# Testing

> Write and run smart contract tests with Foundry, covering unit, fuzz, fork, and invariant testing, with guidance on what to test and common LLM pitfalls.

- Skill: `bankrbot/testing` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add bankrbot/testing`
- Raw SKILL.md: https://api.skillmd.com/api/skills/bankrbot/testing/raw
- Safety review: INCONCLUSIVE (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools, Testing & QA
- Tags: Fork Testing, Foundry, Fuzz Testing, Invariant Testing, Smart Contracts, Solidity, Unit Testing
- Author: BankrBot (https://skillmd.com/u/bankrbot)
- Updated: 2026-07-06
- Page: https://skillmd.com/skills/bankrbot/testing

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# Testing

Provided by EthSkills. Installs outside this repo — see `catalog.json` `install.command`.