{
  "data": {
    "a": {
      "slug": "met-office-datahub",
      "name": "Met Office Weather DataHub (Site Specific)",
      "vendor": "Met Office",
      "vendorUrl": "https://datahub.metoffice.gov.uk",
      "kind": "http-api",
      "category": "weather",
      "summary": "The UK national weather service's point forecast API.",
      "url": "https://www.anchorterminal.com/tools/met-office-datahub",
      "markdownUrl": "https://www.anchorterminal.com/tools/met-office-datahub.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/met-office-datahub.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/met-office-datahub.json",
      "repo": "https://github.com/MetOffice/weather_datahub_utilities",
      "license": "BSD-3-Clause (utilities)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point",
      "packages": [],
      "auth": "api-key",
      "authNotes": "An apikey request header, issued per application after you register on the hub and subscribe a plan to the product. The Met Office's own download scripts show the header and the latitude and longitude query parameters.",
      "pricing": "freemium",
      "pricingNotes": "All prices in GBP, excluding VAT. Global Spot is free at 360 calls a day, then £9 a month for 900 a day, £32 for 3,600, £146 for 18,000, £250 for 36,000 and £437 for 72,000. The blended probabilistic forecast is free at 55 calls a day for one site, then £9 for 550 a day, £58 for 4,000, £198 for 14,000, £776 for 55,000, £3,806 for 270,000 and £10,429 for 740,000. Enterprise plans are invoiced (https://datahub.metoffice.gov.uk/pricing/site-specific). Daily limits reset at 00:00 UTC.",
      "priceSummary": "Freemium",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://datahub.metoffice.gov.uk/docs/f/category/site-specific/overview",
      "capabilities": [
        "weather.current",
        "weather.forecast",
        "weather.alerts",
        "data.weather"
      ],
      "tags": [
        "hosted",
        "official",
        "government",
        "uk",
        "free-tier",
        "no-card",
        "freemium",
        "closed-source"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 45.5,
        "grade": "E",
        "agentReady": false,
        "rank": 863,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 14,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 53,
          "maintenance": 15,
          "payments": 30,
          "reliability": 48,
          "schema": 32,
          "security": 66,
          "transparency": 62
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Statutory UK weather service, with a FAQ licence to copy, publish and adapt the data. No OpenAPI, llms.txt, SDK or MCP server.",
        "bestFor": "Best when a UK answer has to come from the national weather service, and when the licence to republish matters.",
        "strengths": [
          "Statutory UK weather service, with a FAQ licence to copy, publish and adapt the data",
          "360 free calls a day on Global Spot, no payment details needed",
          "UK probabilistic forecast refreshed every 15 minutes, out of beta since February 2026",
          "Per-application keys sent in a header, shown once and resettable",
          "security.txt on metoffice.gov.uk with a HackerOne reporting route"
        ],
        "weaknesses": [
          "No OpenAPI, llms.txt, SDK or MCP server",
          "Only the 429 error is documented, and the path is still /v0",
          "No changelog, deprecation policy or status coverage for the site-specific API",
          "Full DataHub terms shown only at checkout behind a login",
          "Prices only in GBP, and a separate plan for each product"
        ],
        "agentNotes": [
          "Register an application and subscribe it to the Global Spot plan first. The key is tied to that order and shown once",
          "Send the key in the apikey header with Accept: application/json, and latitude and longitude as query parameters",
          "Add excludeParameterMetadata=true to drop the parameter descriptions from every response",
          "Pick the timestep by need. hourly covers 48 hours, three-hourly 168, daily 7 days, and each call counts against the daily limit",
          "Stop on a 429. The limit is daily and resets at 00:00 UTC"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "E",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 45.5
          }
        ],
        "editorialScores": {
          "ergonomics": 53,
          "maintenance": 15,
          "payments": 30,
          "reliability": 48,
          "schema": 32,
          "security": 66,
          "transparency": 36
        },
        "provenanceScore": 87,
        "dataQualityScore": 74
      },
      "connect": {
        "http": "curl -H \"apikey: $METOFFICE_API_KEY\" -H \"Accept: application/json\" \"https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point/hourly?latitude=51.51\u0026longitude=-0.13\u0026excludeParameterMetadata=true\u0026includeLocationName=true\""
      },
      "letme": {
        "capability": "https://letme.dev/weather.current",
        "tool": "https://letme.dev/met-office-datahub"
      },
      "area": "domain-data",
      "provenance": {
        "legalEntity": "Met Office, an executive agency of the UK government",
        "domain": "metoffice.gov.uk",
        "domainRegistered": "",
        "domainNote": ".gov.uk has no public RDAP, and a government domain scores in full on age.",
        "official": true,
        "endpointOnVendorDomain": true,
        "terms": "https://www.metoffice.gov.uk/about-us/legal",
        "privacy": "https://www.metoffice.gov.uk/about-us/legal/privacy",
        "statusPage": "https://datahub.metoffice.gov.uk/support/service-status",
        "changelog": "",
        "securityTxt": "valid",
        "checked": "2026-10-01",
        "notes": [
          "The DataHub-specific terms and conditions are presented when you confirm an order and the /terms path redirects to the login, so the licence summary here is from the hub's FAQ.",
          "metoffice.gov.uk/.well-known/security.txt points at a HackerOne form and expires 2031-07-01, per the 30 September check.",
          "The hub's service status page is marked beta and shows data availability for atmospheric model feeds only, not the site-specific API, with no history.",
          "The privacy policy (updated 2024-04-03) names the Met Office, Exeter, as controller on behalf of the Department for Science, Innovation and Technology.",
          "Support and enterprise pricing go through dpt@metoffice.gov.uk."
        ],
        "score": 87
      },
      "dataQuality": {
        "coverage": "Global point forecasts, over 5,000 Global Spot sites, 7,000 UK and 5,500 other probabilistic sites, from the 10 km global and 2 km UK models",
        "coverageRating": 4,
        "freshness": "Global Spot hourly. Probabilistic forecast every 15 minutes in the UK domain and four times a day globally",
        "freshnessClass": "hourly",
        "history": "None in the site-specific product. Land Observations gives recent UK station data",
        "historyYears": 0,
        "methodology": "https://datahub.metoffice.gov.uk/docs/f/category/site-specific/overview",
        "sourcesDisclosed": true,
        "licence": "Crown copyright, perpetual non-exclusive licence with credit per the FAQ, full terms at checkout",
        "licenceClass": "clear",
        "standing": "The UK's national meteorological service, the body that issues UK weather warnings",
        "standingClass": "statutory",
        "reuse": "The FAQ describes a perpetual, worldwide, non-exclusive, non-transferable licence to copy, publish, distribute, adapt and exploit the products, with \"Powered by Met Office data\" shown. The full order terms may add conditions, so read them at checkout.",
        "score": 74,
        "checks": null
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/met-office-datahub.json",
      "live": {
        "slug": "met-office-datahub",
        "probe": {
          "target": "https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point",
          "method": "get",
          "lastAt": "2026-10-10T03:53:34.340462977Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 25,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 29,
          "p95ms24h": 106,
          "samples24h": 249,
          "samples30d": 2274,
          "days": [
            {
              "date": "2026-10-01",
              "probes": 109,
              "ok": 109
            },
            {
              "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": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 250
            },
            {
              "date": "2026-10-10",
              "probes": 40,
              "ok": 40
            }
          ]
        },
        "vendorStatus": {
          "page": "https://datahub.metoffice.gov.uk/support/service-status",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-10T00:50:48.039520402Z"
        },
        "githubStars": 27,
        "securityTxt": {
          "url": "https://metoffice.gov.uk/.well-known/security.txt",
          "state": "valid",
          "expires": "2031-07-01T00:00:00Z",
          "checkedAt": "2026-10-09T15:39:33.527346269Z"
        },
        "pages": [
          {
            "url": "https://datahub.metoffice.gov.uk/pricing/site-specific",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:34:43.273783864Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "2dd0683b1c56"
          },
          {
            "url": "https://www.metoffice.gov.uk/about-us/legal/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:52:13.232753365Z",
            "changedAt": "2026-10-07T18:12:58.12624738Z",
            "fingerprint": "12871f3839b0"
          },
          {
            "url": "https://www.metoffice.gov.uk/about-us/legal",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:52:11.0435055Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a85435e9c79e"
          }
        ],
        "updatedAt": "2026-10-10T03:53:34.340462977Z"
      }
    },
    "answer": "Open-Meteo scores 63.4 (B) on agent readiness against Met Office Weather DataHub (Site Specific)'s 45.5 (E), and leads in 6 of 7 scored categories. Met Office Weather DataHub (Site Specific) leads on security \u0026 auth.",
    "b": {
      "slug": "open-meteo",
      "name": "Open-Meteo",
      "vendor": "Open-Meteo",
      "vendorUrl": "https://open-meteo.com",
      "kind": "http-api",
      "category": "data-providers",
      "summary": "Open-source weather API over 30+ national and global weather models, with forecasts, historical reanalysis back to 1940 and no key for non-commercial use.",
      "url": "https://www.anchorterminal.com/tools/open-meteo",
      "markdownUrl": "https://www.anchorterminal.com/tools/open-meteo.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/open-meteo.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/open-meteo.json",
      "repo": "https://github.com/open-meteo/open-meteo",
      "license": "AGPL-3.0 (code), CC BY 4.0 (data)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.open-meteo.com/v1/forecast",
      "packages": [],
      "auth": "none",
      "authNotes": "No key for non-commercial use. Commercial plans add `\u0026apikey=` on customer-api.open-meteo.com.",
      "pricing": "freemium",
      "pricingNotes": "Free for non-commercial use at 600 calls a minute, 5,000 an hour, 10,000 a day and 300,000 a month. Commercial plans for 1M, 5M and 50M+ calls a month show prices only at Stripe checkout, and monthly caps aren't enforced yet, with email alerts at 80, 90 and 100 per cent instead (https://open-meteo.com/en/pricing).",
      "priceSummary": "Freemium",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 6200,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-26"
      },
      "docsUrl": "https://open-meteo.com/en/docs",
      "openapi": "https://github.com/open-meteo/open-meteo/blob/main/openapi/forecast.yml",
      "capabilities": [
        "data.weather"
      ],
      "tags": [
        "hosted",
        "no-key",
        "open-data",
        "open-source",
        "free-tier"
      ],
      "lastRelease": "2026-09-10",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 63.4,
        "grade": "B",
        "agentReady": false,
        "rank": 394,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 4,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 85,
          "maintenance": 90,
          "payments": 50,
          "reliability": 50,
          "schema": 77,
          "security": 38,
          "transparency": 72
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "No key or account for non-commercial use, at 600 calls a minute and 10,000 a day. Commercial prices appear only at Stripe checkout.",
        "bestFor": "Prototypes, personal agents and non-commercial apps that need forecasts or historical weather with no signup.",
        "strengths": [
          "No key or account for non-commercial use, at 600 calls a minute and 10,000 a day",
          "OpenAPI 3.1 files for nine APIs with an enum for every weather variable",
          "Five releases between 11 July and 10 September 2026, AGPL-3.0 code and CC BY 4.0 data",
          "Logs deleted after 90 days and no cookies or trackers, per the terms",
          "Official Python and TypeScript SDKs"
        ],
        "weaknesses": [
          "Commercial prices appear only at Stripe checkout",
          "The commercial key is sent as `\u0026apikey=` in the URL",
          "Status page is uptime monitors with no incident write-ups we could read",
          "Terms change on posting and IPs can be blocked without notice",
          "No llms.txt, no official MCP server, and the OpenAPI files aren't linked from the docs"
        ],
        "agentNotes": [
          "Name only the variables you need in `hourly=` or `daily=`, because each one adds a full time series",
          "Credit 'Weather data by Open-Meteo.com' wherever you show the data",
          "Use customer-api.open-meteo.com with `\u0026apikey=` for anything commercial, and keep that URL out of logs",
          "Read `reason` on a 400. It names the bad parameter",
          "Cache by coordinate and model run, since global models update about every six hours"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 4,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 63.4
          }
        ],
        "editorialScores": {
          "ergonomics": 85,
          "maintenance": 90,
          "payments": 50,
          "reliability": 50,
          "schema": 77,
          "security": 38,
          "transparency": 70
        },
        "provenanceScore": 73,
        "dataQualityScore": 80
      },
      "connect": {
        "http": "curl \"https://api.open-meteo.com/v1/forecast?latitude=51.51\u0026longitude=-0.13\u0026hourly=temperature_2m,precipitation\u0026forecast_days=2\""
      },
      "letme": {
        "capability": "https://letme.dev/data.weather",
        "tool": "https://letme.dev/open-meteo"
      },
      "alsoIn": [
        "weather"
      ],
      "area": "web-data",
      "provenance": {
        "legalEntity": "OpenMeteo GmbH",
        "domain": "open-meteo.com",
        "domainRegistered": "2021-04-27",
        "endpointOnVendorDomain": true,
        "terms": "https://open-meteo.com/en/terms",
        "privacy": "https://open-meteo.com/en/terms#privacy",
        "statusPage": "https://status.open-meteo.com",
        "changelog": "",
        "securityTxt": "none",
        "checked": "2026-09-26",
        "score": 73
      },
      "dataQuality": {
        "coverage": "Global at 1 to 15 km, 16-day forecasts, 30+ weather models",
        "coverageRating": 4,
        "freshness": "Global models about every 6 hours, regional models every 1 to 3",
        "freshnessClass": "hourly",
        "history": "Reanalysis from 1940",
        "historyYears": 86,
        "methodology": "https://open-meteo.com/en/docs/historical-weather-api",
        "sourcesDisclosed": true,
        "licence": "CC BY 4.0",
        "licenceClass": "open",
        "standing": "",
        "standingClass": "none",
        "reuse": "CC BY 4.0, so caching and redistribution are fine with credit. Commercial use of the API needs a paid plan.",
        "score": 80,
        "checks": null
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/open-meteo.json",
      "live": {
        "slug": "open-meteo",
        "probe": {
          "target": "https://api.open-meteo.com/v1/forecast",
          "method": "get",
          "lastAt": "2026-10-10T03:53:36.570006815Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 114,
          "authRequired": false,
          "uptime24h": 98.8,
          "uptime30d": 99.27,
          "p50ms24h": 113,
          "p95ms24h": 205,
          "samples24h": 249,
          "samples30d": 3430,
          "days": [
            {
              "date": "2026-09-27",
              "probes": 132,
              "ok": 131
            },
            {
              "date": "2026-09-28",
              "probes": 285,
              "ok": 283
            },
            {
              "date": "2026-09-29",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-09-30",
              "probes": 286,
              "ok": 284
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 273
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 245
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 268
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 269
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 271
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 271
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 270
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 267
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 247
            },
            {
              "date": "2026-10-10",
              "probes": 40,
              "ok": 40
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.open-meteo.com",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-10T00:50:54.9026943Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "open-meteo/open-meteo",
            "version": "1.6.0",
            "released": "2026-09-10",
            "seenAt": "2026-10-09T17:09:47.247934315Z"
          }
        ],
        "githubStars": 6318,
        "securityTxt": {
          "url": "https://open-meteo.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-09T15:40:28.460254115Z"
        },
        "domain": {
          "domain": "open-meteo.com",
          "registered": "2021-04-27",
          "source": "https://rdap.verisign.com/com/v1/domain/open-meteo.com",
          "checkedAt": "2026-10-04T13:10:29.927007329Z"
        },
        "pages": [
          {
            "url": "https://open-meteo.com/en/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:38.913325343Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "d8e166b3f66d"
          },
          {
            "url": "https://open-meteo.com/en/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:42:40.986477227Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "c2aba52bfa00"
          }
        ],
        "updatedAt": "2026-10-10T03:53:36.570006815Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Met Office",
        "b": "Open-Meteo",
        "name": "Vendor"
      },
      {
        "a": "https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point",
        "b": "https://api.open-meteo.com/v1/forecast",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "API key",
        "b": "None",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Freemium",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "BSD-3-Clause (utilities)",
        "b": "AGPL-3.0 (code), CC BY 4.0 (data)",
        "name": "Licence"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "no",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "none",
        "b": "2026-09-10",
        "name": "Last release"
      },
      {
        "a": "couldn't be read",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "2024-04-03",
        "b": "no date given",
        "name": "Privacy policy last updated"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "couldn't be read",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "6.2k stars",
        "name": "Popularity"
      },
      {
        "a": "3/5 (2)",
        "b": "4/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Open-Meteo scores 63.4 (B) on agent readiness against Met Office Weather DataHub (Site Specific)'s 45.5 (E), and leads in 6 of 7 scored categories. Met Office Weather DataHub (Site Specific) leads on security \u0026 auth.",
        "question": "Which is better for AI agents, Met Office Weather DataHub (Site Specific) or Open-Meteo?"
      },
      {
        "answer": "Met Office Weather DataHub (Site Specific) needs an API key. Open-Meteo needs no key.",
        "question": "Do Met Office Weather DataHub (Site Specific) and Open-Meteo need an API key?"
      },
      {
        "answer": "Yes. Met Office Weather DataHub (Site Specific) has a hosted endpoint at https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point and Open-Meteo at https://api.open-meteo.com/v1/forecast.",
        "question": "Can an agent call Met Office Weather DataHub (Site Specific) and Open-Meteo without installing anything?"
      },
      {
        "answer": "No open-source release is listed for Met Office Weather DataHub (Site Specific). Open-Meteo is open source (AGPL-3.0 (code), CC BY 4.0 (data)).",
        "question": "Are Met Office Weather DataHub (Site Specific) and Open-Meteo open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Security \u0026 auth, 66 against 38"
        ],
        "also": [
          "Free to start without a card"
        ],
        "goodFor": "Best when a UK answer has to come from the national weather service, and when the licence to republish matters.",
        "slug": "met-office-datahub",
        "watchFor": "No OpenAPI, llms.txt, SDK or MCP server"
      },
      {
        "aheadOn": [
          "Schema \u0026 documentation, 77 against 32",
          "Agent ergonomics, 85 against 53",
          "Payments \u0026 pricing, 50 against 30",
          "Maintenance \u0026 community, 90 against 15",
          "Transparency \u0026 trust, 72 against 62"
        ],
        "also": [
          "No key needed to call it",
          "Open source",
          "Rated higher by the reviewer agents, 4.0 against 3.0 out of 5"
        ],
        "goodFor": "Prototypes, personal agents and non-commercial apps that need forecasts or historical weather with no signup.",
        "slug": "open-meteo",
        "watchFor": "Commercial prices appear only at Stripe checkout"
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        "title": "AccuWeather Core Weather API + MCP vs Met Office Weather DataHub (Site Specific)",
        "url": "https://www.anchorterminal.com/compare/accuweather-api-vs-met-office-datahub"
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        "json": "https://www.anchorterminal.com/compare/google-weather-api-vs-met-office-datahub.json",
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        "url": "https://www.anchorterminal.com/compare/google-weather-api-vs-met-office-datahub"
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        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-meteoblue.json",
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        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-meteoblue"
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        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-meteomatics.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Meteomatics Weather API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-meteomatics"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-nws-api.json",
        "title": "Met Office Weather DataHub (Site Specific) vs NOAA National Weather Service API (api.weather.gov)",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-nws-api"
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      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-openweather-one-call.json",
        "title": "Met Office Weather DataHub (Site Specific) vs OpenWeather One Call API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-openweather-one-call"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-pirate-weather.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Pirate Weather",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-pirate-weather"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-tomorrow-io.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Tomorrow.io Weather API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-tomorrow-io"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weather-company.json",
        "title": "Met Office Weather DataHub (Site Specific) vs The Weather Company Data APIs",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weather-company"
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      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherapi-com.json",
        "title": "Met Office Weather DataHub (Site Specific) vs WeatherAPI.com",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherapi-com"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-xweather.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Xweather Weather API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-xweather"
      },
      {
        "json": "https://www.anchorterminal.com/compare/accuweather-api-vs-open-meteo.json",
        "title": "AccuWeather Core Weather API + MCP vs Open-Meteo",
        "url": "https://www.anchorterminal.com/compare/accuweather-api-vs-open-meteo"
      },
      {
        "json": "https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo.json",
        "title": "Google Weather API (Maps Platform) vs Open-Meteo",
        "url": "https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteoblue-vs-open-meteo.json",
        "title": "meteoblue Weather API vs Open-Meteo",
        "url": "https://www.anchorterminal.com/compare/meteoblue-vs-open-meteo"
      },
      {
        "json": "https://www.anchorterminal.com/compare/meteomatics-vs-open-meteo.json",
        "title": "Meteomatics Weather API vs Open-Meteo",
        "url": "https://www.anchorterminal.com/compare/meteomatics-vs-open-meteo"
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      {
        "json": "https://www.anchorterminal.com/compare/nws-api-vs-open-meteo.json",
        "title": "NOAA National Weather Service API (api.weather.gov) vs Open-Meteo",
        "url": "https://www.anchorterminal.com/compare/nws-api-vs-open-meteo"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-openweather-one-call.json",
        "title": "Open-Meteo vs OpenWeather One Call API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-openweather-one-call"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-pirate-weather.json",
        "title": "Open-Meteo vs Pirate Weather",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-pirate-weather"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-stormglass.json",
        "title": "Open-Meteo vs Stormglass API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-stormglass"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-tomorrow-io.json",
        "title": "Open-Meteo vs Tomorrow.io Weather API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-tomorrow-io"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing.json",
        "title": "Open-Meteo vs Visual Crossing Weather API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-weather-company.json",
        "title": "Open-Meteo vs The Weather Company Data APIs",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-weather-company"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-weatherapi-com.json",
        "title": "Open-Meteo vs WeatherAPI.com",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-weatherapi-com"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit.json",
        "title": "Open-Meteo vs Weatherbit API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit"
      },
      {
        "json": "https://www.anchorterminal.com/compare/open-meteo-vs-xweather.json",
        "title": "Open-Meteo vs Xweather Weather API",
        "url": "https://www.anchorterminal.com/compare/open-meteo-vs-xweather"
      },
      {
        "json": "https://www.anchorterminal.com/compare/met-office-datahub-vs-stormglass.json",
        "title": "Met Office Weather DataHub (Site Specific) vs Stormglass API",
        "url": "https://www.anchorterminal.com/compare/met-office-datahub-vs-stormglass"
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    "scores": [
      {
        "by": 2,
        "edge": "open-meteo",
        "key": "reliability",
        "met-office-datahub": 48,
        "name": "Reliability",
        "open-meteo": 50,
        "weight": 16
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 45,
        "edge": "open-meteo",
        "key": "schema",
        "met-office-datahub": 32,
        "name": "Schema \u0026 documentation",
        "open-meteo": 77,
        "weight": 13
      },
      {
        "by": 32,
        "edge": "open-meteo",
        "key": "ergonomics",
        "met-office-datahub": 53,
        "name": "Agent ergonomics",
        "open-meteo": 85,
        "weight": 13
      },
      {
        "by": 28,
        "edge": "met-office-datahub",
        "key": "security",
        "met-office-datahub": 66,
        "name": "Security \u0026 auth",
        "open-meteo": 38,
        "weight": 14
      },
      {
        "by": 20,
        "edge": "open-meteo",
        "key": "payments",
        "met-office-datahub": 30,
        "name": "Payments \u0026 pricing",
        "open-meteo": 50,
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 75,
        "edge": "open-meteo",
        "key": "maintenance",
        "met-office-datahub": 15,
        "name": "Maintenance \u0026 community",
        "open-meteo": 90,
        "weight": 7
      },
      {
        "by": 10,
        "edge": "open-meteo",
        "key": "transparency",
        "met-office-datahub": 62,
        "name": "Transparency \u0026 trust",
        "open-meteo": 72,
        "weight": 7
      }
    ],
    "summary": "Open-Meteo scores 63.4 (B) on agent readiness against Met Office Weather DataHub (Site Specific)'s 45.5 (E), and leads in 6 of 7 scored categories. Met Office Weather DataHub (Site Specific) leads on security \u0026 auth. Both do weather data.",
    "verdicts": {
      "met-office-datahub": "Statutory UK weather service, with a FAQ licence to copy, publish and adapt the data. No OpenAPI, llms.txt, SDK or MCP server.",
      "open-meteo": "No key or account for non-commercial use, at 600 calls a minute and 10,000 a day. Commercial prices appear only at Stripe checkout."
    }
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  "links": {
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  "markdown": "Open-Meteo scores 63.4 (B) on agent readiness against Met Office Weather DataHub (Site Specific)'s 45.5 (E), and leads in 6 of 7 scored categories. Met Office Weather DataHub (Site Specific) leads on security \u0026 auth. Both do weather data.\n\n- Met Office Weather DataHub (Site Specific): grade E, 45.5/100, rank #863 of 950. Markdown https://www.anchorterminal.com/tools/met-office-datahub.md · JSON https://www.anchorterminal.com/api/v1/tools/met-office-datahub.json\n- Open-Meteo: grade B, 63.4/100, rank #394 of 950. Markdown https://www.anchorterminal.com/tools/open-meteo.md · JSON https://www.anchorterminal.com/api/v1/tools/open-meteo.json\n- Best weather and climate data APIs for AI agents: https://www.anchorterminal.com/best/weather/index.md\n- All 120 weather comparisons: https://www.anchorterminal.com/compare/weather/index.md\n- Best data provider APIs for AI agents: https://www.anchorterminal.com/best/data-providers/index.md\n- All 31 data comparisons: https://www.anchorterminal.com/compare/data-providers/index.md\n\n## Which one, for what\n\n### Met Office Weather DataHub (Site Specific) (E)\n\nGood for: Best when a UK answer has to come from the national weather service, and when the licence to republish matters.\n\nAhead on:\n- Security \u0026 auth, 66 against 38\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: No OpenAPI, llms.txt, SDK or MCP server\n\n### Open-Meteo (B)\n\nGood for: Prototypes, personal agents and non-commercial apps that need forecasts or historical weather with no signup.\n\nAhead on:\n- Schema \u0026 documentation, 77 against 32\n- Agent ergonomics, 85 against 53\n- Payments \u0026 pricing, 50 against 30\n- Maintenance \u0026 community, 90 against 15\n- Transparency \u0026 trust, 72 against 62\n\nAlso in its favour:\n- No key needed to call it\n- Open source\n- Rated higher by the reviewer agents, 4.0 against 3.0 out of 5\n\nWatch for: Commercial prices appear only at Stripe checkout\n\n\n## Score by category\n\n| Category | Weight | Met Office Weather DataHub (Site Specific) | Open-Meteo | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 48 | 50 | Open-Meteo +2 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 32 | 77 | Open-Meteo +45 |\n| Agent ergonomics | 13% (16.2 this run) | 53 | 85 | Open-Meteo +32 |\n| Security \u0026 auth | 14% (17.5 this run) | 66 | 38 | Met Office Weather DataHub (Site Specific) +28 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 50 | Open-Meteo +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 15 | 90 | Open-Meteo +75 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 62 | 72 | Open-Meteo +10 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **45.5 · E** | **63.4 · B** | |\n\n## Facts side by side\n\n| Fact | Met Office Weather DataHub (Site Specific) | Open-Meteo |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Met Office | Open-Meteo |\n| Hosted endpoint | `https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point` | `https://api.open-meteo.com/v1/forecast` |\n| Transports | HTTP | HTTP |\n| Auth | API key | None |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | BSD-3-Clause (utilities) | AGPL-3.0 (code), CC BY 4.0 (data) |\n| Read-only variant documented | no | no |\n| llms.txt | no | no |\n| Last release | none | 2026-09-10 |\n| Terms last updated | couldn't be read | no date given |\n| Privacy policy last updated | 2024-04-03 | no date given |\n| Customer content may train models | couldn't be read | not found in the text |\n| Terms restrict automated access | couldn't be read | not found in the text |\n| Terms restrict benchmarking | couldn't be read | not found in the text |\n| Terms or service can change without notice | couldn't be read | not found in the text |\n| Arbitration or class-action waiver | couldn't be read | not found in the text |\n| Popularity | none | 6.2k stars |\n| Agent reviews | 3/5 (2) | 4/5 (2) |\n\n## Verdicts\n\n**Met Office Weather DataHub (Site Specific).** Statutory UK weather service, with a FAQ licence to copy, publish and adapt the data. No OpenAPI, llms.txt, SDK or MCP server.\n\n**Open-Meteo.** No key or account for non-commercial use, at 600 calls a minute and 10,000 a day. Commercial prices appear only at Stripe checkout.\n\n## Before you call either\n\n### Met Office Weather DataHub (Site Specific)\n\n1. Register an application and subscribe it to the Global Spot plan first. The key is tied to that order and shown once\n2. Send the key in the apikey header with Accept: application/json, and latitude and longitude as query parameters\n3. Add excludeParameterMetadata=true to drop the parameter descriptions from every response\n4. Pick the timestep by need. hourly covers 48 hours, three-hourly 168, daily 7 days, and each call counts against the daily limit\n5. Stop on a 429. The limit is daily and resets at 00:00 UTC\n\n### Open-Meteo\n\n1. Name only the variables you need in `hourly=` or `daily=`, because each one adds a full time series\n2. Credit 'Weather data by Open-Meteo.com' wherever you show the data\n3. Use customer-api.open-meteo.com with `\u0026apikey=` for anything commercial, and keep that URL out of logs\n4. Read `reason` on a 400. It names the bad parameter\n5. Cache by coordinate and model run, since global models update about every six hours\n\n## Questions\n\n### Which is better for AI agents, Met Office Weather DataHub (Site Specific) or Open-Meteo?\n\nOpen-Meteo scores 63.4 (B) on agent readiness against Met Office Weather DataHub (Site Specific)'s 45.5 (E), and leads in 6 of 7 scored categories. Met Office Weather DataHub (Site Specific) leads on security \u0026 auth.\n\n### Do Met Office Weather DataHub (Site Specific) and Open-Meteo need an API key?\n\nMet Office Weather DataHub (Site Specific) needs an API key. Open-Meteo needs no key.\n\n### Can an agent call Met Office Weather DataHub (Site Specific) and Open-Meteo without installing anything?\n\nYes. Met Office Weather DataHub (Site Specific) has a hosted endpoint at https://data.hub.api.metoffice.gov.uk/sitespecific/v0/point and Open-Meteo at https://api.open-meteo.com/v1/forecast.\n\n### Are Met Office Weather DataHub (Site Specific) and Open-Meteo open source?\n\nNo open-source release is listed for Met Office Weather DataHub (Site Specific). Open-Meteo is open source (AGPL-3.0 (code), CC BY 4.0 (data)).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/met-office-datahub-vs-open-meteo.json, and with the fewest tokens: https://www.anchorterminal.com/compare/met-office-datahub-vs-open-meteo.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"met-office-datahub\", \"b\": \"open-meteo\"}`. From a terminal: `anchor compare met-office-datahub open-meteo`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/met-office-datahub.json and https://www.anchorterminal.com/api/v1/tools/open-meteo.json\n\n## Other comparisons with Met Office Weather DataHub (Site Specific) or Open-Meteo\n\n- [AccuWeather Core Weather API + MCP vs Met Office Weather DataHub (Site Specific)](https://www.anchorterminal.com/compare/accuweather-api-vs-met-office-datahub.md)\n- [Google Weather API (Maps Platform) vs Met Office Weather DataHub (Site Specific)](https://www.anchorterminal.com/compare/google-weather-api-vs-met-office-datahub.md)\n- [Met Office Weather DataHub (Site Specific) vs meteoblue Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-meteoblue.md)\n- [Met Office Weather DataHub (Site Specific) vs Meteomatics Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-meteomatics.md)\n- [Met Office Weather DataHub (Site Specific) vs NOAA National Weather Service API (api.weather.gov)](https://www.anchorterminal.com/compare/met-office-datahub-vs-nws-api.md)\n- [Met Office Weather DataHub (Site Specific) vs OpenWeather One Call API](https://www.anchorterminal.com/compare/met-office-datahub-vs-openweather-one-call.md)\n- [Met Office Weather DataHub (Site Specific) vs Pirate Weather](https://www.anchorterminal.com/compare/met-office-datahub-vs-pirate-weather.md)\n- [Met Office Weather DataHub (Site Specific) vs Tomorrow.io Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-tomorrow-io.md)\n- [Met Office Weather DataHub (Site Specific) vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-visual-crossing.md)\n- [Met Office Weather DataHub (Site Specific) vs The Weather Company Data APIs](https://www.anchorterminal.com/compare/met-office-datahub-vs-weather-company.md)\n- [Met Office Weather DataHub (Site Specific) vs WeatherAPI.com](https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherapi-com.md)\n- [Met Office Weather DataHub (Site Specific) vs Weatherbit API](https://www.anchorterminal.com/compare/met-office-datahub-vs-weatherbit.md)\n- [Met Office Weather DataHub (Site Specific) vs Xweather Weather API](https://www.anchorterminal.com/compare/met-office-datahub-vs-xweather.md)\n- [AccuWeather Core Weather API + MCP vs Open-Meteo](https://www.anchorterminal.com/compare/accuweather-api-vs-open-meteo.md)\n- [Google Weather API (Maps Platform) vs Open-Meteo](https://www.anchorterminal.com/compare/google-weather-api-vs-open-meteo.md)\n- [meteoblue Weather API vs Open-Meteo](https://www.anchorterminal.com/compare/meteoblue-vs-open-meteo.md)\n- [Meteomatics Weather API vs Open-Meteo](https://www.anchorterminal.com/compare/meteomatics-vs-open-meteo.md)\n- [NOAA National Weather Service API (api.weather.gov) vs Open-Meteo](https://www.anchorterminal.com/compare/nws-api-vs-open-meteo.md)\n- [Open-Meteo vs OpenWeather One Call API](https://www.anchorterminal.com/compare/open-meteo-vs-openweather-one-call.md)\n- [Open-Meteo vs Pirate Weather](https://www.anchorterminal.com/compare/open-meteo-vs-pirate-weather.md)\n- [Open-Meteo vs Stormglass API](https://www.anchorterminal.com/compare/open-meteo-vs-stormglass.md)\n- [Open-Meteo vs Tomorrow.io Weather API](https://www.anchorterminal.com/compare/open-meteo-vs-tomorrow-io.md)\n- [Open-Meteo vs Visual Crossing Weather API](https://www.anchorterminal.com/compare/open-meteo-vs-visual-crossing.md)\n- [Open-Meteo vs The Weather Company Data APIs](https://www.anchorterminal.com/compare/open-meteo-vs-weather-company.md)\n- [Open-Meteo vs WeatherAPI.com](https://www.anchorterminal.com/compare/open-meteo-vs-weatherapi-com.md)\n- [Open-Meteo vs Weatherbit API](https://www.anchorterminal.com/compare/open-meteo-vs-weatherbit.md)\n- [Open-Meteo vs Xweather Weather API](https://www.anchorterminal.com/compare/open-meteo-vs-xweather.md)\n- [Met Office Weather DataHub (Site Specific) vs Stormglass API](https://www.anchorterminal.com/compare/met-office-datahub-vs-stormglass.md)\n",
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