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danielmiessler/lifeos134 installs

Science

The scientific method as a universal problem-solving algorithm — goal-first, plural falsifiable hypotheses, designed experiments, and honest measurement, scaling from TDD to feature validation to MVP launch. USE WHEN think about, figure out, experiment, iterate, optimize, hypothesis, science, full cycle, quick diagnosis, structured investigation, how do we test, analyze results. NOT FOR multi-angle lens passes (use IterativeDepth).

How do I install this agent skill?

npx skills add https://github.com/danielmiessler/lifeos --skill science
view source ↗

Is this agent skill safe to install?

  • Gen Agent Trust Hubpass

    The Science skill provides a structured framework for applying the scientific method to problem-solving. It utilizes local shell commands for notifications, execution logging, and inter-skill tool invocation within a controlled local environment. No malicious patterns or security risks were identified.

  • Socketpass

    No alerts

  • Snykfail

    Risk: CRITICAL · 1 issue

What does this agent skill do?

Customization

Before executing, check for user customizations at: ~/.claude/LIFEOS/USER/CUSTOMIZATIONS/SKILLS/Science/

If this directory exists, load and apply any PREFERENCES.md, configurations, or resources found there. These override default behavior. If the directory does not exist, proceed with skill defaults.

🚨 MANDATORY: Voice Notification (REQUIRED BEFORE ANY ACTION)

You MUST send this notification BEFORE doing anything else when this skill is invoked.

  1. Send voice notification:

    curl -s -X POST http://localhost:31337/notify \
      -H "Content-Type: application/json" \
      -d '{"message": "Running the WORKFLOWNAME workflow in the Science skill to ACTION"}' \
      > /dev/null 2>&1 &
    
  2. Output text notification:

    Running the **WorkflowName** workflow in the **Science** skill to ACTION...
    

This is not optional. Execute this curl command immediately upon skill invocation.

Science - The Universal Algorithm

What It Does

Applies the scientific method as a general problem-solving algorithm: define the goal first, generate multiple hypotheses, design experiments that can fail, measure honestly, analyze against the goal, iterate. Seven core workflows plus two diagnostic shortcuts (quick 15-minute debugging and structured multi-factor investigation). It scales from micro (TDD) to meso (feature validation) to macro (MVP launch).

The Problem

Most problem-solving is guessing dressed up as work. You pick the first idea that comes to mind, change something, and call it done when it "seems better" — which is confirmation bias, not progress. Without a clear definition of success you can't tell whether a change helped, so you keep tweaking forever or stop too early. Single-hypothesis thinking means you only ever test the idea you already believed. This skill forces the discipline that fixes all of that: a stated goal, at least three competing hypotheses, falsifiable tests, and measurement that compares to the goal rather than to your hopes.

How It Works

The whole thing is one repeating cycle, and the goal anchors it — without clear success criteria you cannot judge results:

GOAL -----> What does success look like?
   |
OBSERVE --> What is the current state?
   |
HYPOTHESIZE -> What might work? (Generate MULTIPLE)
   |
EXPERIMENT -> Design and run the test
   |
MEASURE --> What happened? (Data collection)
   |
ANALYZE --> How does it compare to the goal?
   |
ITERATE --> Adjust hypothesis and repeat
   |
   +------> Back to HYPOTHESIZE

The answer emerges from the cycle, not from guessing.


Workflow Routing

Output when executing: Running the **WorkflowName** workflow in the **Science** skill to ACTION...

Core Workflows

WorkflowTriggerFile
DefineGoal"define the goal", "what are we trying to achieve"Workflows/DefineGoal.md
GenerateHypotheses"what might work", "ideas", "hypotheses"Workflows/GenerateHypotheses.md
DesignExperiment"how do we test", "experiment design"Workflows/DesignExperiment.md
MeasureResults"what happened", "measure", "results"Workflows/MeasureResults.md
AnalyzeResults"analyze", "compare to goal"Workflows/AnalyzeResults.md
Iterate"iterate", "try again", "next cycle"Workflows/Iterate.md
FullCycleFull structured cycleWorkflows/FullCycle.md

Diagnostic Workflows

WorkflowTriggerFile
QuickDiagnosisQuick debugging (15-min rule)Workflows/QuickDiagnosis.md
StructuredInvestigationComplex investigationWorkflows/StructuredInvestigation.md

Resource Index

ResourceDescription
Methodology.mdDeep dive into each phase
Protocol.mdHow skills implement Science
Templates.mdGoal, Hypothesis, Experiment, Results templates
Examples.mdWorked examples across scales

Domain Applications

DomainManifestationRelated Skill
CodingTDD (Red-Green-Refactor)Development
ProductsMVP -> Measure -> IterateDevelopment
ResearchQuestion -> Study -> AnalyzeResearch
PromptsPrompt -> Eval -> IterateEvals
DecisionsOptions -> Council -> ChooseCouncil

Scale of Application

LevelCycle TimeExample
MicroMinutesTDD: test, code, refactor
MesoHours-DaysFeature: spec, implement, validate
MacroWeeks-MonthsProduct: MVP, launch, measure PMF

Integration Points

PhaseSkills to Invoke
GoalCouncil for validation
ObserveResearch for context
HypothesizeCouncil for ideas, RedTeam for stress-test
ExperimentDevelopment (Worktrees) for parallel tests
MeasureEvals for structured measurement
AnalyzeCouncil for multi-perspective analysis

Anti-Patterns

BadGood
"Make it better""Reduce load time from 3s to 1s"
"I think X will work""Here are 3 approaches: X, Y, Z"
"Prove I'm right""Design test that could disprove"
"Pretend failure didn't happen""What did we learn?"
"Keep experimenting forever""Ship and learn from production"

Gotchas

  • Minimum 3 hypotheses before testing. Single-hypothesis testing is confirmation bias — going straight to a single test is trial-and-error, not science.
  • Measurements must be specific and reproducible. "It seems better" is not a measurement.
  • Full cycle is for systematic investigation. For quick debugging, use quick diagnosis mode.

Examples

Example 1: Quick diagnosis

User: "figure out why Surface time filters show stale items"
→ Quick diagnosis mode
→ Hypothesis: timestamp format mismatch in D1
→ Test: query D1 for actual stored format
→ Analyze: compare stored vs expected format
→ Result: ISO string vs Unix timestamp mismatch

Example 2: Full systematic investigation

User: "experiment with different prompt structures for better output"
→ Full cycle mode
→ 3+ hypotheses generated
→ Controlled experiments with measurements
→ Analysis identifies winning approach
→ Iterates until convergence

Execution Log

After completing any workflow, append a single JSONL entry:

echo '{"ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","skill":"Science","workflow":"WORKFLOW_USED","input":"8_WORD_SUMMARY","status":"ok|error","duration_s":SECONDS}' >> ~/.claude/LIFEOS/MEMORY/SKILLS/execution.jsonl

Replace WORKFLOW_USED with the workflow executed, 8_WORD_SUMMARY with a brief input description, and SECONDS with approximate wall-clock time. Log status: "error" if the workflow failed.

Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.

<a href="https://skillzs.dev/skills/danielmiessler/lifeos/science">View Science on skillZs</a>