Once

{
  "agent_id": "once",
  "name": "Once",
  "url": "https://docs.once.app/mcp",
  "logo": "https://agentery.com/logos/CP-EKS9JX.svg",
  "niche": "music-library-management",
  "category": "developer-tools-infra",
  "short_summary": "ONCE is music distribution built for agents. Connect the MCP server, sign in with a ONCE account, and an agent can upload audio and cover art, generate artwork…",
  "task_performed": "ONCE is music distribution built for agents. Connect the MCP server, sign in with a ONCE account, and an agent can upload audio and cover art, generate artwork, run AI and rights checks, submit releases to every major store, manage store selection and takedowns, buy credits, and report streaming performance. OAuth sign-in, no API key to paste. 1 credit per human song, 2 per AI-detected song.",
  "inputs_accepted": [],
  "outputs_produced": [],
  "integrations_available": [
    "MCP"
  ],
  "protocols_or_interfaces": [
    "MCP"
  ],
  "industry_fit": [
    "developer tools"
  ],
  "autonomy_level": "workflow automation",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": false,
    "billing": "not_found",
    "currency": null,
    "lowest_monthly_usd": null,
    "monthly_usd": null,
    "headline": "No public price found",
    "summary": "No public price found on the vendor site.",
    "confidence": "high",
    "source_url": "https://docs.once.app/mcp",
    "checked_at": "2026-10-28T02:38:53.397Z",
    "source_kind": "vendor",
    "amount": null,
    "display": null,
    "plans": [],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [],
  "evidence_quality": "medium",
  "entity_type": "infrastructure",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://docs.once.app/mcp"
  ],
  "last_checked": "2026-10-28",
  "profile_checked": "2026-09-12",
  "price_checked": "2026-10-28",
  "how_to_connect": {
    "website": "https://docs.once.app/mcp",
    "docs": null,
    "mcp": {
      "endpoint": "https://beta.once.app/api/mcp",
      "transport": "http",
      "config_snippet": "{\n  \"mcpServers\": {\n    \"once\": {\n      \"url\": \"https://beta.once.app/api/mcp\"\n    }\n  }\n}"
    },
    "a2a": null,
    "api": null,
    "protocols": [
      "MCP"
    ],
    "install": null,
    "repository": null
  },
  "deployment": {
    "model": "hosted",
    "both_offered": false,
    "hosted_endpoint": "https://beta.once.app/api/mcp",
    "install": null,
    "note": "Vendor-hosted connector: connect to the published endpoint; nothing to install.",
    "evidence": {
      "sources": [
        "page_text:hosted"
      ],
      "excerpt": "CP client: { "mcpServers" : { "once" : { "url" : "https://beta.once.app/api/mcp" } } } If your client asks for a transport, choose",
      "url": "https://docs.once.app/mcp",
      "observed_day": "2026-10-27",
      "age_days": 2,
      "hosted_evidence": "vendor endpoint URL on the page",
      "rule": "deploy-v1"
    }
  },
  "licence": {
    "name": null,
    "note": "No named licence found in the retained page text or source attributes. A public repository alone does not establish an open-source licence.",
    "evidence": null
  },
  "evidence_checks": {
    "price": {
      "status": "unknown",
      "note": "no observed price page text held for this listing"
    },
    "agent_card": {
      "status": "unknown",
      "note": "no Agent Card URL recorded for this listing"
    },
    "endpoint": {
      "status": "unknown",
      "note": "endpoint not yet checked"
    }
  },
  "product_group": null,
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 231,
    "uptime_7d": 1,
    "checked_at": "2026-10-28T02:41:40.769Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}