NotMyself__claude-win11-speckit-update-skill

NotMyself__claude-win11-speckit-update-skill is a skill for Claude Code from Bilal140202/the-lord-of-the-skills. It costs 0 tokens per session (1,919 once invoked), scanned A, a copy of speckit-updater, MIT.

A safe updater for GitHub SpecKit installations, a toolkit that helps structure software projects with written specifications.

In plain words
What is it for?
Use it to update an existing SpecKit installation or handle a fresh installation when the project has no SpecKit directory.
Why use it?
It checks what would change during an update, asks for approval, and preserves customized files while applying template changes.

Skill for Claude Code

Written for Claude Code: Claude Code plugin machinery. Also seen: mentions Claude Code.

Good fit Use it to update an existing SpecKit installation or handle a fresh installation when the project has no SpecKit directory.

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Install with agentmods
npx agentmods add skills/bilal140202/the-lord-of-the-skills/notmyself__claude-win11-speckit-update-skill
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Bilal140202/the-lord-of-the-skills --skill notmyself__claude-win11-speckit-update-skill
Clone the repo
git clone --depth 1 https://github.com/Bilal140202/the-lord-of-the-skills

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for NotMyself__claude-win11-speckit-update-skill

README.md
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Your own site
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Your own site · 80×15
<a href="https://agentmods.dev/skills/bilal140202/the-lord-of-the-skills/notmyself__claude-win11-speckit-update-skill"><img src="https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/notmyself__claude-win11-speckit-update-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,919 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 100% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00000 $0.01919
Opus 5 $0.00000 $0.00959
Sonnet 5 $0.00000 $0.00384
Haiku 4.5 $0.00000 $0.00192

Measured 8d ago against content hash 1e17755dfd56, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

NotMyself__claude-win11-speckit-update-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

100% identical to speckit-updater — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/gondor/claude-code/NotMyself__claude-win11-speckit-update-skill/SKILL.md · 161 lines

How it starts

The opening of the file, as written. The whole thing — 161 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SpecKit Safe Update

This skill provides safe update capabilities for GitHub SpecKit installations, preserving customizations while applying template updates.

Installation: Available via plugin (/plugin marketplace add NotMyself/claude-plugins then /plugin install speckit-updater) or manual Git clone. See README.md for details.

What to do when this skill is invoked

When the user invokes /speckit-updater, you should:

  1. Run the update orchestrator script without any flags (conversational mode):

    pwsh -NoProfile -Command "& 'C:\Users\bobby\.claude\skills\speckit-updater\scripts\update-wrapper.ps1'"
    
  2. Parse the output for markers:

    • [PROMPT_FOR_APPROVAL] - Update scenario (existing SpecKit installation)
    • [PROMPT_FOR_INSTALL] - Fresh installation scenario (no .specify/ directory)
  3. For Updates ([PROMPT_FOR_APPROVAL] marker found):

    • Present the Markdown summary showing:
      • Current version vs. available version
      • Files to update/add/remove
      • Conflicts detected (if any)
      • Files preserved (customized)
      • Backup location
      • Custom commands
    • Ask the user for approval to proceed with the update
    • If approved, re-run with -Proceed flag
    • If declined, inform the user the update was cancelled
  4. For Fresh Installations ([PROMPT_FOR_INSTALL] marker found):

    • Present a natural installation offer to the user, such as:
      • "SpecKit is not currently installed in this project. Would you like me to install it?"
      • "I can install the latest SpecKit templates for you. This will create the .specify/ directory structure and download the templates from GitHub."
    • Do NOT mention the -Proceed flag to the user (this is an implementation detail)
    • If user approves (says "yes", "proceed", "install it", etc.), re-run with -Proceed flag
    • If user declines, inform them the installation was cancelled

Read the full file on GitHub · 161 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 8d ago First seen · 161 lines · 0 tokens per session scan A 1e17755dfd56

Subscribe to this mod's changes

NotMyself__claude-win11-speckit-update-skill is a skill published in the GitHub repository Bilal140202/the-lord-of-the-skills (4 stars, last pushed 6d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,919 tokens. A static security scan graded it A with 0 findings. It is 100% identical to speckit-updater, differing in 0 lines, and is treated as a copy.

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