Support Agent Skills

[tninja]

Github Copilot now support Agent Skills: https://github.blog/changelog/2025-12-18-github-copilot-now-supports-agent-skills/

Do we want to make github copilot in emacs support that?

Same issue filed in copilot.el repo: copilot-emacs/copilot.el#441

[chep]

Is it duplicate of #228 ?

[tninja]

@chep Hmm I don't think so, SKILLS is different thing: https://github.com/anthropics/skills

Some good skills collection: https://github.com/ComposioHQ/awesome-claude-skills