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Hardening

An AI agent skill from danielmiessler/LifeOS, scored 60 out of 100 by code.

60/ 100C

Code score by group

  • Spec16/20
  • Description10/20
  • Procedure3/15
  • Done criteria4/15
  • Resources10/10
  • Scripts5/8
  • Safety7/7
  • Upkeep5/5

It loses the most points in Procedure (12), the group that checks whether the steps are numbered, read the context first and say what to do when something fails.

What the author says it does

Hardens LifeOS tests via property-based testing with fast-check. USE WHEN harden, hardening, property test, property based testing, PBT, fast-check, strengthen tests, find bugs example tests miss, universal quantified claim, shrink counterexample, what bugs am I missing, test the tests. NOT FOR new feature tests (bun test directly), grading agent output (Assay), UI verification (Interceptor), finding security vulnerabilities, or building new functionality.

This is the description in the skill's own SKILL.md, written by its author, not by SkillCheatSheet.

Repository
danielmiessler/LifeOS
Folder
LifeOS/install/skills/Hardening
License
MIT
GitHub stars
19,841
SKILL.md lines
48
Other files
1

Add Hardening to your agent

npx skills add danielmiessler/LifeOS --skill Hardening

The command uses the open skills CLI. A skill is instructions and scripts your agent will follow, so read it first: open the folder on GitHub at the commit that was scored.

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All skills in danielmiessler/LifeOS

Scores come from a snapshot of 300 public GitHub repositories taken on 12 November 2026. Every score is the result of fixed checks run by code; no AI is involved. How scoring works.