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decay

Manage evidence freshness by identifying stale decisions and providing governance actions

  • Skills
  • General
  • 2

What it does and how to use it

A skill that teaches Claude Code to do general tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/neolab-context-engineering-kit__decay && curl -fsSL https://doutorai.pt/data/lib/skills__neolab-context-engineering-kit__decay.md -o .claude/skills/neolab-context-engineering-kit__decay/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
name: decay
description: "Manage evidence freshness by identifying stale decisions and providing governance actions"
---

# Evidence Freshness Management

Manages **evidence freshness** by identifying stale decisions and providing governance actions. Implements FPF B.3.4 (Evidence Decay).

**Key principle:** Evidence is perishable. Decisions built on expired evidence carry hidden risk.

---

## Quick Concepts

### What is "stale" evidence?

Every piece of evidence has a `valid_until` date. A benchmark from 6 months ago may no longer reflect current system performance. A security audit from

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