CtrlK
BlogDocsLog inGet started
Tessl Logo

the-fool

Use when challenging ideas, plans, decisions, or proposals. Invoke to play devil's advocate, run a pre-mortem, red team, stress test assumptions, audit evidence quality, or find blind spots before committing. Do NOT use for building plans, making decisions, or generating solutions — this skill only challenges and critiques. For a multi-agent panel that challenges and then commits to a verdict, use the-jury.

77

Quality

96%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Passed

No findings from the security scan

SKILL.md
Quality
Evals
Security

Quality

Content

92%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The content is a well-engineered instruction skill: a clearly sequenced 5-step workflow with explicit checkpoints, concrete mode-selection mechanics, and one-level-deep references that all resolve to real files. Its only weakness is a slightly gratuitous framework name-drop list that lightly pads the opening.

Suggestions

Trim or remove the 'You have deep expertise in Socratic method, Hegelian dialectic...' sentence — it name-drops frameworks the skill elsewhere says to apply without lecturing about, adding tokens that don't earn their place.

Consider collapsing the MUST DO / MUST NOT DO list, which restates rules already embedded in the workflow steps, to reduce redundancy.

DimensionReasoningScore

Conciseness

The body is mostly lean and explicitly assumes Claude's intelligence ('never lecture about them'), but the opening 'deep expertise' sentence name-dropping nine frameworks (Socratic, Hegelian, Popper, Kozyrkov, Annie Duke, etc.) is minor over-explanation that could be trimmed. This sits between efficient (4) and lean (5); the framework list keeps it off the top anchor.

4 / 5

Actionability

Provides a concrete two-step AskUserQuestion mode-selection procedure, a per-mode reference table, mode-specific output templates, and a fully worked microservices example showing exact step outputs. As an instruction/critique skill the guidance is concrete and executable throughout.

5 / 5

Workflow Clarity

A clearly sequenced 5-step workflow with explicit validation checkpoints ('Confirm with the user', 'ask user to respond to each challenge before you proceed to synthesis', 'Do not synthesize prematurely') and a confidence-assessment feedback loop, matching the anchor for clear sequence with explicit validation steps and feedback loops.

5 / 5

Progressive Disclosure

SKILL.md acts as an overview with each mode pointing to a real one-level-deep reference file (all six referenced files plus mode-selection-guide.md verified present in references/), clearly signaled in tables, giving clear navigation with no nested references.

5 / 5

Total

19

/

20

Passed

Description

100%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is exemplary: it states concrete capabilities, gives rich natural trigger terms, answers both what and when explicitly, and draws clear boundaries with a negative-scope clause and a sibling-skill redirect. It hits the top anchor on every dimension.

DimensionReasoningScore

Specificity

Enumerates multiple concrete critical actions — 'play devil's advocate, run a pre-mortem, red team, stress test assumptions, audit evidence quality... find blind spots' — giving comprehensive coverage of the challenge domain, matching the anchor for multiple specific concrete actions.

5 / 5

Completeness

Explicitly answers both 'what' ('only challenges and critiques' via the enumerated actions) and 'when' ('Use when challenging ideas, plans, decisions, or proposals') with concrete trigger phrases.

5 / 5

Trigger Term Quality

Packs in natural phrasings users actually say — 'challenging ideas, plans, decisions', 'devil's advocate', 'pre-mortem', 'red team', 'stress test', 'find blind spots' — with synonym coverage, matching comprehensive natural-term coverage.

5 / 5

Distinctiveness Conflict Risk

An explicit negative boundary ('Do NOT use for building plans, making decisions, or generating solutions') plus a redirect to a sibling skill ('use the-jury') carve a clear niche with minimal conflict risk.

5 / 5

Total

20

/

20

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
tech-leads-club/agent-skills
Reviewed

Table of Contents

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.