# Indexing

> How to read and query onchain data — events, The Graph, Dune, Ponder, Multicall3, and WebSocket subscriptions. Why you cannot loop through blocks and what to use instead.

- Skill: `bankrbot/indexing-2` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/indexing-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/indexing-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/bankrbot/indexing-2

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# Indexing

Provided by EthSkills. Installs outside this repo — see `catalog.json` `install.command`.