indexing

Name: indexing
Author: austintgriffith

✓

austintgriffith/ethskillsGitHub: austintgriffith/ethskills Source: austintgriffith/ethskills

How to read and query onchain data — events, The Graph, indexing patterns. Why you cannot just loop through blocks, and what to use instead.

austintgriffith·indexing

29Installs·0Trend·@austintgriffith

Installation

GitHub: austintgriffith/ethskills

$npx skills add https://github.com/austintgriffith/ethskills --skill indexing

How to Install indexing

Quickly install indexing AI skill to your development environment via command line

Open Terminal: Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.)
Run Installation Command: Copy and run this command: npx skills add https://github.com/austintgriffith/ethskills --skill indexing
Verify Installation: Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw

Source: austintgriffith/ethskills.

SKILL.md

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You try to query historical state via RPC calls. You can't cheaply read past state. ethcall reads current state. Reading state at a historical block requires an archive node (expensive, slow). For historical data, you need an indexer.

You loop through blocks looking for events. Scanning millions of blocks with ethgetLogs is O(n) — it will timeout, get rate-limited, or cost a fortune in RPC credits. Use an indexer that has already processed every block.

You store query results onchain. Leaderboards, activity feeds, analytics — these belong offchain. Compute offchain, index events offchain. If you need an onchain commitment, store a hash.

How to read and query onchain data — events, The Graph, indexing patterns. Why you cannot just loop through blocks, and what to use instead. Source: austintgriffith/ethskills.

Facts (cite-ready)

Stable fields and commands for AI/search citations.

Install command: npx skills add https://github.com/austintgriffith/ethskills --skill indexing
Source: austintgriffith/ethskills
Category: {}Data Analysis
Verified: ✓
First Seen: 2026-02-22
Updated: 2026-03-10
URL: https://www.learn-skills.dev/en/skills/austintgriffith/ethskills/indexing

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Quick answers

What is indexing?

How to read and query onchain data — events, The Graph, indexing patterns. Why you cannot just loop through blocks, and what to use instead. Source: austintgriffith/ethskills.

How do I install indexing?

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/austintgriffith/ethskills --skill indexing Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw