Claude only skill
Static cross-agent portability linter for agent skills — will your SKILL.md work on Claude Code, Codex, and Cursor?
npx -y skills add skyswordw/skillport --skill claude-only-skillAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
One thing to look at
- 0 stars0 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
What its author says it does
Copied from the file, not written here
Demonstrates Claude Code-only skill features that do NOT port to Codex or Cursor. Use this fixture to see skillport flag forking, hooks, model/tool overrides, dynamic injection, and argument substitution.
SKILL.md
0.5 KB, as published. Nobody here has run it
Claude Only
Today is !date +%F, captured before the model reads this skill.
Process $ARGUMENTS carefully and report back.