# Mempool.space

> Use this tool when you need to access comprehensive Bitcoin network data, including transaction details, block information, and mempool status, through a simplified API interface. It solves problems for developers, analysts, and traders by providing real-time data and fee recommendations, while supporting both public and local Bitcoin node instances. With 30+ tools for querying data, it offers a streamlined way to retrieve blockchain information without managing API complexity.

Canonical page: https://skillsregistry.net/skills/alexandresanlim-mempool  
JSON: https://api.skillsregistry.net/v1/skills/alexandresanlim-mempool

## Description

A Bitcoin mempool and blockchain data MCP server built by Alexandre Sanlim that provides comprehensive access to mempool.space APIs through a clean Domain-Driven Design architecture. The server exposes 30+ tools for querying Bitcoin network data including transaction details, block information, address balances, mining pool statistics, fee recommendations, and mempool status, with support for both public mempool.space and local Bitcoin node instances like Umbrel. Built with TypeScript and organized into distinct application, domain, infrastructure, and interface layers, it's particularly useful for Bitcoin developers, analysts, and traders who need programmatic access to real-time blockchain data without managing API complexity directly.

## Trust

- **Trust score (0–1):** 1.00
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/alexandresanlim-mempool)
- **Repository:** <https://github.com/alexandresanlim/mempool-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "alexandresanlim-mempool"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/alexandresanlim-mempool` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/alexandresanlim-mempool/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt