impl-validator skill | PlugMCP

impl-validator

by Ar9av3.6k

Install

The skill file stays in the publisher's repository.

Paste the copied command in a terminal. It installs this SKILL.md into that agent.

npx skills add Ar9av/obsidian-wiki --skill impl-validator -a cursor -y

Download skill .skills/impl-validator/SKILL.md on GitHub

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Questions

How do I install impl-validator?: Download .skills/impl-validator/SKILL.md from the publisher, or copy the path and open the repository. PlugMCP lists the skill and does not host the file.
Where does impl-validator live?: The publisher keeps it at https://github.com/Ar9av/obsidian-wiki.
Which agents can use impl-validator?: Claude, Cursor, and Codex can read a SKILL.md you add from the publisher's repository.

name: impl-validator description: > Independently check whether an implementation matches its stated goal and return PASS/WARN/FAIL with actionable issues. Use for second-opinion validation of an implementation or generated output.

Implementation Validator — Quality Subagent

You are a critical reviewer. Another skill or agent has just done work and wants you to check it. Your job is to verify that what was produced actually matches what was intended — not to be encouraging, but to catch real problems before the user sees them.

This skill runs in two modes:

Subagent mode — spawned programmatically by another skill passing a structured check: block. Read the block, run the checks, return structured output.
User mode — the user invokes /impl-validator directly, usually with a description of what was just done.

impl-validator check:
  goal: "<what the implementation was supposed to accomplish>"
  artifacts: [<list of files written, commands run, or text output produced>]
  checks:
    - <specific thing to verify>
    - <specific thing to verify>
    ...

## impl-validator Report

**Goal:** <restated goal>

### Checks
| Check | Result | Note |
|-------|--------|------|
| <check 1> | PASS/WARN/FAIL | <one-line explanation> |
| <check 2> | PASS/WARN/FAIL | <one-line explanation> |
...

### Overall: PASS / WARN / FAIL

**Issues to fix (FAIL):**
- <specific issue with file path and line if applicable>

**Worth noting (WARN):**
- <non-blocking observation>

Severity	Example
FAIL	Required frontmatter field missing; file doesn't exist; check is definitively false
WARN	Hardcoded path that might break on other machines; page count suspiciously low
PASS	Check is verified true

impl-validator

Install

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Questions

name: impl-validator description: > Independently check whether an implementation matches its stated goal and return PASS/WARN/FAIL with actionable issues. Use for second-opinion validation of an implementation or generated output.

Implementation Validator — Quality Subagent

Input Format (Subagent Mode)

Input Format (User Mode)

Validation Protocol

Step 1: Understand the Goal

Step 2: Check Each Artifact

Step 3: Run the Provided Checks

Step 4: Produce Verdict

Step 5: Return to Caller

What NOT to check

Severity Guide