generated: '2026-08-06' method: searched source: https://www.arobiotx.com/llms.txt docs: https://dev.wix.com/docs/develop-websites/articles/get-started/about-the-wix-site-mcp scope: >- Aro Biotherapeutics publishes no OpenAPI, no developer portal and no API key programme, so there is no securityScheme to derive from. The only callable surface on the domain is the Wix-provided Site MCP endpoint, and this profile records the auth model that endpoint actually enforces, as observed live. summary: types: - none - session-token api_key_in: [] oauth2_flows: [] anonymous_discovery: true schemes: - name: anonymous type: none applies_to: - 'MCP method: initialize' - 'MCP method: tools/list' description: >- Discovery is unauthenticated. POST tools/list to https://www.arobiotx.com/_api/mcp with no credentials returns HTTP 200 and the full 9-tool manifest with input schemas. evidence: url: https://www.arobiotx.com/_api/mcp request: POST {"jsonrpc":"2.0","id":1,"method":"tools/list"} http_status: 200 fetched: '2026-08-06' - name: visitorToken type: session-token issued_by: GenerateVisitorToken passed_as: visitorToken parameter on the tool call (not an HTTP header) applies_to: - CallWixSiteAPI - ExecuteWixAPI description: >- Actions taken on a visitor's behalf require a visitor access token. An agent calls the GenerateVisitorToken tool, which takes no parameters and creates an anonymous visitor session, then passes the returned token as the visitorToken argument. This is a self-service anonymous session, not an identity credential — no registration, account or approval step exists. evidence: url: https://www.arobiotx.com/_api/mcp source: 'tools/list inputSchema: visitorToken listed in required[] for CallWixSiteAPI and ExecuteWixAPI' http_status: 200 fetched: '2026-08-06' observations: - >- GET (rather than POST) on https://www.arobiotx.com/_api/mcp returns HTTP 401 application/json, confirming the endpoint enforces the MCP transport contract rather than answering everything 200. - >- No OAuth metadata is published: /.well-known/oauth-authorization-server and /.well-known/oauth-protected-resource both return 400 on this origin. - >- ExecuteWixAPI is annotated destructiveHint:true and executes caller-supplied JavaScript against the Wix REST API under the anonymous visitor session. Anyone on the internet can obtain that session, so the effective trust boundary is whatever the Wix visitor role permits on this site.