starknet-js

SKILL.md

Simulate before executing to catch reverts and inspect state changes:

Important: Always use BigInt (e.g., 1000n) for token amounts and balances. Never use Number() or parseFloat() on wei values -- JavaScript numbers lose precision above 2^53.

Execute transactions on behalf of another account (gasless/delegated):

Guide for building Starknet applications using starknet.js v9.x SDK. Use when developing Starknet dApps, interacting with smart contracts, managing accounts, handling transactions, estimating fees, integrating browser wallets, or working with Paymaster for sponsored/alternative gas token transactions. Source: keep-starknet-strange/starknet-agentic.

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