win4r

Goal Prompt Builder — Security skill for Claude Code

Security community

Build audit-friendly /goal prompts for OpenAI Codex.

How to install Goal Prompt Builder

This entry records only its repository, not the path inside it, so there is no exact command to give. Open win4r/goal-prompt-builder and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Goal Prompt Builder does

Build audit-friendly /goal prompts for OpenAI Codex.

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README

goal-prompt-builder

**A Claude Skill for writing high-quality `/goal` prompts that don't go off the rails.**

[简体中文](./README_CN.md) · English

OpenAI Codex CLI 0.128 introduced `/goal` — a persistent agent objective with runtime audit, token budget, and a soft-stop state machine. It can drive a single task for **20+ hours unattended**.

But it has one ugly failure mode: write the goal vaguely, and Codex will burn 100K tokens going in the wrong direction, then declare success.

This skill makes that failure mode hard to hit. It walks Claude (or you) through a **5-section golden template** (Objective / Scope / Constraints / Done when / Stop if), auto-detects your project type, reads your `AGENTS.md` / `CLAUDE.md`, and predicts audit-friendliness *before* you run the command.

TL;DR

# Install (one-time)
curl -L -o /tmp/goal-prompt-builder.skill \
  https://github.com/win4r/goal-prompt-builder/raw/main/goal-prompt-builder.skill
mkdir -p ~/.claude/skills && unzip -o /tmp/goal-prompt-builder.skill -d ~/.claude/skills/

# Use (in any Claude conversation)
You: help me write a /goal for refactoring the auth module
Claude: [skill triggers, walks you through 6 steps, outputs a paste-ready /goal]

What you get

A `.skill` bundle containing:

File	Lines	Purpose
`SKILL.md`	~250	Main routing logic + 6-step workflow
`references/project-types.md`	~260	Defaults for Node / Python / Swift / Go / Rust / static
`references/scenarios.md`	~330	Skeletons for 7 scenarios (refactor / feature / batch / archaeology / UI audit / gatekeeper / custom)
`references/examples.md`	~260	5 worked input→output transformations

Total ~1100 lines of carefully designed prompt engineering — distilled from Codex's actual `continuation.md` audit prompt, the `/goal` PR stack (#18073-#18077), and the public issue tracker (#19910, #20656, #20792, #20536).