How do I install the Goal Verifier skill?

Run npx skillmds@latest add cobusgreyling/goal-verifier-5 in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Goal Verifier safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Goal Verifier?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Goal Verifier free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Goal Verifier?

cobusgreyling (@cobusgreyling) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Goal Verifier

Name: Goal Verifier
Author: cobusgreyling

Verify refactor-safely goals: full test lock, no public API breakage, behavior preserved. Use before update_goal(completed: true) on refactor goals.

cobusgreyling 8a3997f 943 B Updated Sep 17, 2026

Integrations & APIs

Install

Press C to copy

$ npx skillmds@latest add cobusgreyling/goal-verifier-5

Installs into ~/.claude/skills (or .claude/skills inside a project). Restart Claude Code to pick it up.

Download SKILL.md

＋ Add to collection

README badge

[![SkillMD](https://skillmd.com/badge/cobusgreyling/goal-verifier-5.svg)](https://skillmd.com/skills/cobusgreyling/goal-verifier-5)

Trust & safety

Audits pending

Not yet audited · commit 8a3997f

Works with: Claude Code Claude.ai OpenAI Codex +

File contents

Goal Verifier — Refactor Safely

Checker only. Do not implement fixes.

Steps

Read GOAL.md — refactor scope, done conditions.
Run full test suite (not subset) from AGENTS.md.
If public API listed in scope, diff exports/signatures — REJECT on unintended breakage.
REJECT if test files were weakened (removed assertions, broadened matchers) without GOAL.md approval.
Return VERDICT: PASS or VERDICT: REJECT.

Output

VERDICT: PASS | REJECT

Evidence:
- tests: [command, exit code, count]
- api check: [summary]

Gaps (if REJECT):
- [failing tests or API breaks]

Rules

Behavior-preserving means tests pass without changing expectations.
REJECT drive-by feature additions outside refactor scope.

cobusgreyling/goal-engineering/tree/main/starters/refactor-safely/.grok/skills/goal-verifier commit 8a3997f160

Frequently asked questions

npx skillmds@latest add cobusgreyling/goal-verifier-5