name: ethers description: Ethers.js v6 — Provider/Signer/Contract, units, ABI, contract calls and events, signing, v5→v6 migration. metadata: author: hairy version: "2026.2.9" source: Generated from https://github.com/ethers-io/ethers.js (docs.wrm), scripts at https://github.com/antfu/skills

Skill based on ethers.js v6.16.0, generated at 2026-02-09. Official docs: https://docs.ethers.org/v6/

Ethers.js is a complete, compact library for interacting with Ethereum: dapps, wallets, and scripts. This skill covers Provider/Signer/Contract separation, units and formatting, ABI, contract calls and events, message signing, and v5→v6 migration.

Core References

Topic	Description	Reference
Provider, Signer, Contract	Read/write separation, BrowserProvider, JsonRpcProvider, connecting	core-provider-signer
Units and Formatting	parseEther, parseUnits, formatEther, formatUnits	core-units-format
ABI	Human-readable ABI, Fragment, encoding, event topics/data	core-abi

Features

Contract and Signing

Topic	Description	Reference
Contract	Creation, view/pure, state-changing, staticCall, events, queryFilter	features-contract
Signing	signMessage, verifyMessage, Signature, EIP-191, EIP-712	features-signing

Advanced

Topic	Description	Reference
Migrating v5→v6	BigInt, Provider/Contract/Signature, utils renames	advanced-migrating-v6