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second-opinion

Review plans, specs, and design docs with an adversarial perspective.

127|8|Updated Apr 6, 2026
Search Tags:#review#spec#plan#quality-assurance#adversarial#design-doc#codex-cli
One-click install
npx skills add https://github.com/hanamizuki/solopreneur --skill second-opinion-hanamizuki
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: second-opinion
Source: https://github.com/hanamizuki/solopreneur/tree/main/plugins/solopreneur/skills/second-opinion
Command: npx skills add https://github.com/hanamizuki/solopreneur --skill second-opinion-hanamizuki

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Get an independent adversarial review of plans, specs, and design docs to surface gaps and raise critical questions.

Core Features & Use Cases

  • Primary method: Codex CLI with zero-context review for maximum independence.
  • Fallback: subagent-based review when Codex CLI isn't installed.
  • Guided workflow: identify target, gather related files, assess Codex availability.

Quick Start

Initiate an adversarial review by providing the target plan or spec and any related files to be evaluated.

Frequently Asked Questions about second-opinion

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I get an independent adversarial review of a design doc?▼

To get an independent adversarial review of a design doc, provide the target spec and related files to initiate a zero-context evaluation that surfaces gaps and raises critical questions.

Can I review a spec without Codex CLI installed?▼

You can review a spec without Codex CLI installed by using the fallback subagent-based review, which provides an outside perspective on a plan when Codex is not authenticated or unavailable.

How do I challenge a project plan to find potential gaps?▼

To challenge a project plan and find potential gaps, run an adversarial review workflow that identifies the target plan, gathers related files, and assesses tool availability for maximum independence.

What is the best way to get an outside perspective on a spec?▼

The best way to get an outside perspective on a spec is using a zero-context review method via Codex CLI, ensuring an independent evaluation of the design doc without prior bias.

Does the adversarial review work with any file format for design docs?▼

The adversarial review processes provided target plans and related files to evaluate specs, but the metadata does not specify constraints on supported file formats for the design docs.

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