Enterno API Verified

```json
{
  "service_type": "platform",
  "base_url": "https://enterno.io",
  "auth_method": "none",
  "auth_config": {
    "notes": "Open tier needs no authentication (19 checks, 30 req/min per IP). A free API key unlocks REST API v4 and the MCP server tools (200 requests/day, 60/min). REST API v4 uses API keys with scopes. The exact header or parameter name for key transmission is not specified in the provided material."
  },
  "endpoints": [
    {
      "method": "GET",
      "path": "/api/open/<tool>?q=<target>",
      "description": "Open, keyless diagnostic endpoints. Each of the 19 checks is exposed as a tool name and takes the target domain or URL in the q parameter. Output formats: text, JSON, or CSV.",
      "auth_required": false
    },
    {
      "method": "unknown",
      "path": "/api/v4/*",
      "description": "REST API v4 with API keys and scopes. Specific routes are not listed in the provided material.",
      "auth_required": true
    },
    {
      "method": "MCP",
      "path": "unknown (MCP server)",
      "description": "MCP server exposing 40+ tools, including SEO audit, AI-readiness grade, and security grade (A+ to F). Requires a free key.",
      "auth_required": true
    }
  ],
  "pricing_model": {
    "type": "freemium",
    "details": {
      "free_open_tier": "19 checks, no key, 30 requests/min per IP",
      "free_key_tier": "200 API requests/day, 60/min, plus 40+ MCP tools",
      "paid_plans": "From $5/month (500/day) to $49/month (100,000/day)",
      "billing_note": "Paid plans are billed in RUB, which may matter for international users (card support and currency conversion are unclear)",
      "currency_listed": "USD"
    }
  },
  "rate_limits": {
    "open_no_key": "30 requests/min per IP",
    "free_key": "60 requests/min, 200 requests/day",
    "paid_low": "500 requests/day ($5/mo)",
    "paid_high": "100,000 requests/day ($49/mo)"
  },
  "capabilities": [
    "HTTP header inspection",
    "Redirect chain analysis",
    "SSL/TLS certificate and configuration checks (including expiry)",
    "DNS record lookup",
    "DNS propagation checking",
    "WHOIS lookup",
    "Email DNS verification: MX, SPF, DMARC, DKIM",
    "Security header audit: CSP, CORS, cookie flags",
    "robots.txt analysis",
    "Structured data checks",
    "SEO audit (MCP)",
    "AI-readiness grade (MCP)",
    "Security grade A+ to F (MCP)",
    "Output in text, JSON, or CSV",
    "MCP integration with Claude Code, Claude Desktop, Cursor, Codex CLI, VS Code, Zed",
    "Checks run from enterno.io servers, so results reflect the public internet view",
    "SSRF protection: private and internal addresses are refused"
  ],
  "raw_analysis": "Enterno is a website and domain diagnostics platform positioned for AI agents and developers. It covers the same ground as SSL Labs, MXToolbox, DNSChecker, and SecurityHeaders.com, but consolidates those checks behind one agent-friendly interface. The main selling points are the keyless open tier (19 checks via simple GET requests, with text, JSON, or CSV output), which gives agents very low-friction access, and an MCP server with 40+ tools for MCP-capable clients such as Claude Code, Claude Desktop, Cursor, Codex CLI, VS Code, and Zed.\n\nTarget users are developers, DevOps/SRE teams, SEO specialists and agencies, and autonomous AI agents that need to inspect a site or domain on request. Core use cases are outage diagnosis (DNS, TLS, HTTP, redirects), certificate expiry monitoring, security header and cookie audits, email authentication verification, and DNS propagation checks after migrations.\n\nStrengths: zero-auth entry point, multiple output formats, broad check coverage, MCP-native design, inexpensive paid tiers ($5 to $49/month), and sensible SSRF protection (internal and private addresses refused). Checks run from Enterno's own servers, so results show the public internet view but not region-specific or internal perspectives.\n\nCaveats: (1) Maturity is hard to judge. No usage numbers, uptime SLA, or documentation depth are given. (2) Paid plans are billed in RUB, which suggests a Russia-oriented billing setup and may cause payment friction for some international users. (3) The open tier's 30 req/min per IP limit is shared across NAT'd or agent-hosting environments. (4) Exact REST v4 routes, the API key header format, and the MCP server URL and transport are not in the provided material and should be confirmed in the docs. (5) The listed pricing model says 'free' but paid tiers exist, so freemium is the more accurate classification.\n\nOverall: a pragmatic, agent-oriented diagnostics toolkit that is easy to try thanks to keyless access, and a reasonable fit for agents needing on-demand domain and website checks. Verify billing, reliability, and detailed docs before depending on it in production."
}
```

3/3 tests passed

```json
{
  "overall": 78,
  "dimensions": {
    "token_efficiency": 7.5,
    "first_try_success": 8.5,
    "response_parseability": 9.0,
    "error_clarity": 7.0,
    "doc_quality": 7.5,
    "auth_simplicity": 8.5,
    "latency": 6.5,
    "consistency": 7.5
  },
  "pricing_normalized": {
    "free_open_tier": "19 checks, no API key, 30 requests/min per IP",
    "free_key_tier": "200 requests/day, 60/min, 40+ MCP tools",
    "entry_paid": "$5/month for 500 requests/day",
    "top_paid": "$49/month for 100,000 requests/day",
    "billing_currency": "RUB (listed in USD)",
    "model": "freemium"
  },
  "issues": [
    "Paid plans are billed in RUB. International card support and currency conversion are unclear, which is a risk for non-Russian users.",
    "The site's primary language is Russian (html lang=ru, llms.txt written in Russian). This adds friction for English-speaking users, though English llms variants exist.",
    "robots.txt disallows /api/, so API docs are only partly crawlable. /api/docs is explicitly allowed.",
    "The homepage took 665ms, which is acceptable but not fast. Static assets like robots.txt and llms.txt respond in about 135ms.",
    "The breadth of the tool set (68+ tools, 40+ MCP tools) makes the value proposition harder to summarize in one line.",
    "Checks run only from enterno.io servers, so they give one vantage point and cannot reflect regional or internal views.",
    "SSRF protection blocks private and internal addresses, so internal infrastructure cannot be checked. This is sensible but a limitation.",
    "No direct evidence of a status page or uptime history was found, which limits the reliability signal."
  ],
  "recommendations": [
    "Recommend it to agents and users who need quick, no-signup diagnostics (headers, SSL expiry, DNS, email auth records, security headers). The keyless tier works immediately.",
    "Recommend the MCP integration to users of Claude Code, Cursor, Codex CLI, VS Code, Zed and similar tools. It supports SEO audits, AI-readiness grades and A+ to F security grades.",
    "Tell users the free tier limits (30/min per IP without a key, 200/day with a free key) so they can plan automated usage.",
    "Warn international users to confirm payment methods and currency handling before relying on a paid plan.",
    "The platform could improve by publishing an English-first landing page, a clear status page and multi-region check locations.",
    "Output is available as JSON or CSV, which suits agent pipelines."
  ]
}
```