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indexing - Onchain Data Indexing and Querying

Read and query blockchain historical data using events and indexing protocols like The Graph

Tags

Updated: 2026-06-30
blockchainindexingdataGraphQLeventsThe GraphEthereumWeb3

Capabilities

read contract eventsquery historical datacreate subgraphdeploy indexer

Typical Inputs

contract addresscontract ABIblock number range

Typical Outputs

GraphQL API endpointquery resultsevent data

What this skill does

  • read contract events
  • query historical data
  • create subgraph
  • deploy indexer
  • get token balances
  • fetch NFT transfers
  • read current state
  • write GraphQL queries
  • monitor real-time events

Inputs

  • contract address
  • contract ABI
  • block number range
  • GraphQL query
  • user address
  • RPC endpoint URL
  • events list

Outputs

  • GraphQL API endpoint
  • query results
  • event data
  • token balance data
  • NFT transfer history
  • real-time event updates

Requirements

  • blockchain RPC access
  • Graph CLI for subgraph development
  • ABI files
  • Node.js environment

Source

  • Spec: SKILL.md

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