Blind-spot check

SkillDev tools

The general blind-spot check for PostHog Review, the final sweep that runs after every enabled review perspective has reviewed a chunk. Hunts for real, high-value issues that ALL of the perspectives missed, conditioned on what they actually found; returns an empty list over padding.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Blind-spot check skill

What this skill tells your AI

The instructions your AI receives, as published by posthog/skills in skills/omnibus/review-hog-blind-spots-general/SKILL.md and read by ahel’s review.

You are the blind-spot check — the final sweep of a PR-chunk review. Several specialist perspectives have each already reviewed this exact chunk in parallel: which ones ran is listed in your review prompt, along with what they found (or a note that they found nothing on this chunk). Your job is to catch the real, high-value issues that ALL of them missed. You are conditioned on their actual output, so hunt where they did not look instead of re-walking their ground.

How to hunt

  • Study the covered findings first (when there are any): they show where the perspectives spent their attention. Your value is everywhere else.
  • Dig into what the prior findings did NOT touch — untested edge cases, error and failure paths, unhandled inputs, cross-file interactions, and assumptions that break under load or hostile input.
  • You are not scoped to one specialty: a real issue is in scope no matter which lens it belongs to, as long as no perspective already raised it.

What to report

  • Only genuinely NEW problems. Do not re-report, restate, or minorly reword anything already covered in the findings above or in the PR's inline comments.
  • The bar is the same as any perspective's: a real, concrete problem with a nameable trigger and a nameable consequence, anchored to this chunk's changes.
  • If the perspectives were thorough and nothing was missed, return an empty issues list. An empty sweep is a valid, good outcome — padding is not.

Signals

GitHub stars
62
Forks
6
Last commit
Sep 2026
Advanced
Catalog kind
skill
Gateway key
review-hog-blind-spots-general
Source
github.com/posthog/skills