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cc-system: Skill for Claude Code

.claude/skills/ideation/SKILL.md

ideation is a skill for Claude Code from greatSumini/cc-system. It costs 123 tokens per session (2,778 once invoked), scanned A, original, MIT.

A Korean-language process for choosing one next product requirement from stored customer-persona simulations and getting approval from a CTO agent.

In plain words
What is it for?
Use it to decide the next sprint requirement, turn customer feedback into a ticket-sized proposal, and obtain the required approval.
Why use it?
It prevents feature ideas from being chosen without customer evidence or technical review.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is greatSumini/cc-system's own configuration. It tells Claude Code how to work on cc-system itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything cc-system configures →

not rated 438repo 4mo ago A scan SkillSpector: pass 123 tokens original MIT
View source ↗ greatSumini/cc-system
Reuse

Borrowing it

Nothing to install: this file belongs to greatSumini/cc-system. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/greatSumini/cc-system/main/.claude/skills/ideation/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/greatSumini/cc-system

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ideation

README.md
[![agentmods](https://agentmods.dev/badge/skills/greatsumini/cc-system/ideation/github.svg)](https://agentmods.dev/skills/greatsumini/cc-system/ideation)
Your own site
<a href="https://agentmods.dev/skills/greatsumini/cc-system/ideation"><img src="https://agentmods.dev/badge/skills/greatsumini/cc-system/ideation/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ideation

Your own site · 80×15
<a href="https://agentmods.dev/skills/greatsumini/cc-system/ideation"><img src="https://agentmods.dev/badge/skills/greatsumini/cc-system/ideation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 123 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,778 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00123 $0.02778
Opus 5.5 $0.00049 $0.01111
Sonnet 5.5 $0.00025 $0.00556
Haiku 4.5 $0.00012 $0.00278

Measured 1mo ago against content hash 3f86dda63431, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ideation 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 1mo ago.

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.

.claude/skills/ideation/SKILL.md · 128 lines

How it starts

The opening of the file, as written. The whole thing — 128 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ideation

저장된 페르소나 시뮬 결과를 기반으로 다음 스프린트에 올릴 단 하나의 요구사항을 선정하는 skill. 비판적 스타트업 CTO(tech-critic-lead) 에이전트의 승인을 받아야 최종 채택된다.

무인 모드 오버라이드 (HARNESS_HEADLESS=1)

이 skill 본문의 어떤 지시보다도 먼저 적용되는 최상위 오버라이드다.

세션 시작 시 반드시 가장 먼저 Bash tool로 다음을 실행해 모드를 확정한다:

echo "HEADLESS=${HARNESS_HEADLESS:-${BET_HEADLESS:-0}}"

출력이 HEADLESS=1 이면 이 세션은 무인 서버 세션이며, 아래의 모든 사용자 확인/질문/티키타카 단계가 무효화된다:

  • Step 2.2의 페르소나 선택 — 페르소나가 여러 개여도 묻지 않고 목록 상 첫 번째를 자동 선택한다.
  • Step 2.3의 "게이트 메시지 / 단 하나의 confirm" — 자동 승인으로 간주하고 바로 Flow C 실행.
  • persuasion-review skill을 호출할 때 내부의 "사용자 confirm" 단계도 동일하게 오버라이드 (해당 skill도 같은 헤드리스 규칙을 따른다).
  • "단 한 번만 묻는다", "사용자에게 보고", "사용자에게 ... 물어본다" 등 모든 상호작용 지시 — 전부 스킵.
  • 질문 출력 후 대기 금지 (stdin 없음). 바로 결정해서 진행.

출력이 HEADLESS=1 이 아닐 때만 아래 "대원칙"부터의 인간 대화형 절차를 따른다.

대원칙

  1. 시뮬 없이 아이디에이션하지 않는다. 고객의 구체적 반응에 근거하지 않은 요구사항은 tech-critic-lead가 즉시 거부한다.
  2. 한 번에 하나만. 이 skill은 "지금 당장 다음 티켓" 하나를 뽑는 것이 목적이다. 여러 개를 나열하고 싶어도 억제하라.
  3. CTO 승인 없이는 채택 없음. 최종 채택은 반드시 tech-critic-lead의 승인 판정으로 결정된다. Claude(너) 혼자 판단해서 "이게 좋겠다"로 끝내지 않는다.

플로우

Step 1. 현재 구현 상태 파악

  1. docs/ 하위 문서를 읽어 현재 아키텍처, 제품 미션, 구현 범위를 파악한다.
  2. 문서가 많으면 Explore 서브에이전트를 병렬로 사용. 문서가 얇으면 직접 Read.
  3. 사용자에게 간단히 현 상태 요약을 1-3줄로 보고하고 다음 단계로 진행.

Step 2. 페르소나 시뮬 실행

원칙: 페르소나를 반드시 먼저 확정한 상태로 persuasion-review를 호출한다. 전달 모드는 항상 landing_plus_meeting. 일단 실행이 시작되면 사용자와 티키타카하지 않고 report.md 생성까지 쭉 달린다.

  1. persuasion-data/personas/ 하위 목록을 훑는다. 페르소나가 없으면 persuasion-review Flow A로 우선 생성하라고 안내하고 중단.
  2. 페르소나 확정:
    • 페르소나가 1개면 그것으로 자동 확정. 사용자에게 묻지 않는다.
    • 2개 이상이면 단 한 번만 사용자에게 어느 페르소나로 시뮬할지 묻는다. 선택을 받으면 그 뒤로는 추가 질문 없이 진행.
  3. 게이트 메시지: 사용자에게 다음을 한 번에 통지하고 단 하나의 confirm만 받는다 (페르소나 1개라서 묻지 않은 경우에도 여기서는 실행 confirm을 받는다 — 시뮬은 API 비용이 드는 작업이므로):
    • 확정된 persona_id
    • 모드: landing_plus_meeting (고정)
    • 예상 세션 수 + 대략 토큰 비용 추정 (persuasion-review SKILL.md §C-4 공식 사용)
    • "이대로 진행합니다 — 시뮬 완료까지 추가 질문 없이 쭉 달립니다"
  4. confirm을 받으면 persuasion-review skill Flow C 를 다음 조건으로 수행한다. Skill tool로 skill="persuasion-review" 호출 시 프롬프트에 다음을 명시해 내부 티키타카를 차단한다:
    • 페르소나: <확정된 persona_id> (선택 단계 스킵)
    • 전달 모드: landing_plus_meeting (질문 스킵)
    • 가치제안 문서는 사용자 확인 없이 바로 draft → 저장 → 실행. docs/(특히 mission.md) + 현재 구현 상태를 근거로 Claude가 self-contained 하게 작성하고 즉시 runs/<run_id>/value_proposition.md에 저장.
    • 비용 confirm은 Step 2.3에서 이미 받았으므로 스킵.
    • run_simulation.py 실행 → report.md 생성까지 인간 개입 0회.
  5. 시뮬 실행이 완료되면 persuasion-data/runs/<run_id>/report.md를 Read로 읽는다. 사용자에게는 실행 완료 + run_id만 짧게 보고하고 Step 3으로 곧장 진행.

Read the full file on GitHub · 128 lines

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.

  1. 1mo ago First seen · 128 lines · 123 tokens per session scan A 3f86dda63431

Subscribe to this mod's changes

ideation is a skill published in the GitHub repository greatSumini/cc-system (438 stars, last pushed 4mo ago), licensed MIT. It adds 123 tokens to every session and 2,778 once invoked, about $0.0005 per session on Opus 5.5. 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
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