verification-before-completion

verification-before-completion is a skill for Claude Code, Codex from coctostan/pi-superpowers-plus. It costs 43 tokens per session (1,001 once invoked), scanned A, original, MIT.

A checklist for verifying software work before saying it is complete, fixed, or passing. It requires fresh commands and a review of their full results.

In plain words
What is it for?
Use it to choose and run verification commands, inspect failures and warnings, and report only what the results actually prove.
Why use it?
It prevents completion claims based on assumptions instead of evidence, especially before commits or pull requests.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to choose and run verification commands, inspect failures and warnings, and report only what the results actually prove.

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Install with agentmods
npx agentmods add skills/coctostan/pi-superpowers-plus/verification-before-completion
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add coctostan/pi-superpowers-plus --skill verification-before-completion
Clone the repo
git clone --depth 1 https://github.com/coctostan/pi-superpowers-plus

Made for: Claude Code, Codex.

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 verification-before-completion

README.md
[![agentmods](https://agentmods.dev/badge/skills/coctostan/pi-superpowers-plus/verification-before-completion.svg)](https://agentmods.dev/skills/coctostan/pi-superpowers-plus/verification-before-completion)
Your own site
<a href="https://agentmods.dev/skills/coctostan/pi-superpowers-plus/verification-before-completion"><img src="https://agentmods.dev/badge/skills/coctostan/pi-superpowers-plus/verification-before-completion.svg" alt="Measured on agentmods" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,001 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.
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 $0.00043 $0.01001
Opus 5 $0.00022 $0.00500
Sonnet 5 $0.00009 $0.00200
Haiku 4.5 $0.00004 $0.00100

Measured 7d ago against content hash 6d9fb4f6216f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

verification-before-completion 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 7d 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.

skills/verification-before-completion/SKILL.md · 137 lines

How it starts

The opening of the file, as written. The whole thing — 137 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Related skills: Follow up with /skill:requesting-code-review before merging. Done? /skill:finishing-a-development-branch.

Verification Before Completion

Overview

Claiming work is complete without verification is dishonesty, not efficiency.

Core principle: Evidence before claims, always.

Violating the letter of this rule is violating the spirit of this rule.

If a tool result contains a ⚠️ workflow warning, stop immediately and address it before continuing.

Boundaries

  • Run verification commands: yes
  • Read code and output: yes
  • Edit source code: no

The Iron Law

NO COMPLETION CLAIMS WITHOUT FRESH VERIFICATION EVIDENCE

If you haven't run the verification command in this message, you cannot claim it passes.

The Gate Function

BEFORE claiming any status or expressing satisfaction:

1. IDENTIFY: What command proves this claim?
2. RUN: Execute the FULL command (fresh, complete)
3. READ: Full output, check exit code, count failures
4. VERIFY: Does output confirm the claim?
   - If NO: State actual status with evidence
   - If YES: State claim WITH evidence
5. ONLY THEN: Make the claim

Skip any step = lying, not verifying

Common Failures

Claim Requires Not Sufficient
Tests pass Test command output: 0 failures Previous run, "should pass"
Linter clean Linter output: 0 errors Partial check, extrapolation
Build succeeds Build command: exit 0 Linter passing, logs look good
Bug fixed Test original symptom: passes Code changed, assumed fixed
Regression test works Red-green cycle verified Test passes once
Agent completed VCS diff shows changes Agent reports "success"
Requirements met Line-by-line checklist Tests passing

Rationalization Prevention

Excuse Reality
"Should work now" RUN the verification
"I'm confident" Confidence ≠ evidence
"Just this once" No exceptions
"Linter passed" Linter ≠ compiler
"Agent said success" Verify independently
"I'm tired" Exhaustion ≠ excuse
"Partial check is enough" Partial proves nothing
"Different words so rule doesn't apply" Spirit over letter

Read the full file on GitHub · 137 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. 7d ago First seen · 137 lines · 43 tokens per session scan A 6d9fb4f6216f

Subscribe to this mod's changes

verification-before-completion is a skill published in the GitHub repository coctostan/pi-superpowers-plus (105 stars, last pushed 6mo ago), licensed MIT. It adds 43 tokens to every session and 1,001 once invoked, about $0.0002 per session on Opus 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.