| name | hardhat |
| description | Hardhat — Ethereum development environment (Runner, Network, Ignition, config, tasks, plugins, testing, deployment). |
| metadata | {"author":"hairy","version":"2026.2.9","source":"Generated from https://github.com/NomicFoundation/hardhat and https://hardhat.org/docs"} |
Skill based on Hardhat (NomicFoundation/hardhat), generated 2026-02-09. Official docs: https://hardhat.org/docs
Hardhat is an Ethereum development environment: task runner (compile, test, run, node), built-in Hardhat Network, Hardhat Ignition for declarative deployment, and plugins (toolbox ethers/viem, Chai matchers, verify, etc.).
Core References
| Topic | Description | Reference |
|---|
| Getting started | Init, tasks, compile/test/deploy flow | core-getting-started |
| Configuration | hardhat.config, networks, solidity, paths, mocha | core-config |
| HRE | Hardhat Runtime Environment, network, artifacts, config | core-hre |
| Compiler config | Solidity version, optimizer, viaIR, settings | core-compiler-config |
| Build profiles | default vs production, --build-profile, solidity.profiles | core-build-profiles |
| Config variables | configVariable, keystore, secrets, env | core-config-variables |
| Tasks and plugins | HRE, tasks, plugins, creating tasks | core-tasks-plugins |
Features
| Topic | Description | Reference |
|---|
| Hardhat Network | In-process vs node, JSON-RPC, forking, network helpers | features-network |
| Hardhat Ignition | Declarative deployment, buildModule, Future, deploy | features-ignition |
| Deployment overview | Ignition vs scripts, network and keystore setup | features-deployment-overview |
| Deployment scripts | viem/ethers deploy in scripts, hardhat run, --build-profile | features-deployment-scripts |
| Multichain | Chain types (l1, op), --chain-type, network.connect chainType | features-multichain |
| Testing | loadFixture, Chai matchers, network helpers | features-testing |
| Testing (Viem + node:test) | hre.network.connect, viem assertions, network helpers | features-testing-viem |
| Solidity tests | .t.sol, setUp, fuzz, forge-std, cheatcodes | features-testing-solidity |
| Code coverage | --coverage, LCOV, HTML report | features-testing-coverage |
| Gas statistics | --gas-stats, per-function and deployment gas | features-testing-gas-stats |
| Toolbox and verify | Ethers vs Viem toolbox, contract verification | features-toolbox-verify |
Advanced
| Topic | Description | Reference |
|---|
| Cheatcodes | vm.prank, time, and other Solidity test cheatcodes | advanced-cheatcodes |
External Links
