generated: '2026-07-25' method: searched status: published source: >- Live probe of https://-skopenapi.readme.io/mcp on 2026-07-25 plus the RFC 9728 protected-resource metadata at /.well-known/oauth-protected-resource/mcp on each host. summary: >- SK Telecom does not author or operate an MCP server for its APIs. It does, however, publish every API reference on the ReadMe documentation platform, and each of the five SK open API documentation hubs exposes a live MCP endpoint at /mcp on the SK Telecom-branded hostname. Those endpoints are real — a JSON-RPC POST returns a well-formed JSON-RPC envelope — but tools/list and initialize both answer HTTP 401 {"code":-32001,"message":"Authorization required"}, and the RFC 9728 descriptor names ReadMe's own authorization server (https://dash.readme.com/oidc) as the issuer. The tool set therefore cannot be introspected anonymously, and the tools are documentation-platform tools rather than tools generated per SK Telecom API operation. No MCP server for the SK open API gateway itself (apis.openapi.sk.com) was found on the portal, in the SK Telecom GitHub organisation, or in any public MCP registry. authored_by: ReadMe (documentation platform), on SK Telecom-branded documentation hostnames servers: - name: sk-telecom-ax-tts-docs api: SK Telecom A.X TTS API transport: http url: https://ax-tts-skopenapi.readme.io/mcp status: live auth: required probe: method: tools/list http_status: 401 response: '{"jsonrpc":"2.0","error":{"code":-32001,"message":"Authorization required"},"id":null}' authorization_servers: [https://dash.readme.com/oidc] - name: sk-telecom-facecan-docs api: SK Telecom A. facecan API transport: http url: https://nugufacecan-skopenapi.readme.io/mcp status: live auth: required probe: {method: tools/list, http_status: 401} authorization_servers: [https://dash.readme.com/oidc] - name: sk-telecom-puzzle-docs api: SK Telecom Geovision Puzzle APIs (place congestion, residence) transport: http url: https://puzzle-skopenapi.readme.io/mcp status: live auth: required probe: {method: tools/list, http_status: 401} authorization_servers: [https://dash.readme.com/oidc] - name: sk-telecom-meta-docs api: SK Telecom META API transport: http url: https://meta-skopenapi.readme.io/mcp status: live auth: required probe: {method: tools/list, http_status: 401} authorization_servers: [https://dash.readme.com/oidc] - name: sk-telecom-ovs-docs api: SK Telecom OVS API transport: http url: https://ovs-skopenapi.readme.io/mcp status: live auth: required note: >- The underlying OVS API was terminated by SK Telecom on 2026-04-07 13:00 KST; the documentation hub and its MCP endpoint were still answering on 2026-07-25. probe: {method: tools/list, http_status: 401} authorization_servers: [https://dash.readme.com/oidc] tools: discovered: [] note: >- Not fabricated. tools/list is auth-gated on all five endpoints and no llms.txt or docs page publishes the tool names, so no tool inventory could be recorded. The llms.txt files under llms/ carry the documentation-page inventory that a ReadMe MCP client would search. gaps: - No MCP server binds the SK open API gateway operations (47 OpenAPI operations across six specs). - No MCP server is published for T ID, NUGU, Passkey or any CAMARA network capability.