ALWAYS load before writing or modifying Foundry test files (.t.sol). Covers fuzz testing, gas benchmarks, naming conventions, and test patterns.
Install
npx skills add towns-protocol/towns --skill foundry-testingnpx skills add towns-protocol/towns --skill foundry-testing -a claude-code -gnpx skills add towns-protocol/towns --skill foundry-testing -a codex -ggemini skills install https://github.com/towns-protocol/towns.git --path .claude/skills/foundry-testinggh skill install towns-protocol/towns foundry-testinggit clone --depth 1 https://github.com/towns-protocol/towns /tmp/towns-protocol__towns
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/towns-protocol__towns/.claude/skills/foundry-testing ~/.claude/skills/foundry-testing # Claude Code
cp -R /tmp/towns-protocol__towns/.claude/skills/foundry-testing ~/.agents/skills/foundry-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode