verification-before-completion

verification-before-completion is a skill for Claude Code from tranhieutt/software_development_department. It costs 48 tokens per session (1,530 once invoked), scanned A, original, MIT.

A rule that requires new evidence before saying a task is complete, fixed, passing, safe, or ready. The evidence must come from a current test, file check, diff review, or manual verification.

In plain words
What is it for?
Use it as a final check before reporting success, committing changes, opening a pull request, or declaring a build, test, or worktree clean.
Why use it?
It prevents relying on old results, appearances, or another agent's report when the current state has not been checked. This reduces false completion claims.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: agent in frontmatter; mentions subagents.

Good fit Use it as a final check before reporting success, committing changes, opening a pull request, or declaring a build, test, or worktree clean.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tranhieutt/software_development_department/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 tranhieutt/software_development_department --skill verification-before-completion
Clone the repo
git clone --depth 1 https://github.com/tranhieutt/software_development_department

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 verification-before-completion

README.md
[![agentmods](https://agentmods.dev/badge/skills/tranhieutt/software_development_department/verification-before-completion/github.svg)](https://agentmods.dev/skills/tranhieutt/software_development_department/verification-before-completion)
Your own site
<a href="https://agentmods.dev/skills/tranhieutt/software_development_department/verification-before-completion"><img src="https://agentmods.dev/badge/skills/tranhieutt/software_development_department/verification-before-completion/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 verification-before-completion

Your own site · 80×15
<a href="https://agentmods.dev/skills/tranhieutt/software_development_department/verification-before-completion"><img src="https://agentmods.dev/badge/skills/tranhieutt/software_development_department/verification-before-completion.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,530 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 $0.00048 $0.01530
Opus 5 $0.00024 $0.00765
Sonnet 5 $0.00010 $0.00306
Haiku 4.5 $0.00005 $0.00153

Measured 7d ago against content hash 67cb37b1f064, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, 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.

.claude/skills/verification-before-completion/SKILL.md · 173 lines

How it starts

The opening of the file, as written. The whole thing — 173 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Verification Before Completion

Purpose

Prevent false completion claims. A task is not done because the code looks right, an agent reported success, or a previous command passed. A task is done only when fresh evidence verifies the exact claim being made.

This is a completion gate, not an implementation workflow. It runs after the relevant work and before any statement that implies success.

Iron Law

No completion claim without fresh verification evidence.

Do not say the work is done, fixed, passing, safe, ready, merged, clean, or complete unless the current turn contains evidence from the relevant command, file check, diff review, or manual verification note.

Trigger Phrases

Use this skill before saying or implying:

  • "done", "complete", "finished"
  • "fixed", "resolved", "working"
  • "tests pass", "build passes", "lint is clean"
  • "ready", "safe", "clean", "merge-ready"
  • "implemented", "task complete", "all set"
  • "the agent completed it"
  • "I can commit", "I opened the PR", "ready to merge"

If the wording suggests success, this gate applies.

Workflow

1. Identify the Claim

Write the claim as a concrete sentence:

Claim: <specific completion or success statement>

Examples:

  • Claim: Task 2 satisfies all approved acceptance criteria.
  • Claim: The regression test proves the checkout hydration bug is fixed.
  • Claim: The skill metadata validates with zero required failures.

2. Choose the Proof

Map the claim to the smallest sufficient proof:

Claim type Required proof
Tests pass Fresh test command output and exit status
Build passes Fresh build or typecheck output and exit status
Lint clean Fresh lint output and exit status
Bug fixed Reproduction or regression test proving the original symptom no longer occurs
Regression test valid RED/GREEN evidence, or equivalent proof that the test fails without the fix
Requirements met Checklist against the approved spec/plan, with any gaps called out
Agent completed work Inspect changed files or diff, then run the plan's verification
Merge/PR ready Tests/build required by project plus review of changed-file scope
Documentation updated File exists, relevant sections changed, links or generated indexes verified
Prose quality verified Fresh style-review scorecard, or an explicit statement that style review was skipped
Manual/visual outcome Exact manual check, environment, viewport/artifact, and observed result

Read the full file on GitHub · 173 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 · 173 lines · 48 tokens per session scan A 67cb37b1f064

Subscribe to this mod's changes

verification-before-completion is a skill published in the GitHub repository tranhieutt/software_development_department (72 stars, last pushed 3mo ago), licensed MIT. It adds 48 tokens to every session and 1,530 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 2026-09-03.