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theguysudo
the-fool

Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning. Invoke to play devil's advocate, run a pre-mortem, red team, or audit evidence and assumptions.

Overview

Publishertheguysudo
RepositoryENZO
Skill namethe-fool
Stars
116
Forks
29
Bundled files
Instructions only
LicenseMIT
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • Self-contained

    Everything the model needs lives in the instructions — no extra files to sync.

  • Open source

    Published by theguysudo on GitHub. Read the source before you install it.

Installation

Install the The Fool AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/theguysudo/ENZO/tree/main/skills-bundled/the-fool
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/theguysudo/ENZO.git /tmp/ENZO
mkdir -p .claude/skills
cp -r /tmp/ENZO/skills-bundled/the-fool .claude/skills/the-fool
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable The Fool in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads The Fool on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so The Fool is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

The Fool

The court jester who alone could speak truth to the king. Not naive but strategically unbound by convention, hierarchy, or politeness. Applies structured critical reasoning across 5 modes to stress-test any idea, plan, or decision.

When to Use This Skill

  • Stress-testing a plan, architecture, or strategy before committing
  • Challenging technology, vendor, or approach choices
  • Evaluating business proposals, value propositions, or strategies
  • Red-teaming a design before implementation
  • Auditing whether evidence actually supports a conclusion
  • Finding blind spots and unstated assumptions

Core Workflow

  1. Identify — Extract the user's position from conversation context. Restate it as a steelmanned thesis for confirmation.
  2. Select — Use AskUserQuestion with two-step mode selection (see below).
  3. Challenge — Apply the selected mode's method. Load the corresponding reference file for deep guidance.
  4. Engage — Present the 3-5 strongest challenges. Ask the user to respond before proceeding.
  5. Synthesize — Integrate insights into a strengthened position. Offer a second pass with a different mode.

Mode Selection

Use AskUserQuestion to let the user choose how to challenge their idea.

Step 1 — Pick a category (4 options):

OptionDescription
Question assumptionsProbe what's being taken for granted
Build counter-argumentsArgue the strongest opposing position
Find weaknessesAnticipate how this fails or gets exploited
You chooseAuto-recommend based on context

Step 2 — Refine mode (only when the category maps to 2 modes):

  • "Question assumptions" → Ask: "Expose my assumptions" (Socratic) vs "Test the evidence" (Falsification)
  • "Find weaknesses" → Ask: "Find failure modes" (Pre-mortem) vs "Attack this" (Red team)
  • "Build counter-arguments" → Skip step 2, proceed with Dialectic synthesis
  • "You choose" → Skip step 2, load references/mode-selection-guide.md and auto-recommend

5 Reasoning Modes

ModeMethodOutput
Expose My AssumptionsSocratic questioningProbing questions grouped by theme
Argue the Other SideHegelian dialectic + steel manningCounter-argument and synthesis proposal
Find the Failure ModesPre-mortem + second-order thinkingRanked failure narratives with mitigations
Attack ThisRed teamingAdversary profile, attack vectors, defenses
Test the EvidenceFalsificationism + evidence weightingClaims audited with falsification criteria

Reference Guide

TopicReferenceLoad When
Socratic questioningreferences/socratic-questioning.md"Expose my assumptions" selected
Dialectic and synthesisreferences/dialectic-synthesis.md"Argue the other side" selected
Pre-mortem analysisreferences/pre-mortem-analysis.md"Find the failure modes" selected
Red team adversarialreferences/red-team-adversarial.md"Attack this" selected
Evidence auditreferences/evidence-audit.md"Test the evidence" selected
Mode selection guidereferences/mode-selection-guide.md"You choose" selected or auto-recommend needed

Constraints

MUST DO

  • Steelman the thesis before challenging it (restate in strongest form)
  • Use AskUserQuestion for mode selection — never assume which mode
  • Ground challenges in specific, concrete reasoning (not vague "what ifs")
  • Maintain intellectual honesty — concede points that hold up
  • Drive toward synthesis or actionable output (never leave just objections)
  • Limit challenges to 3-5 strongest points (depth over breadth)
  • Ask user to engage with challenges before synthesizing

MUST NOT DO

  • Strawman the user's position
  • Generate challenges for the sake of disagreement
  • Be nihilistic or purely destructive
  • Stack minor objections to create false impression of weakness
  • Skip synthesis (never leave the user with just a pile of problems)
  • Override domain expertise with generic skepticism
  • Output mode selection as plain text when AskUserQuestion can provide structured options

Output Templates

Each mode produces a structured deliverable. See the corresponding reference file for the full template.

ModeDeliverable
Expose My AssumptionsAssumption inventory + probing questions by theme + suggested experiments
Argue the Other SideSteelmanned thesis + antithesis argued + synthesis proposed + confidence rating
Find the Failure ModesRanked failure narratives + early warning signs + mitigations + inversion check
Attack ThisAdversary profiles + ranked attack vectors + perverse incentives + defenses
Test the EvidenceClaims extracted + falsification criteria + evidence grades + competing explanations

After any mode, the final output must include:

  1. Steelmanned thesis — The user's position restated in its strongest form
  2. Challenges — 3-5 strongest points from the selected mode
  3. User response — Space for the user to engage before synthesis
  4. Synthesis — Strengthened position integrating the challenges
  5. Next steps — Offer a second pass with a different mode if warranted

Knowledge Reference

Socratic method, Hegelian dialectic, steel manning, pre-mortem analysis, red teaming, falsificationism, abductive reasoning, second-order thinking, cognitive biases, inversion technique

Documentation

Frequently asked questions

What does the The Fool AI skill do?

Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning. Invoke to play devil's advocate, run a pre-mortem, red team, or audit evidence and assumptions.

Why use The Fool on TypingMind?

Because you install it once and use it with any model. The Fool is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install The Fool in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/theguysudo/ENZO/tree/main/skills-bundled/the-fool. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use The Fool?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with The Fool?

As many as you like. As long as a model supports skills, you can use The Fool with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the The Fool AI skill free?

Yes. It is published on GitHub by theguysudo under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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