src/features/opencode-skill-loader/ — 4-Scope Skill Discovery

Generated: 2026-02-21

OVERVIEW

28 files (~3.2k LOC). Discovers, parses, merges, and resolves SKILL.md files from 4 scopes with priority deduplication.

4-SCOPE PRIORITY (highest → lowest)

1. Project (.opencode/skills/)
2. OpenCode config (~/.config/opencode/skills/)
3. User (~/.config/opencode/oh-my-opencode/skills/)
4. Global (built-in skills)

Same-named skill at higher scope overrides lower.

KEY FILES

File	Purpose
`loader.ts`	Main `loadSkills()` — orchestrates discovery → parse → merge
`async-loader.ts`	Async variant for non-blocking skill loading
`blocking.ts`	Sync variant for initial load
`merger.ts`	Priority-based deduplication across scopes
`skill-content.ts`	YAML frontmatter parsing from SKILL.md
`skill-discovery.ts`	Find SKILL.md files in directory trees
`skill-directory-loader.ts`	Load all skills from a single directory
`config-source-discovery.ts`	Discover scope directories from config
`skill-template-resolver.ts`	Variable substitution in skill templates
`skill-mcp-config.ts`	Extract MCP configs from skill YAML
`types.ts`	`LoadedSkill`, `SkillScope`, `SkillDiscoveryResult`

SKILL FORMAT (SKILL.md)

---
name: my-skill
description: What this skill does
tools: [Bash, Read, Write]
mcp:
  - name: my-mcp
    type: stdio
    command: npx
    args: [-y, my-mcp-server]
---

Skill content (instructions for the agent)...

MERGER SUBDIRECTORY

Handles complex merge logic when skills from multiple scopes have overlapping names or MCP configs.

TEMPLATE RESOLUTION

Variables like {{directory}}, {{agent}} in skill content get resolved at load time based on current context.

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