contract-decode

Installation
SKILL.md

Contract Decode — EVM Error & Calldata Decoder

Decode EVM contract function selectors, custom errors, calldata, and revert data.

Trigger

  • Keywords: revert, selector, 4byte, calldata, decode, custom error, execution reverted, abi decode
  • Message contains 0x + 8+ hex chars (selector or revert data)

When NOT to Use

  • Standard Error(string) revert already handled by your codebase
  • Non-EVM chain errors
  • Only need error code definitions (not hex decoding)

Input Parsing

Extract from user input:

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Installs
6
GitHub Stars
155
First Seen
Mar 9, 2026