Join the waitlist

SpecLock guides

Free how-to guides for writing acceptance criteria before you prompt an AI coding agent.

Acceptance criteria before you prompt Claude Code

A 3-minute Given/When/Then template and CLAUDE.md / AGENTS.md snippet so Claude Code implements one criterion at a time without silent scope creep.

Spec-driven development with Cursor

How to combine Given/When/Then acceptance criteria with Cursor project rules (.cursor/rules, AGENTS.md) so Agent stops silently regressing features.