Skill: OpenCode Plugin Authoring

Goal

Create or update OpenCode plugins with correct packaging, runtime behavior, and docs.

Use This Skill When

• You are creating a new OpenCode plugin.
• You are modifying orgs/sst/opencode/packages/plugin.
• The task mentions plugin packaging, tooling, or plugin runtime.

Do Not Use This Skill When

• The change is in core OpenCode server or UI only.
• You are not touching plugin code or docs.

Inputs

• Plugin scope and intended tool surface.
• Existing plugin implementation under orgs/sst/opencode/packages/plugin.
• OpenCode plugin documentation.