-space/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.mempool-space]
url = "https://gateway.pipeworx.io/mempool-space/mcp"

Gemini CLI

{"mcpServers":{"mempool-space":{"httpUrl":"https://gateway.pipeworx.io/mempool-space/mcp"}}}

Cursor

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

VS Code

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

Antigravity

agy mcp add mempool-space https://gateway.pipeworx.io/mempool-space/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":"mempool-space","server_url":"https://gateway.pipeworx.io/mempool-space/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"mempool-space","server_url":"https://gateway.pipeworx.io/mempool-space/mcp"}

block_height ~153 tokens
Return the current chain tip block height (latest mined block number) for mainnet, testnet, signet, or liquid.
get_address ~153 tokens
Address summary (UTXO + tx counts).
get_address_transactions ~266 tokens
Recent Bitcoin transactions touching one address, read from the mempool.space block explorer API (mainnet by default; testnet, signet, and Liquid also selectable). Returns up to 50 transactions with txid, inputs, outputs, values in satoshis, fee, size, and confirmation status. Answers what a BTC add
get_block ~193 tokens
Block detail by hash or height.
get_transaction ~193 tokens
Fetch full transaction detail (inputs, outputs, fee, size, confirmation status) for a given txid on mainnet/testnet/signet/liquid.
get_tx_status ~183 tokens
Return confirmation status (confirmed, block hash, block height) for a txid without fetching the full transaction body.
hashrate ~170 tokens
Network hashrate + difficulty history.
mempool_stats ~134 tokens
Current mempool size + tx count + total fees.
mining_pools ~158 tokens
Block share by mining pool.
recommended_fees ~139 tokens
Current sat/vB fee recommendations.

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