Agent skill

Verification Loop

by affaan-m in affaan-m/ECC

“Claude Code 세션을 위한 포괄적인 검증 시스템.”

— description from SKILL.md by affaan-m
MITAuto-check passed

Install Verification Loop

skills CLI
$ npx skills add affaan-m/ECC --skill verification-loop -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install affaan-m/ECC verification-loop --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/affaan-m/ECC.git skills-src && mkdir -p .claude/skills && cp -r skills-src/docs/ko-KR/skills/verification-loop .claude/skills/verification-loop && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
verification-loop
GitHub stars
276k
Used in
2 other repos
Token cost
~509 tokens
SKILL.md length
141 words
Files
1
Skills in repo
683
Repo updated
First seen
Licence
MIT

At a glance

  • SKILL.md covers 사용 시점, 검증 단계, 출력 형식 and 연속 모드, plus 1 more section
  • Calls npm, git and pnpm

About this skill

Verification Loop is a skill in affaan-m/ECC (276k stars). Its SKILL.md is about 509 tokens, and copies of it appear in 2 other owners' repositories. Licence: MIT.

What it can do on your machine

Read from SKILL.md and the folder at commit 4eb71d9. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npm
    • git
    • pnpm
    • npx
    • ruff

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npm, git, pnpm and npx, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Verification Loop loads about 509 tokens when it runs. Until then it costs about 12 tokens; SKILL.md has 141 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~12
When it runs · the whole SKILL.md, loaded when a task matches
~509

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from affaan-m/ECC at commit 4eb71d9, republished under its MIT licence (© affaan-m). 141 words, ~509 tokens.

Download SKILL.mdSave it as .claude/skills/verification-loop/SKILL.md (or your agent's skills folder).
name
verification-loop
description
Claude Code 세션을 위한 포괄적인 검증 시스템.
origin
ECC

검증 루프 스킬

Claude Code 세션을 위한 포괄적인 검증 시스템.

사용 시점

다음 상황에서 이 스킬을 호출하세요:

  • 기능 또는 주요 코드 변경을 완료한 후
  • PR을 생성하기 전
  • 품질 게이트가 통과하는지 확인하고 싶을 때
  • 리팩터링 후

검증 단계

단계 1: 빌드 검증
bash
# Check if project builds
npm run build 2>&1 | tail -20
# OR
pnpm build 2>&1 | tail -20

빌드가 실패하면 계속하기 전에 중단하고 수정합니다.

단계 2: 타입 검사
bash
# TypeScript projects
npx tsc --noEmit 2>&1 | head -30

# Python projects
pyright . 2>&1 | head -30

모든 타입 에러를 보고합니다. 중요한 것은 계속하기 전에 수정합니다.

단계 3: 린트 검사
bash
# JavaScript/TypeScript
npm run lint 2>&1 | head -30

# Python
ruff check . 2>&1 | head -30
단계 4: 테스트 스위트
bash
# Run tests with coverage
npm run test -- --coverage 2>&1 | tail -50

# Check coverage threshold
# Target: 80% minimum

보고 항목:

  • 전체 테스트: X
  • 통과: X
  • 실패: X
  • 커버리지: X%
단계 5: 보안 스캔
bash
# Check for secrets
grep -rn "sk-" --include="*.ts" --include="*.js" . 2>/dev/null | head -10
grep -rn "api_key" --include="*.ts" --include="*.js" . 2>/dev/null | head -10

# Check for console.log
grep -rn "console.log" --include="*.ts" --include="*.tsx" src/ 2>/dev/null | head -10
단계 6: Diff 리뷰
bash
# Show what changed
git diff --stat
git diff --name-only
git diff --cached --name-only

각 변경된 파일에서 다음을 검토합니다:

  • 의도하지 않은 변경
  • 누락된 에러 처리
  • 잠재적 엣지 케이스

출력 형식

모든 단계를 실행한 후 검증 보고서를 생성합니다:

VERIFICATION REPORT
==================

Build:     [PASS/FAIL]
Types:     [PASS/FAIL] (X errors)
Lint:      [PASS/FAIL] (X warnings)
Tests:     [PASS/FAIL] (X/Y passed, Z% coverage)
Security:  [PASS/FAIL] (X issues)
Diff:      [X files changed]

Overall:   [READY/NOT READY] for PR

Issues to Fix:
1. ...
2. ...

연속 모드

긴 세션에서는 15분마다 또는 주요 변경 후에 검증을 실행합니다:

markdown
Set a mental checkpoint:
- After completing each function
- After finishing a component
- Before moving to next task

Run: /verify

Hook과의 통합

이 스킬은 PostToolUse Hook을 보완하지만 더 깊은 검증을 제공합니다. Hook은 즉시 문제를 포착하고, 이 스킬은 포괄적인 검토를 제공합니다.

© affaan-m, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in docs/ko-KR/skills/verification-loop of affaan-m/ECC.

Open the folder on GitHubat commit 4eb71d9

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in affaan-m/ECC, which our catalogue first saw on October 7, 2026.

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Questions about Verification Loop

How do I install Verification Loop in Claude Code?

Run `npx skills add affaan-m/ECC --skill verification-loop -a claude-code`. Or copy the skill folder (docs/ko-KR/skills/verification-loop in affaan-m/ECC) into .claude/skills/verification-loop in your project. Claude Code loads it when a task matches its description.

How do I install Verification Loop in Codex?

Run `npx skills add affaan-m/ECC --skill verification-loop -a codex`. Or copy the skill folder (docs/ko-KR/skills/verification-loop in affaan-m/ECC) into .agents/skills/verification-loop in your project. Codex loads it when a task matches its description.

Can I use Verification Loop in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add affaan-m/ECC --skill verification-loop -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/verification-loop, .gemini/skills/verification-loop, .github/skills/verification-loop and .opencode/skills/verification-loop in your project.

What does Verification Loop need to run?

Going by SKILL.md and its folder, Verification Loop needs the command-line tools its instructions call (npm, git, pnpm, npx and ruff).

Does Verification Loop access the network?

SKILL.md contains no URLs. Its commands use npm, git and npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Verification Loop safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Verification Loop use?

Verification Loop is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Verification Loop use?

About 509 tokens (SKILL.md is roughly 2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

Who maintains Verification Loop?

affaan-m (a GitHub user) maintains it in affaan-m/ECC, which has 276,111 GitHub stars. The repository holds 683 skills in this directory. The repository was last updated on October 10, 2026.

Source: affaan-m/ECC on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.