{"entry":{"slug":"surface-mcp","name":"Surface","category":"mcp","summary":"Unwraps short links and tells an AI agent fetch or skip before it opens them. The preflight_url tool follows redirects, refuses private hosts, and returns the final URL with a verdict; it never returns the page body.","description":"Surface unwraps short links and tells your AI agent fetch or skip before it opens them. Its preflight_url tool follows redirects, refuses private hosts, and returns the final URL with a fetch or skip verdict. It never returns the page body. Agents can call the HTTP API (POST https://nova-otter-delta-cloud.grok.me/v1/preflight) or the remote MCP server at https://nova-otter-delta-cloud.grok.me/mcp. Front door: https://otter-sand-wolf-spring.grok.me. Free up to 1M requests a month.","auth_mode":"none, or optional Bearer API key from POST /v1/keys","endpoint":"https://nova-otter-delta-cloud.grok.me/mcp","docs_url":"https://nova-otter-delta-cloud.grok.me/docs","tags":["link-safety","url-preflight","short-links","ai-agents"],"capabilities":["preflight-url","unwrap-short-links","link-safety","fetch-or-skip","inspect-caller"],"auth_params":[{"name":"Authorization","location":"header","required":false}],"input_format":"application/json (MCP JSON-RPC over Streamable HTTP)","output_format":"application/json","rate_limit":"Free up to 1M requests a month","pricing":"Free up to 1M requests a month","invocation_example":"curl -sS -X POST https://nova-otter-delta-cloud.grok.me/mcp -H 'content-type: application/json' -H 'accept: application/json' -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"preflight_url\",\"arguments\":{\"url\":\"https://example.com\"}}}'","verified":false,"verified_at":null,"featured":false,"checks_total":1,"checks_ok":1,"avg_latency_ms":399,"reports_count":0,"health_ok":true,"health_status_code":400,"health_checked_at":"2026-11-15T14:20:31.368+00:00","health_latency_ms":399,"probe_url":null,"capability_ok":true,"schema_ok":null,"data_ok":null,"down_since":null},"watch":{"hint":"Follow \"surface-mcp\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"surface-mcp\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}