constraints
Define and enforce this project's quality bar — interview, sane defaults, CONSTRAINTS.md
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/addyosmani/agent-skills/HEAD/.claude/commands/constraints.md -o ~/.claude/commands/constraints.mdconstraints.md
Invoke the agent-skills:constraint-driven-development skill. $ARGUMENTS Default behaviour with no arguments: set up constraints for this repository. 1. **Detect first.** Read package.json / pyproject.toml / go.mod, the test runner, existing lint configs, current coverage output, CI workflows, and the agent harness in use. Report what you found in two lines. Never ask for anything you can read. 2. **Interview, at most four questions.** One at a time, each with your best guess and a usable default so "I don't know" still produces a working config: - Which dimensions beyond the floor (coverage, security, performance, accessibility, architecture) - Block or warn when a check fails mid-task - Target numbers, or measure today's values and hold them - Slowest check tolerated before handing work back 3. **Write CONSTRAINTS.md** at the repo root with a Floor section, enforced numbers, measured-only metrics with today's values, and an exceptions table with owners and expiry dates. Every number needs a stated reason. 4. **Install what each picked dimension needs.** A dimension with a number and no tool behind it is an aspiration. Use the de facto tool so existing config keeps working: Semgrep for code scanning, gitleaks (always `--redact`) for secrets, osv-scanner for dependencies, axe-core for accessibility, Lighthouse for web vitals, size-limit for bundles, dependency-cruiser for boundaries, Stryker for assertion quality. Record the exact command next to each rule in CONSTRAINTS.md. Accessibility and performance need a running URL; if the project has none, say so and drop the dimension rather than inventing a check. Add the commands to package.json as check:fast / check:task / check:full. 5. **Place each check by cost.** Types, lint and secrets in the edit loop (seconds). Related tests and changed-line coverage at task end (under 90s). Everything else at review or in CI. Scope checks to the diff, not the whole repo. 6. **Point the agent at it.** Add a line to CLAUDE.md telling agents to read CONSTRAINTS.md and never weaken it to make a change pass. 7. **Verify.** Run the constraints against the current branch. If anything fails that the user disagrees with, fix the constraint now rather than leaving a gate people will learn to ignore. Sub-commands: - `/constraints check` — run the current constraints against this branch and report - `/constraints guard` — inspect the diff for a weakened bar: lowered thresholds, skipped or deleted tests, new suppression comments, unfinished stubs, new exceptions - `/constraints ratchet` — record today's measured values as the floor that must not fall
Implement tasks incrementally — build, test, verify, commit. Add "auto" to run the whole plan in one approved pass.
Simplify code for clarity and maintainability — reduce complexity without changing behavior
Break work into small verifiable tasks with acceptance criteria and dependency ordering
Conduct a five-axis code review — correctness, readability, architecture, security, performance
Run the pre-launch checklist via parallel fan-out to specialist personas, then synthesize a go/no-go decision
Start spec-driven development — write a structured specification before writing code
Run TDD workflow — write failing tests, implement, verify. For bugs, use the Prove-It pattern.
Senior code reviewer that evaluates changes across five dimensions — correctness, readability, architecture, security, and performance. Use for thorough code review before merge.