equinor Fusion Rules
Gateway for AI coding assistant rule authoring. Detects the target editor and routes to the right agent.
Routing
| Intent | Agent |
|---|---|
| Set up GitHub Copilot instructions / rules | agents/copilot.agent.md |
| Set up Cursor project rules | agents/cursor.agent.md |
| Set up Claude Code rules / CLAUDE.md | agents/claude-code.agent.md |
| Set up rules for all editors / mixed team | Run all three agents sequentially |
| Review or improve existing rules | Route to the agent matching the file format |
Intent detection
Detect the target editor from the request. Look for:
- Copilot — mentions "copilot", "copilot-instructions", ".github/instructions", "applyTo"
- Cursor — mentions "cursor", ".cursor/rules", "mdc", "alwaysApply", "globs"
- Claude Code — mentions "claude", "CLAUDE.md", ".claude/rules", "paths"
- All / unknown — mentions "rules", "instructions", "set up AI rules", or doesn't specify an editor
Route directly based on detected intent. If no editor is specified, run all three agents.
Loading behavior
Load ONLY the routed agent file. Each agent carries the full workflow and references .system/fusion-rule-author/ assets and templates on demand. Do not preload all agents.
Multi-editor workflow
When targeting multiple editors:
- Run the first agent's scan and interview (Steps 1–3) in full
- Pass the scan summary and interview answers as context to the remaining agents — they skip Steps 1–3 and start at Step 4 (Classify)
- Each agent drafts, reviews, and writes files for its own editor format
- Generate parallel files with equivalent content — no duplication within a single editor
What this skill does NOT do
- Author skills (
SKILL.md) — usefusion-skill-authoring - Author agent definitions (
.agent.md) — separate concern - Write CI checks for rule validation — out of scope
- Migrate entire legacy codebases — incremental adoption only
Safety
- No secrets or credentials in rule files
- No overwrites without showing diff and getting approval
- No invented conventions — only document what the developer confirms
- Show drafts before writing any files