A goal-planning skill that turns a vague or oversized request into one clearly bounded objective. It defines what must be finished, what files should not be changed, and how completion will be checked.

Use it to draft a `GOAL.md` with an objective, measurable done conditions, restrictions, and a verifier. It also suggests the exact goal command to run.

It makes large tasks easier to execute and verify before implementation begins. It exposes missing acceptance criteria and helps split work that should be handled as separate goals.

goal-scoper — Skill by cobusgreyling

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods

npx agentmods add skills/cobusgreyling/goal-engineering/goal-scoper

Any agent

npx skills add cobusgreyling/goal-engineering --skill goal-scoper

Clone the repo

git clone --depth 1 https://github.com/cobusgreyling/goal-engineering

Made for: Claude Code, Codex.

Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 232 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5	$0.00047	$0.00232
Opus 5	$0.00023	$0.00116
Sonnet 5	$0.00009	$0.00046
Haiku 4.5	$0.00005	$0.00023

Measured yesterday against content hash c174a2476acf, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

goal-scoper scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.grok/skills/goal-scoper/SKILL.md · 29 lines

What it actually says

Goal Scoper

Turn ambiguous work into one /goal-ready objective.

Steps

Read the user request and relevant codebase areas.
Identify if the work should be one goal or multiple sequential goals.
Write:
- Objective (one sentence)
- Done condition (checklist, objectively verifiable)
- Deny list (paths agent must not touch)
- Verifier (tests, skill, sub-agent)
Output markdown suitable for GOAL.md.
Suggest the exact /goal ... line the user should run.

Principles

Smaller goals finish faster and verify cleaner.
Every done item must be checkable by the verifier without human judgment.
If exploration is needed first, recommend Plan mode — not /goal.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 29 lines · 47 tokens per session scan A c174a2476acf

Subscribe to this mod's changes

goal-scoper is a skill published in the GitHub repository cobusgreyling/goal-engineering (39 stars, last pushed 2mo ago), licensed MIT. It adds 47 tokens to every session and 232 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Planning Productivity Writing and docs ai-agents automation goal-engineering grok grok-build verifier-skills

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