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Agent Skill

Eol Checklist skill

eol-checklistdeanpeters/Product-Manager-Skillsskills/eol-checklist/SKILL.md

Build a phase-gated EOL checklist sized to the sunset, with a named owner on every item. Use when the decision to retire is made and you need the operational plan.

7.6k

always on

41 tokname + description

once used

2,747 tokSKILL.md body

bundled files

319 KB

repo stars

7.6kGitHub

Install the Eol Checklist skill

Skills CLI (Claude Code, Codex, Cursor and others)

npx skills add https://github.com/deanpeters/Product-Manager-Skills --skill eol-checklist

Claude Code, by hand (all projects)

git clone --depth 1 https://github.com/deanpeters/Product-Manager-Skills.git /tmp/Product-Manager-Skills
mkdir -p ~/.claude/skills
cp -R /tmp/Product-Manager-Skills/skills/eol-checklist ~/.claude/skills/eol-checklist

For one project only, copy the folder into .claude/skills/ in that project instead. The agent picks it up when a task matches its description.

What it costs your context

Agent Skills load in three steps. Tokens counted with the o200k tokenizer; your model's count will differ a little.

WhenWhat loadsCost
Every sessionName and description41 tok
When the agent uses itThe SKILL.md instructions2,747 tok
Only if opened3 bundled files (19 KB)varies

Until it is used, eol-checklist costs about 33× less than the median MCP server we measured (1,362 tokens on every turn). Installing all 77 skills from deanpeters/Product-Manager-Skills would load 2,883 tokens of descriptions. Skills vs MCP study

Checks

Our checks found nothing to flag: it follows the Agent Skills specification's naming and size guidelines and doesn't pipe downloads into a shell.

Checked 2026-10-22 · method

What's inside

The headings of its SKILL.md. Read the full file on GitHub.

  • EOL Checklist
  • Purpose
  • Input
  • Key Concepts
  • Right-Size Before You Build
  • The Lifecycle Gates
  • The Fifteen Functional Areas
  • The Sticky-Note Rule
  • Phase Gates Are Commitments, Not Dates
  • Anti-Patterns (what this is NOT)
  • Application
  • Step 1: Set the level
  • Step 2: Select phases in scope
  • Step 3: Build items per phase, per area
  • Step 4: Write gate criteria (Level 2+)
  • Step 5: Post-EOL actions and assumptions
  • Final Step: Offer what comes next
  • Examples
  • Common Pitfalls
  • Pitfall 1: Ceremony Inflation
  • Pitfall 2: Unowned Items
  • Pitfall 3: The Invented Date
  • Pitfall 4: Phase Collapse
  • Pitfall 5: Forgetting the Downstream Readers

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