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Misc48k · #4226

speckit-updater

Has your agent update a set of specifications safely. Ensures updates are made without breaking the system.

What it does

This assistant helps to safely update SpecKit, a set of tools for GitHub. It ensures your customizations are preserved while applying updates.

When to use it

  • ✓When you need to update SpecKit and keep your modifications.
  • ✓To install SpecKit for the first time in a project.
  • ✓To ensure SpecKit updates are done with your approval.

Example of what to ask your AI

“Would you like to update SpecKit in my project?”

Want more? Open the sections below.

How to use

The easiest way: copy the message below and paste it into Claude, ChatGPT, Cursor or any AI. It reads the skill and follows the instructions.

Skill link

https://github.com/sickn33/agentic-awesome-skills/blob/main/plugins/agentic-awesome-skills-claude/skills/speckit-updater/SKILL.md

Ready-to-paste message

Use this skill to help me: https://github.com/sickn33/agentic-awesome-skills/blob/main/plugins/agentic-awesome-skills-claude/skills/speckit-updater/SKILL.md Read the SKILL.md file at that link and follow its instructions for my task.
How it works

It runs a script that checks for updates, shows what will be changed, and asks for your permission before applying changes or installing SpecKit.

Installation

Easiest way: copy the skill link and paste it into Claude, ChatGPT or Cursor asking it to follow the instructions.

In the terminal (Claude Code, Codex, Cursor), in your project folder:

npx skills add sickn33/agentic-awesome-skills --skill speckit-updater

Or download just the file:

curl -L https://raw.githubusercontent.com/sickn33/agentic-awesome-skills/main/plugins/agentic-awesome-skills-claude/skills/speckit-updater/SKILL.md -o SKILL.md
Technical content (original SKILL.md)

Original text by the author, straight from GitHub.

Supporting material availability

This catalog copy contains the inline guidance below, but does not include the following supporting paths. They are external prerequisites, not bundled files:

Ask for the original supporting material or an existing installation before using a step that depends on these paths; this catalog does not identify a verified download source for them. Resolve each path relative to that installation, inspect its contents, and verify any applicable license and execution prerequisites. Do not run a command or claim a referenced procedure was followed until its required file exists. Do not fabricate the missing scripts or treat an unrelated file with the same name as equivalent. Independent steps fully documented here can proceed within the user’s authorized scope; report any dependent step as unavailable.

SpecKit Safe Update

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

Installation: Before adding any marketplace or manual clone, inspect the exact plugin revision and every bundled file, report scripts and network or filesystem behavior, and ask for explicit user approval. Do not install a moving branch directly into an active agent directory.

When to Use

  • You need to update or install SpecKit templates while preserving project customizations.
  • You want a safe approval flow around update, rollback, or version-specific SpecKit operations.
  • The task is to operate the SpecKit updater conversationally instead of running raw commands blindly.

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 -File "<skill_path>/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
  5. Execute approved action by re-running with -Proceed flag:

    pwsh -NoProfile -File "<skill_path>/scripts/update-wrapper.ps1" -Proceed
    

Special cases:

  • If user requests -CheckOnly: run with that flag and show the report
  • If user requests -Rollback: run with that flag and confirm restoration
  • If user requests specific -Version: include that parameter

Commands

/speckit-updater

Updates SpecKit templates, commands, and scripts while preserving customizations.

Usage:

  • /speckit-updater - Interactive update/install with conversational approval workflow (recommended for Claude Code)
  • /speckit-updater -Proceed - Proceed with update/install after approval (used by Claude after user confirms)
  • /speckit-updater -CheckOnly - Check for updates without applying
  • /speckit-updater -Version v0.0.72 - Update to specific version
  • /speckit-updater -Force - Force overwrite SpecKit files (preserves custom commands)
  • /speckit-updater -Rollback - Restore from previous backup
  • /speckit-updater -Auto - DEPRECATED: Use conversational workflow instead (shows warning, maps to -Proceed)

Fresh Installation (No .specify/ directory):

  • First invocation shows installation offer with [PROMPT_FOR_INSTALL] marker

…

FAQ

What happens if I've already made modifications?

The assistant detects your modifications and tries to preserve them during the update, showing which files were kept.

Can I choose a specific SpecKit version?

Yes, you can ask to update to a specific version if needed.

What is a backup?

Before updating, the assistant creates a backup copy of existing files. If something goes wrong, it's possible to restore the previous version.

Details

Original description by the author

SpecKit Safe Update

repo: sickn33/agentic-awesome-skills

Popularity

GitHub stars
48k
Ranking position
#4226
License
MIT
Updated
10/15/2026

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