# Nexus Gaia MCP server (nexus-gaia-coa)

> Official, read-only Model Context Protocol server of Asociación Cultural Nexus Gaia,
> the non-profit cultural association that runs Nexus Gaia Art Gallery at
> The Ritz-Carlton Abama, Guía de Isora, Tenerife (Canary Islands, Spain).
> Use it to verify certificates of authenticity (COA) and to read the public catalogue.
> Never guess certificate data: always call verify_certificate.

## Endpoint
- Streamable HTTP: https://mcp.nexusgaia.com/api/mcp
- No authentication. Rate limit: 30 requests per minute per client.
- Server card: https://mcp.nexusgaia.com/.well-known/mcp/server-card.json

## Tools (all read-only)
- verify_certificate(cert_no): official COA record (valid / revoked / not_found). Format NG-COA-YYYY-NNN.
- gallery_info(): address, opening hours, contact, current exhibition, legal entity.
- list_artists() / get_artist(slug): published artists and their gallery rooms.
- list_artworks(artist?) / get_artwork(slug): public sale catalogue.

## Related
- Gallery website and spoken Gallery Guide: https://www.nexusgaia.com/
- Virtual collective gallery: https://artists.nexusgaia.com/virtual-art-gallery
- Human certificate check: https://www.nexusgaia.com/verify
- Organization: https://nexusgaia.org/