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Agent skill

Config Change

by wcygan in wcygan/dotfiles

Route dotfiles configuration changes to the right project-local skill.

No licenceAuto-check passedAgent Workflows

Install Config Change

skills CLI
$ npx skills add wcygan/dotfiles --skill config-change -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install wcygan/dotfiles config-change --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/wcygan/dotfiles.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/config-change .claude/skills/config-change && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
config-change
GitHub stars
194
Token cost
~725 tokens
SKILL.md length
329 words
Files
1
Skills in repo
19
Repo updated
First seen
Licence
None found

At a glance

Route dotfiles configuration changes to the right project-local skill.

  • Works in 6 steps: Read the user's requested config change… → Identify the affected config area from… → Open the matching… → …
  • Cross-platform config edits in this repository
  • SKILL.md covers Goal, Route Map, Workflow and Examples, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Config Change is an agent skill from wcygan/dotfiles. Route dotfiles configuration changes to the right project-local skill. Use for fish, Ghostty, lazygit, Neovim, Starship, Zed, Zellij, or cross-platform config edits in this repository.

Its SKILL.md is about 730 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows. It works with Git. The repository describes itself as: Configuration for Development Environments.

When your agent uses it

  • Cross-platform config edits in this repository

Example prompts

  • “/config-change”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Read the user's requested config change from the prompt.
  2. Identify the affected config area from the route map.
  3. Open the matching .agents/skills//SKILL.md before editing.
  4. Use multiple specialized skills when the change spans multiple config areas.
  5. Include cross-platform-guardian when paths, shell startup, installed tools, file linking, or platform conditionals are involved.
  6. Ask one concise clarifying question only when the owning tool cannot be inferred.

What it can do on your machine

Read from SKILL.md and the folder at commit b385ffa. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Config Change loads about 725 tokens when it runs. Until then it costs about 50 tokens; SKILL.md has 329 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~50
When it runs · the whole SKILL.md, loaded when a task matches
~725

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 329 words (~725 tokens).

“Modify configuration files in this dotfiles repository through the specialized project skill that owns the relevant config area.”

— opening of SKILL.md by wcygan
name
config-change

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/config-change of wcygan/dotfiles.

Open the folder on GitHubat commit b385ffa

Compare with similar skills

Config Change next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Config Change compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Config Change this skillwcygan/dotfiles194—~725Automated safety check: PassNone
Darwin Skill Optimizeralchaincyf/darwin-skill6.2k1 repos~4.7kAutomated safety check: PassMIT
CodeGraph Agent Evalcolbymchenry/codegraph74k—~950Automated safety check: PassMIT
Neat-Freak Knowledge CloseoutKKKKhazix/khazix-skills21k—~1.9kAutomated safety check: PassMIT
O2 Review Loopopenobserve/openobserve22k—~3.7kAutomated safety check: PassAGPL-3.0
Beads Task Memorygastownhall/beads28k—~1.2kAutomated safety check: PassMIT

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More from wcygan/dotfiles

All 19 skills in this repo

  • Fish Shell Config

    wcygan/dotfiles

    Expert Fish shell configuration including config files, functions, abbreviations, prompts, environment variables, and scripting.

    194 GitHub stars~2.9k tokensUpdated yesterday
    Auto-check passed

  • Lazygit Config

    wcygan/dotfiles

    Configure lazygit TUI including config.yml setup, custom pagers (especially delta integration), themes, keybindings, and custom commands.

    194 GitHub stars~3.6k tokensUpdated yesterday
    Auto-check passed

  • Nix Manager

    wcygan/dotfiles

    Manage Nix package, profile, flake, and diagnostic work in this dotfiles repository.

    194 GitHub stars~1k tokensUpdated yesterday
    Auto-check passed

  • Nvim Config

    wcygan/dotfiles

    Configure Neovim editor with init.lua, plugin management, LSP setup, keymaps, and options.

    194 GitHub stars~4.4k tokensUpdated yesterday
    Auto-check passed

  • Starship Config

    wcygan/dotfiles

    Configure and optimize Starship cross-shell prompt with presets, custom modules, and performance tuning.

    194 GitHub stars~1.5k tokensUpdated yesterday
    Auto-check passed

  • Dotfiles Operations

    wcygan/dotfiles

    Operate, maintain, upgrade, troubleshoot, and review this dotfiles repository.

    194 GitHub stars~1.4k tokensUpdated yesterday
    Auto-check passed

Works with

Categories

Questions about Config Change

What does Config Change do?

Route dotfiles configuration changes to the right project-local skill. Config Change is an agent skill from wcygan/dotfiles. Route dotfiles configuration changes to the right project-local skill.

When should I use Config Change?

Config Change fits situations like: cross-platform config edits in this repository.

How do I install Config Change in Claude Code?

Run `npx skills add wcygan/dotfiles --skill config-change -a claude-code`. Or copy the skill folder (.agents/skills/config-change in wcygan/dotfiles) into .claude/skills/config-change in your project. Claude Code loads it when a task matches its description.

How do I install Config Change in Codex?

Run `npx skills add wcygan/dotfiles --skill config-change -a codex`. Or copy the skill folder (.agents/skills/config-change in wcygan/dotfiles) into .agents/skills/config-change in your project. Codex loads it when a task matches its description.

Can I use Config Change in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add wcygan/dotfiles --skill config-change -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/config-change, .gemini/skills/config-change, .github/skills/config-change and .opencode/skills/config-change in your project.

What does Config Change need to run?

SKILL.md names no scripts, command-line tools or credentials: Config Change is instructions for the agent only.

Does Config Change access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Config Change safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Config Change use?

No licence was found for Config Change or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Config Change use?

About 725 tokens (SKILL.md is roughly 2.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Config Change?

Skills that share tags, products or a category with Config Change: Darwin Skill Optimizer (alchaincyf/darwin-skill, 6.2k stars), CodeGraph Agent Eval (colbymchenry/codegraph, 74k stars), Neat-Freak Knowledge Closeout (KKKKhazix/khazix-skills, 21k stars) and O2 Review Loop (openobserve/openobserve, 22k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Config Change?

wcygan (a GitHub user) maintains it in wcygan/dotfiles, which has 194 GitHub stars. The repository holds 19 skills in this directory. The repository was last updated on October 8, 2026.

Source: wcygan/dotfiles on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.