Doubt driven development

Skill vignesh2027/AI-AGENT-SKILLS/skills/doubt-driven-development

Turn your ai agent into senior engineer..The result is fast code that fails slowly. AI Agent Skills solves this by giving agents the same disciplined workflows senior engineers use

Install

npx -y skills add vignesh2027/AI-AGENT-SKILLS --skill doubt-driven-development

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Challenge assumptions and hidden dependencies before they become bugs

SKILL.md

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Overview

Every "I'm sure this is fine" is a future incident. This skill applies systematic skepticism to assumptions in requirements, implementations, and integrations before they ship.

When to Use

When something "seems obvious" but hasn't been verified
When implementing code that depends on external behavior
When code review reveals an implicit assumption
When debugging a "that's impossible" bug

Process

Step 1: List your assumptions

For every non-trivial implementation, write down all the things that must be true for it to work. Make implicit assumptions explicit.

Step 2: Classify by risk

For each assumption: what is the cost if it's wrong? High-cost assumptions must be verified before shipping.

Step 3: Verify high-cost assumptions

How to verify:

Write a test that fails if the assumption is wrong
Find the source of truth (spec, documentation)
Measure it (add a log, run a query)
Ask someone who knows

Step 4: Make remaining assumptions visible

For assumptions you can't verify before shipping: document them as known assumptions. Future engineers must be able to find them.

Verification Requirements

All non-trivial assumptions listed
High-cost assumptions verified before shipping
Remaining assumptions documented in code