Hardhat Skills

Agent skills for working on Hardhat 3 projects following the Agent Skills format.

Installation

npx skills add nomicfoundation/hardhat-skills

Available Skills

hardhat

Core skill for any Hardhat 3 project. Covers testing (both Solidity & TS tests), cheatcodes, the network.create() connection API, networkHelpers, and more.

hardhat-toolbox-viem

Companion to the hardhat skill for projects using @nomicfoundation/hardhat-toolbox-viem. Covers the viem clients exposed on network.create(), contract interaction, and viem.assertions.

hardhat-toolbox-mocha-ethers

Companion to the hardhat skill for projects using @nomicfoundation/hardhat-toolbox-mocha-ethers. Covers ethers helpers on network.create(), contract interaction, TypeChain-typed contract instances, and chai matchers.

migrate-hardhat2-to-hardhat3

Migrate a Hardhat 2 project to Hardhat 3, covering core changes (ESM, declarative config, hooks system, network connections), the plugin ecosystem (hardhat-verify, @openzeppelin/hardhat-upgrades, and others) and test migration.

migrate-foundry-to-hardhat

Migrate a Foundry project to Hardhat 3, covering the build system and dependencies, Solidity test migration, coverage and gas reporting.