FrontendBra1nZ/negative-test-first

Negative Test First

Agent skill: a general testing discipline — a requirement is covered only when a test shows that violating it fails. Business rules, data invariants, persistence, concurrency, API contracts, security.

Claude Code Codex Cursor

Suggested install command

npx skills add Bra1nZ/negative-test-first/Negative Test First

Always inspect the linked repository and skill instructions before running commands. Skills are instructions; permissions and execution still matter.

Instala en 1 click

Submit a related skill

Compatibility

Agent support matrix

3 supported

Agent	Status
Claude Code	Supported
OpenCode	Not listed
Cursor	Supported
MCP	Not listed
GitHub Copilot	Not listed
Windsurf