21st Dev

{
  "agent_id": "21st_dev",
  "name": "21st Dev",
  "url": "https://21st.dev/",
  "logo": "https://agentery.com/logos/CP-9S48VM-256.png",
  "niche": "ui-prototyping",
  "category": "design-creative",
  "short_summary": "provides a library of UI/React components and design blocks for developers to browse, copy, and use in their applications",
  "task_performed": "provides a library of UI/React components and design blocks for developers to browse, copy, and use in their applications",
  "inputs_accepted": [],
  "outputs_produced": [
    "UI components",
    "design blocks (heroes",
    "pricing sections",
    "testimonials",
    "buttons",
    "AI chat components)"
  ],
  "integrations_available": [],
  "protocols_or_interfaces": [
    "MCP"
  ],
  "industry_fit": [
    "developer tools"
  ],
  "autonomy_level": "unclear",
  "human_approval_needed": "unclear",
  "pricing_model": "unclear",
  "price": {
    "observed": true,
    "billing": "subscription",
    "currency": "USD",
    "lowest_monthly_usd": 6,
    "monthly_usd": 6,
    "headline": "From $6/mo",
    "summary": "From $6/mo. Public pricing shows Builder at $6/month billed yearly, Builder + AI at $15/month billed yearly, and Team at $7.50 per seat/month billed yearly.",
    "confidence": "high",
    "source_url": "https://21st.dev/pricing",
    "checked_at": "2026-09-01T04:10:07.427Z",
    "amount": 6,
    "display": "From $6/mo",
    "plans": [
      {
        "name": "Builder",
        "price": "$6 per month billed yearly",
        "period": "month",
        "persona": "individual",
        "highlights": [
          "For individuals",
          "Unlimited code and prompt copies",
          "Unlimited component installs",
          "Search components via MCP and CLI"
        ],
        "price_annual": null
      },
      {
        "name": "Builder + AI",
        "price": "$15 per month billed yearly",
        "period": "month",
        "persona": "individual",
        "highlights": [
          "For individuals using 21st AI",
          "500–2,000 AI credits per month",
          "Multiple AI models",
          "Premium AI models"
        ],
        "price_annual": null
      },
      {
        "name": "Team",
        "price": "$7.50 per seat / month billed yearly",
        "period": "month",
        "persona": "team_sme",
        "highlights": [
          "2–50 seats",
          "Centralized billing",
          "Shared collections",
          "Admin controls",
          "Private team components"
        ],
        "price_annual": null
      },
      {
        "name": "AI credit top-up",
        "price": "+100 for $5",
        "usage": true,
        "period": "usage",
        "persona": "team_sme",
        "highlights": [
          "Credits roll over",
          "Available for Builder + AI and Team + AI"
        ],
        "price_annual": null
      }
    ],
    "source": "render+llm"
  },
  "trust_or_rating_signal": [
    "component popularity counts/usage numbers",
    "author attribution"
  ],
  "evidence_quality": "medium",
  "entity_type": "content-community",
  "regulated_data_suitability": "unclear",
  "evidence_urls": [
    "https://21st.dev/"
  ],
  "last_checked": "2026-06-17",
  "how_to_connect": {
    "website": "https://21st.dev/",
    "docs": "https://21st.dev/documentation",
    "mcp": null,
    "a2a": null,
    "api": {
      "docs_url": "https://21st.dev/developer",
      "endpoint": null
    },
    "protocols": [
      "MCP"
    ],
    "note": "Speaks MCP but publishes no endpoint we could verify — check the docs/website."
  },
  "liveness": {
    "probed": true,
    "alive": true,
    "endpoint_kind": "site",
    "latency_ms": 488,
    "uptime_7d": 1,
    "checked_at": "2026-09-01T02:30:14.498Z",
    "consecutive_failures": 0,
    "status": "alive"
  },
  "price_extras": {
    "free_tier": null,
    "unit_cost": null
  },
  "reported_success": null,
  "feedback": "If you use this listing, call report_outcome afterwards — it sharpens rankings for everyone including you."
}