# Digital Gemology auth.md

No registration, sign-in or credentials are needed. Everything Digital Gemology offers agents is public and read-only.

## Agent audience

Any AI agent or assistant working for a person who is looking for gem cuts, 3D models (STEP, 3DM, STL, OBJ, FBX, GLB)
or GemCad faceting diagrams, or for how a cut performs in a gemstone.

## Registration

None. There is no registration or provisioning endpoint and no OAuth authorization server, so this site publishes no
OAuth metadata.

## Supported methods

Anonymous access, without credentials:

- MCP server: https://digitalgemology.com/mcp (Streamable HTTP). Server card: https://digitalgemology.com/.well-known/mcp/server-card.json
- REST API: https://digitalgemology.com/api/ (OpenAPI: https://digitalgemology.com/api/openapi.json; API catalog: https://digitalgemology.com/.well-known/api-catalog)
- Pages: any page as HTML, or as Markdown with `Accept: text/markdown`; the index is https://digitalgemology.com/llms.txt

## Credential use

Send no Authorization header, API key or cookie: none is checked and none is issued. The MCP server and the API keep no
session and no account.

## Buying

An agent cannot buy for a person here. A person completes the purchase at the Lemon Squeezy checkout, the merchant of
record: give them the checkout link from get_cut or from the cut's page. The download link and licence key appear on
the confirmation page and in the receipt email.

## Contact

support@digitalgemology.com