mempool.space pools API

Bitcoin mining pools in a window: blocks found, share of the network, empty blocks and fee delta.

Ask your agent

“Call mempool/pools with no arguments and summarize what comes back.”

Works in any MCP client connected to https://data.openkrill.app/mcp. Install in one line.

Path: mempool/pools
MCP tool: call_endpoint
Credits: 5
Cache: 30 min

Parameters

windowstring, optional	24h, 3d, 1w, 1m, 3m, 6m, 1y, 2y or 3y, default 1w
limitinteger, optional	1-50 pools, default 20

Response

data.resources[] uses the same keys as every other platform: author, engagement, metadata, with mempool.space-only fields under extras. A failed upstream call is never billed.

More mempool.space tools

blocks

MCP tool call

{
  "name": "call_endpoint",
  "arguments": {
    "path": "mempool/pools",
    "params": {}
  }
}

curl

curl "https://data.openkrill.app/v1/mempool/pools" \
  -H "x-api-key: YOUR_API_KEY"

Response

{
  "success": true,
  "platform": "mempool",
  "endpoint": "mempool/pools",
  "data": {
    "resources": [
      { "id": …, "title": …, "text": …, "url": …,
        "author": {…}, "engagement": {…},
        "metadata": {…}, "extras": {…} }
    ]
  },
  "credits_used": 5,
  "cached": false
}