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How to install a skill

The ZIP you download contains one folder named after the skill (regex-test-cases/) with SKILL.md inside. Put that whole folder into your agent's skills folder and you are done.

Claude app (claude.ai and desktop)

Same on Windows and Mac. Upload the ZIP as it is (no need to unzip).

  1. In Settings → Capabilities, turn on “Code execution and file creation”.
  2. Open Customize → Skills, then choose “+” → “Create skill” → “Upload a skill”.
  3. Select the downloaded regex-test-cases-1.0.0.zip. When it appears in the list, switch it on.

Menu names may differ slightly depending on the app version and display language.

Claude (terminal, VS Code / JetBrains extensions)

To use it in every project, put it in .claude/skills in your home folder.

Folder (Windows)%USERPROFILE%\.claude\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.claude/skills/regex-test-cases/SKILL.md
One project only<project>/.claude/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:USERPROFILE\.claude\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:USERPROFILE\.claude\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %USERPROFILE%\.claude\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.claude/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.claude/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.claude/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: Start a new session and type “/”: the skill name appears in the list. Claude also uses it automatically when your request matches.

Hermes Agent

The Windows desktop app keeps its data in %LOCALAPPDATA%\hermes. If you installed it with the install script or in WSL, use ~/.hermes/skills as on a Mac.

Folder (Windows)%LOCALAPPDATA%\hermes\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.hermes/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:LOCALAPPDATA\hermes\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:LOCALAPPDATA\hermes\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %LOCALAPPDATA%\hermes\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.hermes/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.hermes/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.hermes/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: It is loaded when you start a new session. Check with hermes skills list in a terminal, or type /skills in the chat.

Codex

Put it in .agents/skills in your home folder to use it in every repository.

Folder (Windows)%USERPROFILE%\.agents\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.agents/skills/regex-test-cases/SKILL.md
One project only<repository>/.agents/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:USERPROFILE\.agents\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:USERPROFILE\.agents\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %USERPROFILE%\.agents\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.agents/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.agents/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.agents/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: Restart Codex and it is loaded; Codex uses it when your request matches. If it does not show up, quit Codex and start it again.

Gemini

For the Gemini terminal agent, place the folder in .gemini/skills in your home directory. This is not a ZIP-upload workflow for the browser app.

Folder (Windows)%USERPROFILE%\.gemini\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.gemini/skills/regex-test-cases/SKILL.md
One project only<project>/.gemini/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:USERPROFILE\.gemini\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:USERPROFILE\.gemini\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %USERPROFILE%\.gemini\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.gemini/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.gemini/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.gemini/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: In a Gemini session, run /skills reload, then /skills list to check discovery. You may be asked to approve access when the skill is activated.

Official Gemini skills guide

Antigravity

Use .gemini/config/skills globally or .agents/skills for one project. Its global folder is different from the Gemini terminal agent's folder.

Folder (Windows)%USERPROFILE%\.gemini\config\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.gemini/config/skills/regex-test-cases/SKILL.md
One project only<project>/.agents/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:USERPROFILE\.gemini\config\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:USERPROFILE\.gemini\config\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %USERPROFILE%\.gemini\config\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.gemini/config/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.gemini/config/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.gemini/config/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: Changes apply on the next message without restarting the app. Check recognized skills in Customizations. In the terminal version, refresh the list with /skills reload.

Official Antigravity skills guide

Cursor

Put it in .cursor/skills in your home folder to use it in every project on this computer (.agents/skills is read as well).

Folder (Windows)%USERPROFILE%\.cursor\skills\regex-test-cases\SKILL.md
Folder (Mac)~/.cursor/skills/regex-test-cases/SKILL.md
One project only<project>/.cursor/skills/regex-test-cases/SKILL.md

Windows: install with PowerShell

Open “PowerShell” from the Start menu, paste these two lines and press Enter.

New-Item -ItemType Directory -Force "$env:USERPROFILE\.cursor\skills" | Out-Null
Expand-Archive -Force "$env:USERPROFILE\Downloads\regex-test-cases-1.0.0.zip" "$env:USERPROFILE\.cursor\skills"

Windows: install with File Explorer

  1. Right-click the downloaded ZIP and choose “Extract All”.
  2. Type %USERPROFILE%\.cursor\skills into File Explorer's address bar and press Enter (create the folder if it does not exist).
  3. Move the extracted regex-test-cases folder there.

Mac: install with Terminal

Open Terminal, paste these two lines and press return.

mkdir -p ~/.cursor/skills
unzip -o ~/Downloads/regex-test-cases-1.0.0.zip -d ~/.cursor/skills/

Mac: install with Finder

  1. Double-click the downloaded ZIP to unzip it.
  2. In Finder press command + shift + G, type ~/.cursor/skills and go there (create the folder if it does not exist; press command + shift + . to show folders whose names start with “.”).
  3. Move the extracted regex-test-cases folder there.

Check: Restart Cursor and type “/” in the Agent chat: the skill name appears.

Other agents

For other agents that support the SKILL.md format, put the folder into that agent's skills folder in the same way. If an agent does not support it, have it read SKILL.md as a set of instructions. Many agents also read ~/.agents/skills.

Troubleshooting

  • Make sure the folder is not nested twice (skills/regex-test-cases/regex-test-cases/SKILL.md — move it up one level).
  • Restart the agent or start a new session.
  • If the skill has bundled scripts, install the runtimes listed on its page (Node.js, Python) first.
  • If that does not help, use “Contact the seller” on the skill's page or our contact form.

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