How do I install the Mempool skill?

Run npx skillmds@latest add hairyf/mempool in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Mempool safe to use?

This skill has not completed SkillMD's automated safety review yet. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Mempool?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Mempool free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Mempool?

hairyf (@hairyf) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Mempool by hairyf — Agent Skill

Name: Mempool
Rating: 4.5 (4 reviews)
Author: hairyf

File contents

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

Topic	Description	Reference
Blocks and transactions	Block list/hash/txids/txs, tx status/outspends, push tx, RBF	features-blocks-transactions

Addresses

Topic	Description	Reference
Addresses and scripthash	Address stats, txs, UTXO, validation (Electrum/Esplora)	features-addresses

Liquid and Lightning

Topic	Description	Reference
Liquid	Assets, icons, supply (Liquid network)	features-liquid
Lightning and mining	Lightning search/nodes/channels; mining pools, hashrate, statistics	features-lightning-mining-statistics

Services

Topic	Description	Reference
Acceleration and services	Accelerator API, wallet/stratum when enabled	features-acceleration-services

Best Practices

Topic	Description	Reference
API usage	Network selection, init-data vs WebSocket, pagination, 503 handling	best-practices-api-usage

---name: mempooldescription: Mempool.space REST and WebSocket API for Bitcoin (and Liquid) mempool, blocks, transactions, addresses, fees, mining, and Lightning explorer.---> 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](references/core-rest-api.md) || WebSocket | Live blocks, mempool-blocks, stats, want/track actions | [core-websocket](references/core-websocket.md) || Configuration | mempool-config.json, env overrides, backend behavior | [core-configuration](references/core-configuration.md) |## Features### Fees and Mempool| Topic | Description | Reference ||-------|-------------|-----------|| Fees and mempool state | Recommended/precise fees, mempool blocks, transaction times, CPFP | [features-fees-mempool](references/features-fees-mempool.md) |### Blocks and Transactions| Topic | Description | Reference ||-------|-------------|-----------|| Blocks and transactions | Block list/hash/txids/txs, tx status/outspends, push tx, RBF | [features-blocks-transactions](references/features-blocks-transactions.md) |### Addresses| Topic | Description | Reference ||-------|-------------|-----------|| Addresses and scripthash | Address stats, txs, UTXO, validation (Electrum/Esplora) | [features-addresses](references/features-addresses.md) |### Liquid and Lightning| Topic | Description | Reference ||-------|-------------|-----------|| Liquid | Assets, icons, supply (Liquid network) | [features-liquid](references/features-liquid.md) || Lightning and mining | Lightning search/nodes/channels; mining pools, hashrate, statistics | [features-lightning-mining-statistics](references/features-lightning-mining-statistics.md) |### Services| Topic | Description | Reference ||-------|-------------|-----------|| Acceleration and services | Accelerator API, wallet/stratum when enabled | [features-acceleration-services](references/features-acceleration-services.md) |## Best Practices| Topic | Description | Reference ||-------|-------------|-----------|| API usage | Network selection, init-data vs WebSocket, pagination, 503 handling | [best-practices-api-usage](references/best-practices-api-usage.md) |

Frequently asked questions

Mempool