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Lesson 07 of 10 · published

Skills in Gemini

~12 min · gemini, skills, open-standard

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Same Skills standard, different host

Gemini implements the open Agent Skills standard. A SKILL.md written for Claude Code or Codex works in Gemini — same frontmatter, same body, same paths:. Drop the skill folder into .gemini/skills/<name>/ (project) or ~/.gemini/skills/<name>/ (user) and it's available as /name.

Cross-CLI portability is the whole reason the standard exists. A team-wide PR-summary Skill should not care which CLI a teammate is running.

Code

Drop a Skill into Gemini·bash
# Same Skill folder works in all three CLIs
cp -r .claude/skills/pr-summary  .gemini/skills/pr-summary

# Or symlink for shared maintenance
ln -s "$(pwd)/.claude/skills/pr-summary" \
       .gemini/skills/pr-summary

# Use it
gemini
> /pr-summary https://github.com/me/myrepo/pull/42
Verify the standard holds·markdown
# .gemini/skills/pr-summary/SKILL.md (same as Claude/Codex)
---
name: pr-summary
description: |
  Summarize a GitHub PR: changed files, intent, risks.
invocation: explicit
arguments:
  - name: pr_url
    required: true
---
... body identical across CLIs ...

External links

Exercise

Take an existing Skill from your Claude or Codex setup and link/copy it into Gemini's skills folder. Run it via /skill-name in a Gemini session. Confirm output parity.

Progress

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