chainhook ☆

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Description:
Reorg-aware indexing engine for the Stacks & Bitcoin blockchains

Type: Formula | Latest Version: 1.9.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | @hirosystems | formulae.brew.sh

Category: Developer tools

Tags: blockchain indexing stacks bitcoin web3

Install: brew install chainhook

About:
Chainhook is a reorg-aware indexing engine designed for the Stacks and Bitcoin blockchains. It allows developers to specify predicates that trigger specific actions upon matching on-chain events. This tool provides a robust mechanism for building responsive applications that need to react to blockchain state changes reliably.

Key Features:

Reorg-aware indexing for data consistency
Predicate-based event matching and action triggering
Supports both Bitcoin and Stacks blockchains
Offers an SDK for custom indexers

Use Cases:

Building event-driven architectures for blockchain apps
Indexing on-chain data for analytics or frontend display
Automating responses to specific smart contract interactions

Alternatives:

Clarinet – Clarinet focuses on Clarity smart contract development/testing, while Chainhook focuses on indexing and data consumption.
The Graph – The Graph is a decentralized indexing protocol, whereas Chainhook is a self-hosted, open-source engine.

License: GPL-3.0-only

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 13, 2025 8:10am		0	VERSION_BUMP	1ac0a56c