generated: '2026-08-02' method: probed source: live HTTPS probes on 2026-08-02 summary: 'No /.well-known/ document is published for the Callisto Media brand on any of its hosts. callistomedia.com does not answer on port 443 at all. www.callistopublishing.com and www.sourcebooks.com run the same Sourcebooks Magento PWA storefront, which answers 200 with the single-page-application HTML shell (content-type text/html;charset=UTF-8, ) for most unmatched paths — those 200s are catch-all responses, not documents, and are recorded as such. The three paths the storefront does not catch (/.well-known/ai-plugin.json, /.well-known/agent-card.json, /.well-known/agent.json) return a genuine 404. No A2A agent card exists, so no a2a/ artifact was written.' hosts: - host: https://callistomedia.com reachable: false note: TCP connect to port 443 timed out; HTTP/80 returns 301 to https://www.callistopublishing.com documents: - {path: /.well-known/security.txt, status: null, result: connect-timeout} - {path: /.well-known/openid-configuration, status: null, result: connect-timeout} - {path: /.well-known/oauth-authorization-server, status: null, result: connect-timeout} - {path: /.well-known/api-catalog, status: null, result: connect-timeout} - {path: /.well-known/ai-plugin.json, status: null, result: connect-timeout} - {path: /.well-known/agent-card.json, status: null, result: connect-timeout} - {path: /.well-known/agent.json, status: null, result: connect-timeout} - host: https://www.callistopublishing.com reachable: true note: 301-redirects to https://www.sourcebooks.com/callisto/ documents: - {path: /.well-known/security.txt, status: 200, result: spa-html-catchall} - {path: /.well-known/openid-configuration, status: 200, result: spa-html-catchall} - {path: /.well-known/oauth-authorization-server, status: 200, result: spa-html-catchall} - {path: /.well-known/api-catalog, status: 200, result: spa-html-catchall} - {path: /.well-known/ai-plugin.json, status: 404, result: not-found} - {path: /.well-known/agent-card.json, status: 404, result: not-found} - {path: /.well-known/agent.json, status: 404, result: not-found} - host: https://www.sourcebooks.com reachable: true note: Sourcebooks storefront; hosts the Callisto brand page at /callisto/ documents: - {path: /.well-known/security.txt, status: 200, result: spa-html-catchall} - {path: /.well-known/openid-configuration, status: 200, result: spa-html-catchall} - {path: /.well-known/oauth-authorization-server, status: 200, result: spa-html-catchall} - {path: /.well-known/api-catalog, status: 200, result: spa-html-catchall} - {path: /.well-known/ai-plugin.json, status: 404, result: not-found} - {path: /.well-known/agent-card.json, status: 404, result: not-found} - {path: /.well-known/agent.json, status: 404, result: not-found} - {path: /robots.txt, status: 200, result: served, content_type: text/plain} contract_discovery: openapi: none probed: - {url: 'https://www.callistopublishing.com/openapi.json', status: 404} - {url: 'https://www.callistopublishing.com/openapi.yaml', status: 200, result: spa-html-catchall} - {url: 'https://www.callistopublishing.com/swagger.json', status: 404} - {url: 'https://www.callistopublishing.com/api-docs', status: 200, result: spa-html-catchall} - {url: 'https://www.callistopublishing.com/llms.txt', status: 200, result: spa-html-catchall} - {url: 'https://www.callistopublishing.com/graphql', status: 200, result: spa-html-catchall} - {url: 'https://www.sourcebooks.com/openapi.json', status: 404} - {url: 'https://www.sourcebooks.com/swagger.json', status: 404} - {url: 'https://www.sourcebooks.com/api-docs', status: 200, result: spa-html-catchall} - {url: 'https://www.sourcebooks.com/llms.txt', status: 200, result: spa-html-catchall} - {url: 'https://www.sourcebooks.com/graphql', status: 403, result: forbidden} graphql: 'no introspectable endpoint for Callisto; the Sourcebooks Magento storefront exposes /graphql but returns 403 to anonymous requests, and that surface belongs to Sourcebooks, not to the Callisto Media entity' mcp: none a2a: 'none — /.well-known/agent-card.json and /.well-known/agent.json both 404 on every host' github_org: 'none — github.com/callistomedia, /callisto-media and /rockridgepress all 404 on the GitHub API' packages: 'none — no first-party client library found on npm or PyPI'