# Agent instructions — COSMOS Brand System

Brand guidelines published at `brand.xandoralab.com`.

## Discovery
- Index: https://brand.xandoralab.com/llms.txt
- Full export: https://brand.xandoralab.com/llms-full.txt
- API catalog: https://brand.xandoralab.com/.well-known/api-catalog
- Agent skills: https://brand.xandoralab.com/.well-known/agent-skills/index.json
- DNS-AID: _index._agents.brand.xandoralab.com (HTTPS/SVCB, DNSSEC required)
- MCP server card: https://brand.xandoralab.com/.well-known/mcp/server-card.json
- OpenAPI: https://brand.xandoralab.com/api/openapi.json
- Per-section: https://brand.xandoralab.com/agent/{locale}/{section-id}.md

## Rules
1. Only use colors, type, and copy defined in COSMOS.
2. One primary CTA per section. Sage only for active states and key actions.
3. No cyberpunk, no emoji, no exclamation marks in Xandora copy.

## Markdown negotiation
Send `Accept: text/markdown` to `/{locale}` or `/{locale}/cosmos` to receive the negotiated Markdown manual.
Section-specific Markdown: `/agent/{locale}/{section-id}.md` or `/{locale}?section={section-id}` with `Accept: text/markdown`.