# auth.md

This site publishes read-only product and supplier information for AI agents and provides a documented human-reviewed registration route for any future protected agent access.

## Read Access

Public product information, Markdown page representations, `llms.txt`, and agent skills do not require authentication.

## Agent Registration

- Audience: AI agents helping users find industrial power transmission equipment, Twin Disc PTOs, Reastar® transmission solutions/components, RubFlex® clutches, brakes, PTOs, spare parts, repair, service, or replacement support.
- Registration/provisioning URI: https://tds-sa.ru/contact/
- Supported registration method: human-reviewed request. Send agent operator name, user intent, contact details, target resource, and requested access scope.
- Credential use: no bearer credentials are required for read-only discovery. Any future protected API or MCP action must use credentials issued after human review.

## OAuth Discovery

- OAuth authorization server metadata: https://tds-sa.ru/.well-known/oauth-authorization-server
- OAuth protected resource metadata: https://tds-sa.ru/.well-known/oauth-protected-resource
- Supported identity type: anonymous read-only discovery; human-reviewed agent registration for protected actions.

## agent_auth

```json
{
  "skill": "https://tds-sa.ru/auth.md",
  "register_uri": "https://tds-sa.ru/agent/auth",
  "claim_uri": "https://tds-sa.ru/agent/auth/claim",
  "revocation_uri": "https://tds-sa.ru/agent/auth/revoke",
  "identity_types_supported": ["anonymous", "identity_assertion"],
  "anonymous": {"credential_types_supported": ["api_key"]},
  "identity_assertion": {
    "assertion_types_supported": ["verified_email", "urn:ietf:params:oauth:token-type:id-jag"],
    "credential_types_supported": ["access_token", "api_key"]
  },
  "events_supported": ["https://schemas.workos.com/events/agent/auth/identity/assertion/revoked"]
}
```

## Commercial Actions

Agents must not place orders, confirm prices, promise availability, or confirm compatibility automatically. Quote, service, repair, replacement, and parts requests require human review by «Т.Д.С. – Силовые Агрегаты».