| name | mempool |
| description | Mempool.space REST and WebSocket API for Bitcoin (and Liquid) mempool, blocks, transactions, addresses, fees, mining, and Lightning explorer. |
| metadata | {"author":"hairy","version":"2026.2.24","source":"Generated from https://github.com/mempool/mempool, scripts located at https://github.com/antfu/skills"} |
Skill is based on mempool (mempool.space) backend and frontend API surface, generated at 2026-02-24.
Mempool is the open-source mempool visualizer, block explorer, and API service behind mempool.space. It provides REST and WebSocket APIs for fees, blocks, transactions, addresses (with Electrum/Esplora), mining pools and hashrate, optional Lightning explorer, and Liquid assets. Use this skill when building agents or tools that query or stream Bitcoin/Liquid chain and mempool data.
Core References
| Topic | Description | Reference |
|---|
| REST API overview | Base URL, prefix /api/v1/, main endpoint groups | core-rest-api |
| WebSocket | Live blocks, mempool-blocks, stats, want/track actions | core-websocket |
| Configuration | mempool-config.json, env overrides, backend behavior | core-configuration |
Features
Fees and Mempool
| Topic | Description | Reference |
|---|
| Fees and mempool state | Recommended/precise fees, mempool blocks, transaction times, CPFP | features-fees-mempool |
Blocks and Transactions
Addresses
| Topic | Description | Reference |
|---|
| Addresses and scripthash | Address stats, txs, UTXO, validation (Electrum/Esplora) | features-addresses |
Liquid and Lightning
Services
Best Practices
| Topic | Description | Reference |
|---|
| API usage | Network selection, init-data vs WebSocket, pagination, 503 handling | best-practices-api-usage |
