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Skills are reusable instructions that extend what your agent can do. Think of them as templates or plugins that give Claude Code or Codex specific expertise for particular tasks.

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What are skills?

A skill is a set of instructions (in markdown) that tells the agent how to handle a specific type of task. For example, a skill could teach Claude or Codex:
  • How to write tests following your project’s conventions
  • How to generate API documentation
  • How to create components matching your design system
  • How to review code for security issues

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Creating skills

The easiest way to create a skill is to describe what you want and let Coddo generate it with AI:
  1. Open the Skills view from the sidebar
  2. Click + New Skill
  3. Describe what the skill should do in plain language
  4. Choose the scope: Project (this project only) or Global (all projects)
  5. Coddo uses an AI-powered skill creator to generate the skill content
  6. The skill is saved and immediately available for use
You can cancel the generation at any time.
Be specific in your description. Instead of “write tests”, say “write unit tests using Vitest with TypeScript, using describe/it blocks, with setup and teardown”.

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Skill scopes

ScopeLocationDescription
Project.agents/skills/ (Coddo) and .claude/skills/ (symlinked)Available only in the current project
Global~/.claude/skills/ and mirrored to ~/.codex/skills/Available across all your projects, for both Claude Code and Codex
Global skills are mirrored to both Claude and Codex skill directories automatically, so a skill you install once works with both providers.

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Skills registry

Browse and install community-created skills from the Recommended section:
  1. Open the Skills view
  2. Scroll to the recommended skills section
  3. Click the download button to install a skill
  4. Installed skills are immediately available for use

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Install from an external source

You can also install any skill published on GitHub or another registry by pasting its install command:
  1. Open the Skills view and click + Install
  2. Paste a command like npx skills add https://github.com/owner/repo
  3. Choose Project or Global scope
  4. Coddo runs the installer and the skill is ready to use
This is the fastest way to bring in a skill without creating it from scratch.

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Managing skills

From the Skills view, you can:
  • View installed skills and their details
  • Search skills by name or description
  • Uninstall skills you no longer need
  • Refresh the skill list to detect changes