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Reality Verification

Reality Verification is an agent skill (a SKILL.md file) from tzachbon/smart-ralph. It should be used when the user asks to "verify a fix", "reproduce failure", "diagnose issue", "check BEFORE/AFTER state", "VF task", "reality check", "check test quality", "mock-only. It works with Claude Code and Codex and has 556 GitHub stars.

github.com/tzachbon/smart-ralph/plugins/ralph-specum/skills/reality-verification (opens in a new tab)

View on GitHub (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add tzachbon/smart-ralph
/plugin install ralph-specum@smart-ralph

In the Claude apps, zip the reality-verification folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/tzachbon/smart-ralph.git
cp -r smart-ralph/plugins/ralph-specum/skills/reality-verification .agents/skills/reality-verification   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/tzachbon/smart-ralph.git
cp -r smart-ralph/plugins/ralph-specum/skills/reality-verification .cursor/skills/reality-verification   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

This skill should be used when the user asks to "verify a fix", "reproduce failure", "diagnose issue", "check BEFORE/AFTER state", "VF task", "reality check", "check test quality", "mock-only tests", or needs guidance on verifying fixes by reproducing failures before and after implementation, or detecting mock-heavy test anti-patterns. For fix goals: reproduce the failure BEFORE work, verify resolution AFTER.

When it triggers

  • used when the user asks to "verify a fix", "reproduce failure", "diagnose issue", "check BEFORE/AFTER state", "VF task", "reality check", "check test quality", "mock-only tests", or needs guidance on verifying fixes by reproducing failures
  • "verify a fix"
  • "reproduce failure"
  • "diagnose issue"
  • "check BEFORE/AFTER state"
  • "VF task"
  • "reality check"
  • "check test quality"

Similar skills

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FAQ

Reality Verification FAQ

Still curious? Email info@appsgit.com.

What is the Reality Verification skill?

Reality Verification is an agent skill (a SKILL.md file) from tzachbon/smart-ralph. It should be used when the user asks to "verify a fix", "reproduce failure", "diagnose issue", "check BEFORE/AFTER state", "VF task", "reality check", "check test quality", "mock-only. It works with Claude Code and Codex and has 556 GitHub stars. Its SKILL.md lives at github.com/tzachbon/smart-ralph/plugins/ralph-specum/skills/reality-verification.

How do I install the Reality Verification skill?

In Claude Code, run /plugin marketplace add tzachbon/smart-ralph and then /plugin install ralph-specum@smart-ralph. For Codex or Cursor, copy the reality-verification folder into .agents/skills/ or .cursor/skills/.

Is the Reality Verification skill free?

Yes. The repository is open source under the MIT license.

Is Reality Verification maintained?

The repository's most recent commit was on Sep 2, 2026. Its latest release is v4.0.0. appsgit only lists skills from repositories with a commit in the last six months.