{
  "data": {
    "a": {
      "slug": "serpkite",
      "name": "SerpKite",
      "vendor": "SerpKite (Anastasia Klimova, trading as SerpKite)",
      "vendorUrl": "https://serpkite.com",
      "kind": "http-api",
      "category": "search",
      "summary": "Google SERP API for AI agents from SerpKite, a sole trader in Ontario. It returns live Google results and 10 other Google verticals as JSON or Markdown, fetches pages as Markdown, and runs a remote MCP server with 14 tools.",
      "url": "https://www.anchorterminal.com/tools/serpkite",
      "markdownUrl": "https://www.anchorterminal.com/tools/serpkite.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/serpkite.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/serpkite.json",
      "repo": "https://github.com/SerpKite/serpkite-mcp",
      "license": "Proprietary service under SerpKite's terms of service. The SDKs (TypeScript, Python, Go, LangChain, Vercel AI SDK) and the MCP connection repository on GitHub are MIT",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.serpkite.com/v1/search",
      "packages": [
        {
          "registry": "npm",
          "name": "serpkite"
        },
        {
          "registry": "pypi",
          "name": "serpkite"
        },
        {
          "registry": "go",
          "name": "github.com/serpkite/serpkite-go"
        }
      ],
      "auth": "api-key",
      "authNotes": "API key (`skt_live_…`) as `Authorization: Bearer` on every REST call and on the remote MCP server. GET requests may also send it as the `?api_key=` query parameter. An account can hold many keys, each revocable and rotatable with an optional monthly credit limit, and keys are stored as SHA-256 hashes. No scopes. OAuth for the MCP server is listed as planned (https://serpkite.com/docs/api-keys, https://serpkite.com/docs/mcp).",
      "pricing": "freemium",
      "pricingNotes": "Prepaid credit packs that never expire. Starter $10 for 10,000 credits ($1.00 per 1,000), Growth $50 for 62,500 ($0.80), Pro $300 for 500,000 ($0.60), volume quotes from $0.18 per 1,000 at 25 million a month. One credit is one page of 10 results; `num=100` is 7 credits, autocomplete 0.5, batch and cache hits half price, `include_content` 1 per fetched page. Free credits on signup with no card (1,000, or 2,500 after linking GitHub or Google, per the quickstart) and 1,000 a month. Failed, empty and blocked requests are refunded. Paddle is the merchant of record (https://serpkite.com/pricing, checked 2026-10-05).",
      "priceSummary": "$1 / 1k req",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in llms.txt, the OpenAPI spec or the pricing page. Packs are bought through Paddle checkout (checked 2026-10-05).",
        "endpoints": []
      },
      "toolCount": 14,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 809,
        "pypiWeekly": 376,
        "asOf": "2026-10-05"
      },
      "docsUrl": "https://serpkite.com/docs",
      "llmsTxt": "https://serpkite.com/llms.txt",
      "openapi": "https://serpkite.com/openapi/serp-api.yaml",
      "registryName": "io.github.SerpKite/serpkite",
      "capabilities": [
        "web.search",
        "search.serp",
        "search.news",
        "search.images",
        "web.fetch",
        "web.extract",
        "web.crawl"
      ],
      "tags": [
        "hosted",
        "freemium",
        "no-card",
        "free-tier",
        "closed-source",
        "mcp",
        "openapi",
        "llms-txt",
        "typescript",
        "python",
        "go",
        "status-page"
      ],
      "lastRelease": "2026-10-04",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 64.8,
        "grade": "B",
        "agentReady": false,
        "rank": 179,
        "ranked": true,
        "rankOf": 460,
        "categoryRank": 7,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 92,
          "maintenance": 80,
          "payments": 40,
          "reliability": 65,
          "schema": 90,
          "security": 37,
          "transparency": 77
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-05"
        },
        "negative": -3,
        "negativeNotes": [
          "2 and 3 October 2026. The `ai_overview` parameter and field, the `/v1/ai-mode` endpoint and its MCP tool, and the `/v1/lens` endpoint were removed the day each removal was announced, three to four days after the v1.0.0 changelog listed AI Overview as unchanged. Calls now get 400 or 404. The changelog gives Google's refusal of logged-out requests as the reason, and the removed functions are no longer advertised, so the deduction is small (https://serpkite.com/docs/changelog)."
        ],
        "verdict": "Google SERP API with an OpenAPI 3.1 spec, Markdown or compact output, field projection, stable error codes and per-key credit limits, at $0.60 to $1.00 per 1,000 on packs that don't expire. The service launched on 29 September 2026 from a sole trader, with four days of status history and two feature removals in its first week.",
        "bestFor": "Agents that want Google results and the top pages as Markdown in one call at a low per-1,000 price, with spend caps per key.",
        "strengths": [
          "OpenAPI 3.1 spec, llms.txt, llms-full.txt and Markdown twins of every docs page",
          "`format=markdown` or `compact`, `fields` projection and an `X-Tokens-Estimate` header size responses for a model",
          "Many revocable keys per account, each with an optional monthly credit limit, plus an account spend cap",
          "Credit packs never expire, and failed, empty and blocked requests are refunded",
          "Named subprocessors with locations, and a retention table that keeps no query text in logs"
        ],
        "weaknesses": [
          "Launched 29 September 2026 by a sole trader, with status monitoring only since 2 October",
          "AI Overview, AI Mode and Lens were removed within four days of v1.0.0, each without advance notice",
          "GET requests accept the key as a `?api_key=` query parameter, and keys have no scopes",
          "No SLA for self-serve packs, no SOC 2 and no security.txt",
          "The MCP server needs a custom header. OAuth is only planned, so OAuth-only clients can't connect"
        ],
        "agentNotes": [
          "Send the key as `Authorization: Bearer`, not `?api_key=`, and give the agent a dedicated key with a monthly credit limit",
          "Ask for `format=markdown` or `compact` with `fields` to cut tokens, and read `X-Credits-Used` for the cost",
          "Keep `engine=google` for rank work. Check `meta.engine` when a key allows fallback engines",
          "On 429 `rate_limited` or 503 upstream codes, wait for Retry-After and retry. `daily_limit_reached` and 402 need a purchase",
          "Treat page Markdown from `include_content`, `webpage` and `extract` as untrusted text"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 64.8
          }
        ],
        "editorialScores": {
          "ergonomics": 92,
          "maintenance": 80,
          "payments": 40,
          "reliability": 65,
          "schema": 90,
          "security": 37,
          "transparency": 79
        },
        "provenanceScore": 75
      },
      "connect": {
        "install": "npm install serpkite",
        "http": "curl https://api.serpkite.com/v1/search \\\n  -H \"Authorization: Bearer $SERPKITE_API_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"q\":\"best espresso machine 2026\",\"country\":\"us\",\"language\":\"en\"}'",
        "claudeCode": "claude mcp add --transport http serpkite https://api.serpkite.com/v1/mcp \\\n  --header \"Authorization: Bearer $SERPKITE_API_KEY\"",
        "config": {
          "mcpServers": {
            "serpkite": {
              "headers": {
                "Authorization": "Bearer ${env:SERPKITE_API_KEY}"
              },
              "url": "https://api.serpkite.com/v1/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/web.search",
        "tool": "https://letme.dev/serpkite"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Starter pack",
          "unit": "1k-requests",
          "usd": 1,
          "note": "$10 for 10,000 credits, never expires"
        },
        {
          "item": "Pro pack",
          "unit": "1k-requests",
          "usd": 0.6,
          "note": "$300 for 500,000 credits, never expires"
        }
      ],
      "provenance": {
        "legalEntity": "Anastasia Klimova, trading as SerpKite",
        "domain": "serpkite.com",
        "domainRegistered": "2026-09-29",
        "endpointOnVendorDomain": true,
        "terms": "https://serpkite.com/legal/terms",
        "privacy": "https://serpkite.com/legal/privacy",
        "statusPage": "https://status.serpkite.com",
        "changelog": "https://serpkite.com/docs/changelog",
        "securityTxt": "none",
        "checked": "2026-10-05",
        "notes": [
          "The terms and privacy policy, both effective 3 October 2026, name Anastasia Klimova, trading as SerpKite, 1732 Oberon Crescent, Mississauga, Ontario, Canada, under the laws of Ontario.",
          "RDAP for serpkite.com gives a registration date of 2026-09-29 and Cloudflare, Inc. as registrar.",
          "serpkite.com/.well-known/security.txt returns the site's 404 page. The security page asks for reports by email with acknowledgement in 2 business days and says there's no paid bug bounty.",
          "The MCP registry entry uses the GitHub namespace io.github.SerpKite, not a domain-verified one. The repository's two commits are by the GitHub user nolikzero, and the SDK repositories are committed by serpkite-bot \u003csupport@serpkite.com\u003e.",
          "The subprocessor page lists Polar as merchant of record for earlier orders, which suggests sales before the domain's registration date. We couldn't establish where."
        ],
        "score": 75
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/serpkite.json",
      "live": {
        "slug": "serpkite",
        "probe": {
          "target": "https://api.serpkite.com/v1/search",
          "method": "get",
          "lastAt": "2026-10-06T01:46:36.116160558Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 108,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 137,
          "p95ms24h": 537,
          "samples24h": 19,
          "samples30d": 19,
          "days": [
            {
              "date": "2026-10-06",
              "probes": 19,
              "ok": 19
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.serpkite.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-06T01:26:20.370042831Z"
        },
        "updatedAt": "2026-10-06T01:46:36.116160558Z"
      }
    },
    "answer": "Tavily API + MCP scores 77.2 (BB) on agent readiness against SerpKite's 64.8 (B), and leads in 4 of 7 scored categories. SerpKite leads on agent ergonomics and transparency \u0026 trust.",
    "b": {
      "slug": "tavily-mcp",
      "name": "Tavily API + MCP",
      "vendor": "Tavily",
      "vendorUrl": "https://www.tavily.com",
      "kind": "mcp",
      "category": "search",
      "summary": "Tavily's REST API for web search, URL extraction, site mapping, crawling and cited research reports, with the official MCP server hosted at mcp.tavily.com or run locally from npm.",
      "url": "https://www.anchorterminal.com/tools/tavily-mcp",
      "markdownUrl": "https://www.anchorterminal.com/tools/tavily-mcp.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/tavily-mcp.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/tavily-mcp.json",
      "repo": "https://github.com/tavily-ai/tavily-mcp",
      "license": "MIT",
      "transports": [
        "stdio",
        "streamable-http",
        "http"
      ],
      "remoteUrl": "https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e",
      "packages": [
        {
          "registry": "npm",
          "name": "@tavily/core"
        },
        {
          "registry": "pypi",
          "name": "tavily-python"
        },
        {
          "registry": "npm",
          "name": "tavily-mcp"
        }
      ],
      "auth": "mixed",
      "authNotes": "API key as `Authorization: Bearer tvly-...`. Development keys and production keys have different rate limits, and production keys need a paid plan or pay as you go. The `X-Tavily-Access-Mode: keyless` header gives rate-limited search and extract with no key. x402.tavily.com takes a `PAYMENT-SIGNATURE` header instead. MCP server: API key in the URL query (?tavilyApiKey=) or Authorization header; OAuth flow also supported on the hosted server (uses an mcp_auth_default key from the dashboard).",
      "pricing": "freemium",
      "pricingNotes": "Free 1,000 credits a month, no card. Project $30 a month (4,000 credits), Bootstrap $100 (15,000), Startup $220 (38,000), Growth $500 (100,000), pay as you go $0.008 a credit. Basic search 1 credit, advanced 2, extract 1 per 5 URLs (advanced 2), map 1 per 10 pages, crawl is map plus extract, research 4 to 250 credits by model. Failed extracts and maps aren't charged (https://www.tavily.com/pricing).",
      "priceSummary": "$7.50 / 1k req",
      "where": "both",
      "x402": {
        "level": "partial",
        "evidence": "Official x402 endpoint at x402.tavily.com sells POST /search in advanced mode only, $0.01 in USDC on Base. An unpaid request returned 402 and /.well-known/pricing listed the price on 2026-09-30. Extract, map, crawl and research aren't sold over x402 (https://docs.tavily.com/documentation/machine-payments/x402.md)",
        "endpoints": [
          {
            "url": "https://x402.tavily.com/search",
            "priceUsd": 0.01,
            "network": "eip155:8453"
          }
        ]
      },
      "toolCount": 5,
      "popularity": {
        "githubStars": 2400,
        "npmWeekly": 451969,
        "pypiWeekly": 1589963,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.tavily.com",
      "llmsTxt": "https://docs.tavily.com/llms.txt",
      "openapi": "https://docs.tavily.com/documentation/api-reference/openapi.json",
      "registryName": "io.github.tavily-ai/tavily-mcp",
      "capabilities": [
        "web.search",
        "web.extract",
        "web.crawl",
        "web.fetch",
        "search.answer",
        "search.research",
        "search.news",
        "search.images"
      ],
      "tags": [
        "official",
        "hosted",
        "local",
        "open-source",
        "freemium",
        "llms-txt",
        "no-card",
        "free-tier",
        "x402",
        "openapi",
        "python",
        "typescript",
        "async-jobs",
        "enterprise",
        "mcp"
      ],
      "lastRelease": "2026-09-18",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 77.2,
        "grade": "BB",
        "agentReady": true,
        "rank": 17,
        "ranked": true,
        "rankOf": 460,
        "categoryRank": 1,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 81,
          "maintenance": 85,
          "payments": 75,
          "reliability": 90,
          "schema": 89,
          "security": 52,
          "transparency": 65
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-04"
        },
        "negative": 0,
        "verdict": "Keyless search and extract, plus a free 1,000 credits a month with no card. x402 covers advanced search only, not extract, map, crawl or research.",
        "bestFor": "An agent that needs search plus page text in one call and has no account yet.",
        "strengths": [
          "Keyless search and extract, plus a free 1,000 credits a month with no card",
          "x402 endpoint for advanced search at $0.01 in USDC on Base",
          "Public OpenAPI, llms.txt and an error table that tells plan limits (432) from pay-as-you-go limits (433)",
          "429 carries Retry-After, with limits published per key type and endpoint",
          "Logs API filters calls by key and endpoint"
        ],
        "weaknesses": [
          "x402 covers advanced search only, not extract, map, crawl or research",
          "Hosted MCP docs lead with `?tavilyApiKey=` in the URL query string",
          "No readOnlyHint or destructiveHint on the MCP tools, and the npm server (0.2.22, 5 August 2026) trails the GitHub source",
          "Privacy policy lets query data improve future responses unless a contract says otherwise, with no zero-retention option found",
          "SLAs named only for the custom Enterprise plan, and no security.txt or deprecation policy found"
        ],
        "agentNotes": [
          "Try `X-Tavily-Access-Mode: keyless` first for search and extract. Over MCP, the keyless cap arrives as plain text without `isError`, so read the text before treating it as results",
          "Send the key in `Authorization: Bearer`, not `?tavilyApiKey=` in the MCP URL",
          "On 429, wait for `Retry-After`. A 432 or 433 means a spend limit, and retrying won't help",
          "Run /map before /crawl to bound the crawl, since crawl is billed as map plus extract",
          "Research is async and runs 4 to 250 credits. Create the task, then poll /research/{request_id}"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 8,
        "avgRating": 3.6,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 77.2
          }
        ],
        "editorialScores": {
          "ergonomics": 81,
          "maintenance": 85,
          "payments": 75,
          "reliability": 90,
          "schema": 89,
          "security": 52,
          "transparency": 47
        },
        "provenanceScore": 82
      },
      "connect": {
        "http": "curl -X POST https://api.tavily.com/search \\\n  -H \"Authorization: Bearer $TAVILY_API_KEY\" -H \"Content-Type: application/json\" \\\n  -d '{\"query\":\"latest AI news\",\"max_results\":5}'",
        "claudeCode": "claude mcp add --transport http tavily https://mcp.tavily.com/mcp/ --header \"Authorization: Bearer ${TAVILY_API_KEY}\"",
        "config": {
          "mcpServers": {
            "tavily": {
              "headers": {
                "Authorization": "Bearer ${TAVILY_API_KEY}"
              },
              "url": "https://mcp.tavily.com/mcp/"
            }
          }
        },
        "x402": "curl -i -X POST https://x402.tavily.com/search -H 'content-type: application/json' -d '{\"query\":\"Who is Leo Messi?\"}'\n# HTTP/2 402, PAYMENT-REQUIRED header carries the terms (10000 base units of USDC on eip155:8453)\n# retry with PAYMENT-SIGNATURE: \u003cbase64 signed authorization\u003e"
      },
      "letme": {
        "capability": "https://letme.dev/web.search",
        "tool": "https://letme.dev/tavily-mcp"
      },
      "area": "web-data",
      "unitPrices": [
        {
          "item": "Basic search on Project plan",
          "unit": "1k-requests",
          "usd": 7.5,
          "note": "1 credit a search at $0.0075 a credit"
        },
        {
          "item": "Project plan",
          "unit": "month",
          "usd": 30,
          "note": "4,000 credits"
        },
        {
          "item": "Bootstrap plan",
          "unit": "month",
          "usd": 100,
          "note": "15,000 credits"
        },
        {
          "item": "Credit, pay as you go",
          "unit": "credit",
          "usd": 0.008,
          "note": "basic search 1 credit, advanced 2"
        }
      ],
      "provenance": {
        "legalEntity": "AlphaAI Technologies Inc. dba Tavily",
        "domain": "tavily.com",
        "domainRegistered": "2023-04-13",
        "endpointOnVendorDomain": true,
        "terms": "https://www.tavily.com/terms",
        "privacy": "https://www.tavily.com/privacy",
        "statusPage": "https://status.tavily.com",
        "changelog": "https://docs.tavily.com/changelog",
        "securityTxt": "none",
        "checked": "2026-10-04",
        "score": 82
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/tavily-mcp.json",
      "live": {
        "slug": "tavily-mcp",
        "probe": {
          "target": "https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e",
          "method": "mcp-initialize",
          "lastAt": "2026-10-06T01:46:36.834586125Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 246,
          "lastNote": "initialize answered",
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 256,
          "p95ms24h": 315,
          "samples24h": 273,
          "samples30d": 2349,
          "days": [
            {
              "date": "2026-09-27",
              "probes": 132,
              "ok": 132
            },
            {
              "date": "2026-09-28",
              "probes": 285,
              "ok": 285
            },
            {
              "date": "2026-09-29",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-09-30",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 21,
              "ok": 21
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.tavily.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-06T01:47:30.451961901Z"
        },
        "versions": [
          {
            "registry": "mcp-registry",
            "name": "io.github.tavily-ai/tavily-mcp",
            "version": "0.2.15",
            "seenAt": "2026-10-05T23:55:54.568086057Z"
          },
          {
            "registry": "npm",
            "name": "@tavily/core",
            "version": "0.7.13",
            "seenAt": "2026-10-05T17:06:40.488071941Z"
          },
          {
            "registry": "npm",
            "name": "tavily-mcp",
            "version": "0.2.22",
            "seenAt": "2026-10-05T17:06:41.064038866Z"
          },
          {
            "registry": "pypi",
            "name": "tavily-python",
            "version": "0.8.4",
            "released": "2026-09-18",
            "seenAt": "2026-10-05T17:06:40.884172564Z"
          }
        ],
        "githubStars": 2417,
        "npmWeekly": 472271,
        "pypiWeekly": 1688928,
        "securityTxt": {
          "url": "https://tavily.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-05T15:16:29.366028393Z"
        },
        "llmsTxt": {
          "url": "https://docs.tavily.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-05T15:19:30.831330756Z"
        },
        "domain": {
          "domain": "tavily.com",
          "registered": "2023-04-13",
          "source": "https://rdap.verisign.com/com/v1/domain/tavily.com",
          "checkedAt": "2026-10-04T13:10:11.715455706Z"
        },
        "pages": [
          {
            "url": "https://docs.tavily.com/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-05T15:56:25.208759491Z",
            "changedAt": "2026-10-01T13:13:02.472584343Z",
            "fingerprint": "b80e278c1058"
          },
          {
            "url": "https://www.tavily.com/pricing",
            "kind": "pricing",
            "status": 200,
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            "changedAt": "2026-10-01T13:18:40.634970947Z",
            "fingerprint": "a7eb93565f03"
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          {
            "url": "https://www.tavily.com/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-05T16:04:45.493102543Z",
            "changedAt": "2026-10-01T13:18:42.856868801Z",
            "fingerprint": "7d1afba1cbc9"
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          {
            "url": "https://www.tavily.com/terms",
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            "status": 200,
            "checkedAt": "2026-10-05T16:04:47.508197448Z",
            "changedAt": "2026-10-01T13:18:44.802104507Z",
            "fingerprint": "14aecf61290a"
          }
        ],
        "mcpTools": {
          "url": "https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e",
          "checkedAt": "2026-10-05T22:31:13.867565617Z",
          "status": "ok",
          "protocol": "2026-07-28",
          "tools": [
            {
              "name": "tavily_search",
              "title": "Tavily Search",
              "description": "Search the web for current information on any topic. Use for news, facts, or data beyond your knowledge cutoff. Returns snippets and source URLs.",
              "inputSchema": {
                "additionalProperties": false,
                "properties": {
                  "country": {
                    "default": "",
                    "description": "Boost search results from a specific country. Must be a full country name (e.g., 'United States', 'Japan', 'Germany'). ISO country codes (e.g., 'us', 'jp') are not supported. Available only if topic is general. See https://docs.tavily.com/documentation/api-reference/search for the full list of supported countries.",
                    "type": "string"
                  },
                  "end_date": {
                    "default": "",
                    "description": "Will return all results before the specified end date. Required to be written in the format YYYY-MM-DD",
                    "type": "string"
                  },
                  "exact_match": {
                    "anyOf": [
                      {
                        "type": "boolean"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "default": null,
                    "description": "Only return results containing the exact phrase(s) in quotes in your query"
                  },
                  "exclude_domains": {
                    "default": [],
                    "description": "List of domains to specifically exclude, if the user asks to exclude a domain set this to the domain of the site",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "include_domains": {
                    "default": [],
                    "description": "A list of domains to specifically include in the search results, if the user asks to search on specific sites set this to the domain of the site",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "include_favicon": {
                    "default": false,
                    "description": "Whether to include the favicon URL for each result",
                    "type": "boolean"
                  },
                  "include_image_descriptions": {
                    "default": false,
                    "description": "Include a list of query-related images and their descriptions in the response",
                    "type": "boolean"
                  },
                  "include_images": {
                    "default": false,
                    "description": "Include a list of query-related images in the response",
                    "type": "boolean"
                  },
                  "include_raw_content": {
                    "default": false,
                    "description": "Include the cleaned and parsed HTML content of each search result",
                    "type": "boolean"
                  },
                  "max_results": {
                    "default": 5,
                    "description": "The maximum number of search results to return",
                    "type": "integer"
                  },
                  "query": {
                    "description": "Search query",
                    "type": "string"
                  },
                  "search_depth": {
                    "default": "basic",
                    "description": "The depth of the search. 'basic' for generic results, 'advanced' for more thorough search, 'fast' for optimized low latency with high relevance, 'ultra-fast' for prioritizing latency above all else",
                    "enum": [
                      "basic",
                      "advanced",
                      "fast",
                      "ultra-fast"
                    ],
                    "type": "string"
                  },
                  "start_date": {
                    "default": "",
                    "description": "Will return all results after the specified start date. Required to be written in the format YYYY-MM-DD.",
                    "type": "string"
                  },
                  "time_range": {
                    "anyOf": [
                      {
                        "enum": [
                          "day",
                          "week",
                          "month",
                          "year"
                        ],
                        "type": "string"
                      },
                      {
                        "type": "null"
                      }
                    ],
                    "default": null,
                    "description": "The time range back from the current date to include in the search results"
                  },
                  "topic": {
                    "const": "general",
                    "default": "general",
                    "description": "The category of the search. This will determine which of our agents will be used for the search",
                    "type": "string"
                  }
                },
                "required": [
                  "query"
                ],
                "type": "object"
              },
              "outputSchema": {
                "additionalProperties": true,
                "type": "object"
              },
              "annotations": {
                "destructiveHint": false,
                "idempotentHint": false,
                "openWorldHint": true,
                "readOnlyHint": true
              }
            },
            {
              "name": "tavily_extract",
              "title": "Tavily Extract",
              "description": "Extract content from URLs. Returns raw page content in markdown or text format.",
              "inputSchema": {
                "additionalProperties": false,
                "properties": {
                  "extract_depth": {
                    "default": "basic",
                    "description": "Use 'advanced' for LinkedIn, protected sites, or tables/embedded content",
                    "enum": [
                      "basic",
                      "advanced"
                    ],
                    "type": "string"
                  },
                  "format": {
                    "default": "markdown",
                    "description": "Output format",
                    "enum": [
                      "markdown",
                      "text"
                    ],
                    "type": "string"
                  },
                  "include_favicon": {
                    "default": false,
                    "description": "Include favicon URLs",
                    "type": "boolean"
                  },
                  "include_images": {
                    "default": false,
                    "description": "Include images from pages",
                    "type": "boolean"
                  },
                  "query": {
                    "default": "",
                    "description": "Query to rerank content chunks by relevance",
                    "type": "string"
                  },
                  "urls": {
                    "description": "List of URLs to extract content from",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "urls"
                ],
                "type": "object"
              },
              "outputSchema": {
                "additionalProperties": true,
                "type": "object"
              },
              "annotations": {
                "destructiveHint": false,
                "idempotentHint": false,
                "openWorldHint": true,
                "readOnlyHint": true
              }
            },
            {
              "name": "tavily_crawl",
              "title": "Tavily Crawl",
              "description": "Crawl a website starting from a URL. Extracts content from pages with configurable depth and breadth.",
              "inputSchema": {
                "additionalProperties": false,
                "properties": {
                  "allow_external": {
                    "default": true,
                    "description": "Whether to return external links in the final response",
                    "type": "boolean"
                  },
                  "extract_depth": {
                    "default": "basic",
                    "description": "Advanced extraction retrieves more data, including tables and embedded content, with higher success but may increase latency",
                    "enum": [
                      "basic",
                      "advanced"
                    ],
                    "type": "string"
                  },
                  "format": {
                    "default": "markdown",
                    "description": "The format of the extracted web page content. markdown returns content in markdown format. text returns plain text and may increase latency.",
                    "enum": [
                      "markdown",
                      "text"
                    ],
                    "type": "string"
                  },
                  "include_favicon": {
                    "default": false,
                    "description": "Whether to include the favicon URL for each result",
                    "type": "boolean"
                  },
                  "instructions": {
                    "default": "",
                    "description": "Natural language instructions for the crawler. Instructions specify which types of pages the crawler should return.",
                    "type": "string"
                  },
                  "limit": {
                    "default": 50,
                    "description": "Total number of links the crawler will process before stopping",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "max_breadth": {
                    "default": 20,
                    "description": "Max number of links to follow per level of the tree (i.e., per page)",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "max_depth": {
                    "default": 1,
                    "description": "Max depth of the crawl. Defines how far from the base URL the crawler can explore.",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "select_domains": {
                    "default": [],
                    "description": "Regex patterns to restrict crawling to specific domains or subdomains (e.g., ^docs\\.example\\.com$)",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "select_paths": {
                    "default": [],
                    "description": "Regex patterns to select only URLs with specific path patterns (e.g., /docs/.*, /api/v1.*)",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "url": {
                    "description": "The root URL to begin the crawl",
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "outputSchema": {
                "additionalProperties": true,
                "type": "object"
              },
              "annotations": {
                "destructiveHint": false,
                "idempotentHint": false,
                "openWorldHint": true,
                "readOnlyHint": true
              }
            },
            {
              "name": "tavily_map",
              "title": "Tavily Map",
              "description": "Map a website's structure. Returns a list of URLs found starting from the base URL.",
              "inputSchema": {
                "additionalProperties": false,
                "properties": {
                  "allow_external": {
                    "default": true,
                    "description": "Whether to return external links in the final response",
                    "type": "boolean"
                  },
                  "instructions": {
                    "default": "",
                    "description": "Natural language instructions for the crawler",
                    "type": "string"
                  },
                  "limit": {
                    "default": 50,
                    "description": "Total number of links the crawler will process before stopping",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "max_breadth": {
                    "default": 20,
                    "description": "Max number of links to follow per level of the tree (i.e., per page)",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "max_depth": {
                    "default": 1,
                    "description": "Max depth of the mapping. Defines how far from the base URL the crawler can explore",
                    "minimum": 1,
                    "type": "integer"
                  },
                  "select_domains": {
                    "default": [],
                    "description": "Regex patterns to restrict crawling to specific domains or subdomains (e.g., ^docs\\.example\\.com$)",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "select_paths": {
                    "default": [],
                    "description": "Regex patterns to select only URLs with specific path patterns (e.g., /docs/.*, /api/v1.*)",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "url": {
                    "description": "The root URL to begin the mapping",
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ],
                "type": "object"
              },
              "outputSchema": {
                "additionalProperties": true,
                "type": "object"
              },
              "annotations": {
                "destructiveHint": false,
                "idempotentHint": false,
                "openWorldHint": true,
                "readOnlyHint": true
              }
            },
            {
              "name": "tavily_research",
              "title": "Tavily Research",
              "description": "Perform comprehensive research on a given topic or question. Use this tool when you need to gather information from multiple sources, including web pages, documents, and other resources, to answer a question or complete a task. Returns a detailed response based on the research findings. Rate limit: 20 requests per minute.",
              "inputSchema": {
                "additionalProperties": false,
                "properties": {
                  "input": {
                    "description": "A comprehensive description of the research task",
                    "type": "string"
                  },
                  "model": {
                    "default": "auto",
                    "description": "Defines the degree of depth of the research. 'mini' is good for narrow tasks with few subtopics. 'pro' is good for broad tasks with many subtopics",
                    "enum": [
                      "mini",
                      "pro",
                      "auto"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "input"
                ],
                "type": "object"
              },
              "outputSchema": {
                "additionalProperties": true,
                "type": "object"
              },
              "annotations": {
                "destructiveHint": false,
                "idempotentHint": false,
                "openWorldHint": true,
                "readOnlyHint": true
              }
            }
          ],
          "schemaTokens": 2262,
          "changedAt": "2026-09-28T21:55:54.996628221Z",
          "check": {
            "checker": "anchor-check/1.0",
            "totalTokens": 2262,
            "counts": {
              "error": 0,
              "note": 0,
              "warn": 1
            },
            "findings": [
              {
                "rule": "TC14",
                "severity": "warn",
                "tool": "tavily_search",
                "message": "allowed values are in the description, not an enum: country",
                "fix": "Move them into enum."
              }
            ]
          }
        },
        "updatedAt": "2026-10-06T01:47:30.451961901Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "MCP server",
        "name": "Kind"
      },
      {
        "a": "SerpKite (Anastasia Klimova, trading as SerpKite)",
        "b": "Tavily",
        "name": "Vendor"
      },
      {
        "a": "https://api.serpkite.com/v1/search",
        "b": "https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP, Streamable HTTP",
        "b": "stdio, Streamable HTTP, HTTP",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Freemium",
        "name": "Pricing"
      },
      {
        "a": "not published",
        "b": "$7.50 per 1,000 requests",
        "name": "Price for web search"
      },
      {
        "a": "no",
        "b": "payer tooling only",
        "name": "x402"
      },
      {
        "a": "Proprietary service under SerpKite's terms of service. The SDKs (TypeScript, Python, Go, LangChain, Vercel AI SDK) and the MCP connection repository on GitHub are MIT",
        "b": "MIT",
        "name": "Licence"
      },
      {
        "a": "14",
        "b": "5",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "io.github.SerpKite/serpkite",
        "b": "io.github.tavily-ai/tavily-mcp",
        "name": "MCP registry"
      },
      {
        "a": "2026-10-04",
        "b": "2026-09-18",
        "name": "Last release"
      },
      {
        "a": "809 npm/wk, 376 PyPI/wk",
        "b": "2.4k stars, 452k npm/wk, 1.6M PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "3.5/5 (2)",
        "b": "3.6/5 (8)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Tavily API + MCP scores 77.2 (BB) on agent readiness against SerpKite's 64.8 (B), and leads in 4 of 7 scored categories. SerpKite leads on agent ergonomics and transparency \u0026 trust.",
        "question": "Which is better for AI agents, SerpKite or Tavily API + MCP?"
      },
      {
        "answer": "SerpKite needs an API key. Tavily API + MCP takes an API key or an OAuth sign-in.",
        "question": "Do SerpKite and Tavily API + MCP need an API key?"
      },
      {
        "answer": "Yes. SerpKite has a hosted endpoint at https://api.serpkite.com/v1/search and Tavily API + MCP at https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e.",
        "question": "Can an agent call SerpKite and Tavily API + MCP without installing anything?"
      },
      {
        "answer": "No open-source release is listed for SerpKite. Tavily API + MCP is open source (MIT).",
        "question": "Are SerpKite and Tavily API + MCP open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Agent ergonomics, 92 against 81",
          "Transparency \u0026 trust, 77 against 65"
        ],
        "also": null,
        "goodFor": "Agents that want Google results and the top pages as Markdown in one call at a low per-1,000 price, with spend caps per key.",
        "slug": "serpkite",
        "watchFor": "Launched 29 September 2026 by a sole trader, with status monitoring only since 2 October"
      },
      {
        "aheadOn": [
          "Reliability, 90 against 65",
          "Security \u0026 auth, 52 against 37",
          "Payments \u0026 pricing, 75 against 40",
          "Maintenance \u0026 community, 85 against 80"
        ],
        "also": [
          "Agent-ready, a grade of BB or better",
          "Runs on your own machine",
          "Open source",
          "No incidents deducted, where SerpKite loses 3 points for them"
        ],
        "goodFor": "An agent that needs search plus page text in one call and has no account yet.",
        "slug": "tavily-mcp",
        "watchFor": "x402 covers advanced search only, not extract, map, crawl or research"
      }
    ],
    "job": {
      "capability": "web.search",
      "name": "Web search"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/brave-search-mcp-vs-serpkite.json",
        "title": "Brave Search API + MCP vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/brave-search-mcp-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/brave-search-mcp-vs-tavily-mcp.json",
        "title": "Brave Search API + MCP vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/brave-search-mcp-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-web-search-vs-serpkite.json",
        "title": "Cloudflare Web Search API vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/cloudflare-web-search-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/cloudflare-web-search-vs-tavily-mcp.json",
        "title": "Cloudflare Web Search API vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/cloudflare-web-search-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/exa-mcp-vs-serpkite.json",
        "title": "Exa API + MCP vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/exa-mcp-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/exa-mcp-vs-tavily-mcp.json",
        "title": "Exa API + MCP vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/exa-mcp-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/firecrawl-mcp-vs-serpkite.json",
        "title": "Firecrawl MCP vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/firecrawl-mcp-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/firecrawl-mcp-vs-tavily-mcp.json",
        "title": "Firecrawl MCP vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/firecrawl-mcp-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/linkup-vs-serpkite.json",
        "title": "Linkup vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/linkup-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/linkup-vs-tavily-mcp.json",
        "title": "Linkup vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/linkup-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/parallel-search-api-vs-serpkite.json",
        "title": "Parallel Search and Task APIs vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/parallel-search-api-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/parallel-search-api-vs-tavily-mcp.json",
        "title": "Parallel Search and Task APIs vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/parallel-search-api-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/searchapi-io-vs-serpkite.json",
        "title": "SearchAPI.io vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/searchapi-io-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/searchapi-io-vs-tavily-mcp.json",
        "title": "SearchAPI.io vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/searchapi-io-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serpapi-vs-serpkite.json",
        "title": "SerpApi vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/serpapi-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serpapi-vs-tavily-mcp.json",
        "title": "SerpApi vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/serpapi-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serper-vs-serpkite.json",
        "title": "Serper vs SerpKite",
        "url": "https://www.anchorterminal.com/compare/serper-vs-serpkite"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serper-vs-tavily-mcp.json",
        "title": "Serper vs Tavily API + MCP",
        "url": "https://www.anchorterminal.com/compare/serper-vs-tavily-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serpkite-vs-valyu.json",
        "title": "SerpKite vs Valyu",
        "url": "https://www.anchorterminal.com/compare/serpkite-vs-valyu"
      },
      {
        "json": "https://www.anchorterminal.com/compare/serpkite-vs-you-com-api.json",
        "title": "SerpKite vs You.com APIs",
        "url": "https://www.anchorterminal.com/compare/serpkite-vs-you-com-api"
      },
      {
        "json": "https://www.anchorterminal.com/compare/tavily-mcp-vs-valyu.json",
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        "by": 25,
        "edge": "tavily-mcp",
        "key": "reliability",
        "name": "Reliability",
        "serpkite": 65,
        "tavily-mcp": 90,
        "weight": 16
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      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
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      {
        "by": 1,
        "edge": "serpkite",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "serpkite": 90,
        "tavily-mcp": 89,
        "weight": 13
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      {
        "by": 11,
        "edge": "serpkite",
        "key": "ergonomics",
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        "serpkite": 92,
        "tavily-mcp": 81,
        "weight": 13
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      {
        "by": 15,
        "edge": "tavily-mcp",
        "key": "security",
        "name": "Security \u0026 auth",
        "serpkite": 37,
        "tavily-mcp": 52,
        "weight": 14
      },
      {
        "by": 35,
        "edge": "tavily-mcp",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "serpkite": 40,
        "tavily-mcp": 75,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
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        "edge": "tavily-mcp",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "serpkite": 80,
        "tavily-mcp": 85,
        "weight": 7
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        "by": 12,
        "edge": "serpkite",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "serpkite": 77,
        "tavily-mcp": 65,
        "weight": 7
      }
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    "verdicts": {
      "serpkite": "Google SERP API with an OpenAPI 3.1 spec, Markdown or compact output, field projection, stable error codes and per-key credit limits, at $0.60 to $1.00 per 1,000 on packs that don't expire. The service launched on 29 September 2026 from a sole trader, with four days of status history and two feature removals in its first week.",
      "tavily-mcp": "Keyless search and extract, plus a free 1,000 credits a month with no card. x402 covers advanced search only, not extract, map, crawl or research."
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  "markdown": "Tavily API + MCP scores 77.2 (BB) on agent readiness against SerpKite's 64.8 (B), and leads in 4 of 7 scored categories. SerpKite leads on agent ergonomics and transparency \u0026 trust. Both do web search.\n\n- SerpKite: grade B, 64.8/100, rank #179 of 460. Markdown https://www.anchorterminal.com/tools/serpkite.md · JSON https://www.anchorterminal.com/api/v1/tools/serpkite.json\n- Tavily API + MCP: grade BB, 77.2/100, rank #17 of 460. Markdown https://www.anchorterminal.com/tools/tavily-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/tavily-mcp.json\n\n## Which one, for what\n\n### SerpKite (B)\n\nGood for: Agents that want Google results and the top pages as Markdown in one call at a low per-1,000 price, with spend caps per key.\n\nAhead on:\n- Agent ergonomics, 92 against 81\n- Transparency \u0026 trust, 77 against 65\n\nWatch for: Launched 29 September 2026 by a sole trader, with status monitoring only since 2 October\n\n### Tavily API + MCP (BB)\n\nGood for: An agent that needs search plus page text in one call and has no account yet.\n\nAhead on:\n- Reliability, 90 against 65\n- Security \u0026 auth, 52 against 37\n- Payments \u0026 pricing, 75 against 40\n- Maintenance \u0026 community, 85 against 80\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Runs on your own machine\n- Open source\n- No incidents deducted, where SerpKite loses 3 points for them\n\nWatch for: x402 covers advanced search only, not extract, map, crawl or research\n\n\n## Score by category\n\n| Category | Weight | SerpKite | Tavily API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 65 | 90 | Tavily API + MCP +25 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 90 | 89 | SerpKite +1 |\n| Agent ergonomics | 13% (16.2 this run) | 92 | 81 | SerpKite +11 |\n| Security \u0026 auth | 14% (17.5 this run) | 37 | 52 | Tavily API + MCP +15 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 75 | Tavily API + MCP +35 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 80 | 85 | Tavily API + MCP +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 77 | 65 | SerpKite +12 |\n| Negative events | ≤15 | -3 | 0 | |\n| **Total** | | **64.8 · B** | **77.2 · BB** | |\n\n## Facts side by side\n\n| Fact | SerpKite | Tavily API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | MCP server |\n| Vendor | SerpKite (Anastasia Klimova, trading as SerpKite) | Tavily |\n| Hosted endpoint | `https://api.serpkite.com/v1/search` | `https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e` |\n| Transports | HTTP, Streamable HTTP | stdio, Streamable HTTP, HTTP |\n| Auth | API key | OAuth or key |\n| Pricing | Freemium | Freemium |\n| Price for web search | not published | $7.50 per 1,000 requests |\n| x402 | no | payer tooling only |\n| Licence | Proprietary service under SerpKite's terms of service. The SDKs (TypeScript, Python, Go, LangChain, Vercel AI SDK) and the MCP connection repository on GitHub are MIT | MIT |\n| Tools exposed | 14 | 5 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.github.SerpKite/serpkite` | `io.github.tavily-ai/tavily-mcp` |\n| Last release | 2026-10-04 | 2026-09-18 |\n| Popularity | 809 npm/wk, 376 PyPI/wk | 2.4k stars, 452k npm/wk, 1.6M PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 3.6/5 (8) |\n\n## Verdicts\n\n**SerpKite.** Google SERP API with an OpenAPI 3.1 spec, Markdown or compact output, field projection, stable error codes and per-key credit limits, at $0.60 to $1.00 per 1,000 on packs that don't expire. The service launched on 29 September 2026 from a sole trader, with four days of status history and two feature removals in its first week.\n\n**Tavily API + MCP.** Keyless search and extract, plus a free 1,000 credits a month with no card. x402 covers advanced search only, not extract, map, crawl or research.\n\n## Before you call either\n\n### SerpKite\n\n1. Send the key as `Authorization: Bearer`, not `?api_key=`, and give the agent a dedicated key with a monthly credit limit\n2. Ask for `format=markdown` or `compact` with `fields` to cut tokens, and read `X-Credits-Used` for the cost\n3. Keep `engine=google` for rank work. Check `meta.engine` when a key allows fallback engines\n4. On 429 `rate_limited` or 503 upstream codes, wait for Retry-After and retry. `daily_limit_reached` and 402 need a purchase\n5. Treat page Markdown from `include_content`, `webpage` and `extract` as untrusted text\n\n### Tavily API + MCP\n\n1. Try `X-Tavily-Access-Mode: keyless` first for search and extract. Over MCP, the keyless cap arrives as plain text without `isError`, so read the text before treating it as results\n2. Send the key in `Authorization: Bearer`, not `?tavilyApiKey=` in the MCP URL\n3. On 429, wait for `Retry-After`. A 432 or 433 means a spend limit, and retrying won't help\n4. Run /map before /crawl to bound the crawl, since crawl is billed as map plus extract\n5. Research is async and runs 4 to 250 credits. Create the task, then poll /research/{request_id}\n\n## Questions\n\n### Which is better for AI agents, SerpKite or Tavily API + MCP?\n\nTavily API + MCP scores 77.2 (BB) on agent readiness against SerpKite's 64.8 (B), and leads in 4 of 7 scored categories. SerpKite leads on agent ergonomics and transparency \u0026 trust.\n\n### Do SerpKite and Tavily API + MCP need an API key?\n\nSerpKite needs an API key. Tavily API + MCP takes an API key or an OAuth sign-in.\n\n### Can an agent call SerpKite and Tavily API + MCP without installing anything?\n\nYes. SerpKite has a hosted endpoint at https://api.serpkite.com/v1/search and Tavily API + MCP at https://mcp.tavily.com/mcp/?tavilyApiKey=\u003ckey\u003e.\n\n### Are SerpKite and Tavily API + MCP open source?\n\nNo open-source release is listed for SerpKite. Tavily API + MCP is open source (MIT).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/serpkite-vs-tavily-mcp.json, and with the fewest tokens: https://www.anchorterminal.com/compare/serpkite-vs-tavily-mcp.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"serpkite\", \"b\": \"tavily-mcp\"}`. From a terminal: `anchor compare serpkite tavily-mcp`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/serpkite.json and https://www.anchorterminal.com/api/v1/tools/tavily-mcp.json\n\n## Other comparisons with SerpKite or Tavily API + MCP\n\n- [Brave Search API + MCP vs SerpKite](https://www.anchorterminal.com/compare/brave-search-mcp-vs-serpkite.md)\n- [Brave Search API + MCP vs Tavily API + MCP](https://www.anchorterminal.com/compare/brave-search-mcp-vs-tavily-mcp.md)\n- [Cloudflare Web Search API vs SerpKite](https://www.anchorterminal.com/compare/cloudflare-web-search-vs-serpkite.md)\n- [Cloudflare Web Search API vs Tavily API + MCP](https://www.anchorterminal.com/compare/cloudflare-web-search-vs-tavily-mcp.md)\n- [Exa API + MCP vs SerpKite](https://www.anchorterminal.com/compare/exa-mcp-vs-serpkite.md)\n- [Exa API + MCP vs Tavily API + MCP](https://www.anchorterminal.com/compare/exa-mcp-vs-tavily-mcp.md)\n- [Firecrawl MCP vs SerpKite](https://www.anchorterminal.com/compare/firecrawl-mcp-vs-serpkite.md)\n- [Firecrawl MCP vs Tavily API + MCP](https://www.anchorterminal.com/compare/firecrawl-mcp-vs-tavily-mcp.md)\n- [Linkup vs SerpKite](https://www.anchorterminal.com/compare/linkup-vs-serpkite.md)\n- [Linkup vs Tavily API + MCP](https://www.anchorterminal.com/compare/linkup-vs-tavily-mcp.md)\n- [Parallel Search and Task APIs vs SerpKite](https://www.anchorterminal.com/compare/parallel-search-api-vs-serpkite.md)\n- [Parallel Search and Task APIs vs Tavily API + MCP](https://www.anchorterminal.com/compare/parallel-search-api-vs-tavily-mcp.md)\n- [SearchAPI.io vs SerpKite](https://www.anchorterminal.com/compare/searchapi-io-vs-serpkite.md)\n- [SearchAPI.io vs Tavily API + MCP](https://www.anchorterminal.com/compare/searchapi-io-vs-tavily-mcp.md)\n- [SerpApi vs SerpKite](https://www.anchorterminal.com/compare/serpapi-vs-serpkite.md)\n- [SerpApi vs Tavily API + MCP](https://www.anchorterminal.com/compare/serpapi-vs-tavily-mcp.md)\n- [Serper vs SerpKite](https://www.anchorterminal.com/compare/serper-vs-serpkite.md)\n- [Serper vs Tavily API + MCP](https://www.anchorterminal.com/compare/serper-vs-tavily-mcp.md)\n- [SerpKite vs Valyu](https://www.anchorterminal.com/compare/serpkite-vs-valyu.md)\n- [SerpKite vs You.com APIs](https://www.anchorterminal.com/compare/serpkite-vs-you-com-api.md)\n- [Tavily API + MCP vs Valyu](https://www.anchorterminal.com/compare/tavily-mcp-vs-valyu.md)\n- [Tavily API + MCP vs You.com APIs](https://www.anchorterminal.com/compare/tavily-mcp-vs-you-com-api.md)\n- [Fetch (MCP reference server) vs SerpKite](https://www.anchorterminal.com/compare/fetch-reference-server-vs-serpkite.md)\n- [Fetch (MCP reference server) vs Tavily API + MCP](https://www.anchorterminal.com/compare/fetch-reference-server-vs-tavily-mcp.md)\n",
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