# Indexing

> Read and query onchain data using events, The Graph, Dune, Ponder, Multicall3, and WebSocket subscriptions, with guidance on block iteration limitations.

- Skill: `bankrbot/indexing` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/indexing`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/indexing/raw
- Safety review: INCONCLUSIVE (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics, Coding & Dev Tools, ETL & Pipelines, SQL & Databases
- Tags: Blockchain, Dune, Events, Multicall3, Onchain Data, Ponder, The Graph, Websocket Subscriptions
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-07-06
- Page: https://skillmd.com/skills/bankrbot/indexing

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# Indexing

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