What is verification-before-completion?
verification-before-completion is a Claude skill by obra that use when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success. It is listed under Engineering practice and has 231,000 installs.
| Type | Claude skill |
|---|---|
| Author | obra |
| Repository | obra/superpowers |
| Popularity | 231,000 installs |
| Category | Engineering practice |
| Security | Low risk (100/100) |
| Rank | #117 of 1,262 Claude skills; #25 in Engineering practice |
| SKILL.md length | 120 lines |
| License | MIT |
| Last commit | 2026-10-10 |
| Stars this week | +3,625 |
Is verification-before-completion safe to install?
verification-before-completion scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 9 of 9 checks.
Skill results come from a static scan of its SKILL.md for instruction overrides, hidden actions, risky commands and credential access.
| Check | Result |
|---|---|
| No instruction-override phrases | Pass |
| No hidden actions | Pass |
| No pipe-to-shell installers | Pass |
| No obfuscated code | Pass |
| No destructive commands | Pass |
| Doesn't ask for keys or credentials | Pass |
| No network requests | Pass |
| No shell commands | Pass |
| Installs no packages | Pass |
How do I install verification-before-completion?
- Install with the skills CLI. Works for Claude Code and other agents that read skills.
npx skills add https://github.com/obra/superpowers --skill verification-before-completion
- Or copy it by hand. Claude Code loads any folder with a SKILL.md from ~/.claude/skills.
git clone https://github.com/obra/superpowers cp -r superpowers/skills/verification-before-completion ~/.claude/skills/verification-before-completion
- Use it. Claude loads the skill when a task matches its description. You can also name it in your prompt.
Use the verification-before-completion skill to …
Or ask Claude to set it up
Paste this into Claude Code and it installs verification-before-completion for you:
Install the "verification-before-completion" skill from https://github.com/obra/superpowers/tree/main/skills/verification-before-completion into ~/.claude/skills, then tell me in one line what it does.
More from obra/superpowers
This repository has at least 9 Claude skills on MCPMods.
- brainstorming: You MUST use this before any creative work - creating features, building components, adding functionality, modifying beh (Low risk)
- systematic-debugging: Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes (Low risk)
- writing-plans: Use when you have a spec or requirements for a multi-step task, before touching code (Low risk)
- using-superpowers: Use when starting any conversation - establishes how to find and use skills, requiring skill invocation before ANY respo (Low risk)
- requesting-code-review: Use when completing tasks, implementing major features, or before merging to verify work meets requirements (Low risk)
- test-driven-development: Use when implementing any feature or bugfix, before writing implementation code (Low risk)
- executing-plans: Use when executing an implementation plan in the current session as the implementer yourself — your human partner chose (Low risk)
- subagent-driven-development: Use when executing implementation plans with independent tasks in the current session (Low risk)