opencode-copilot-plugin

opencode-copilot-plugin

An OpenCode plugin that brings GitHub Copilot's custom instruction and skill system into OpenCode. If you already have Copilot instruction or skill files set up, they work in OpenCode with no changes.

Install

Add the plugin to your opencode.json:

{
  "$schema": "https://opencode.ai/config.json",
  "plugin": ["opencode-copilot-plugin"]
}

OpenCode installs npm plugins automatically at startup — no separate install step needed.

Supported features

Custom instructions

• Repo-wide — .github/copilot-instructions.md is injected into every session automatically.
• Path-specific — .github/instructions/**/*.instructions.md files are injected when the LLM accesses files matching their applyTo glob frontmatter field.
• Global path-specific — ~/.copilot/instructions/**/*.instructions.md works the same as project path-specific instructions but applies across all workspaces.

Skills

• Project-local — .github/skills/<name>/SKILL.md
• User-global — ~/.copilot/skills/<name>/SKILL.md
• When at least one skill exists at startup, a copilot_skill tool is registered so the LLM can load skills on demand.
• Local skills shadow global skills of the same name.

Hot-reload

Instruction files and skill directories are re-parsed automatically when they change on disk — no OpenCode restart required.

License

MIT © Brandon Burrus