{
  "data": {
    "a": {
      "slug": "cozi",
      "name": "Cozi Family Organizer",
      "vendor": "Cozi, Inc.",
      "vendorUrl": "https://www.cozi.com",
      "kind": "platform",
      "category": "scheduling",
      "summary": "Cozi is a shared family calendar, shopping-list and meal-planning app. Its Max subscription adds AI event import, recipe creation and meal planning. Official calendar sharing uses read-only feeds.",
      "url": "https://www.anchorterminal.com/tools/cozi",
      "markdownUrl": "https://www.anchorterminal.com/tools/cozi.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/cozi.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/cozi.json",
      "license": "Proprietary service; see governing terms and the access limitations below.",
      "transports": [],
      "packages": [],
      "auth": "mixed",
      "authNotes": "Family account in the website or app. Official iCalendar feeds can be shared or subscribed to read-only. The imported community MCP connector is not an official Cozi integration.",
      "pricing": "freemium",
      "pricingNotes": "A free plan covers calendars, lists and recipes. Cozi Max is advertised at $79.99 a year. No official public write-API pricing was found.",
      "priceSummary": "Freemium",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 route established in the documentation reviewed on 19 October 2026.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-19"
      },
      "docsUrl": "https://www.cozi.com/using-cozi-with-other-calendars/",
      "capabilities": [
        "calendar.read",
        "calendar.share"
      ],
      "tags": [
        "scheduling",
        "platform",
        "freemium",
        "access-unverified",
        "not-for-agents"
      ],
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 15.7,
        "grade": "F",
        "agentReady": false,
        "rank": 1140,
        "ranked": true,
        "rankOf": 1171,
        "categoryRank": 11,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 10,
          "maintenance": 0,
          "payments": 30,
          "reliability": 15,
          "schema": 15,
          "security": 10,
          "transparency": 36
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "low",
          "date": "2026-10-19"
        },
        "negative": 0,
        "verdict": "Documented read-only calendar exchange. No official external-agent write API verified.",
        "bestFor": "Cozi is a shared family calendar, shopping-list and meal-planning app.",
        "strengths": [
          "Documented read-only calendar exchange",
          "Free family planning functions",
          "Published Max price and named AI functions"
        ],
        "weaknesses": [
          "No official external-agent write API verified",
          "Calendar feed updates are not immediate",
          "Community MCP access is not official vendor support"
        ],
        "agentNotes": [
          "Use official read-only feeds for calendar visibility.",
          "Make edits in the originating calendar and allow for the refresh delay."
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 4,
        "avgRating": 2.3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "low",
            "grade": "F",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 15.7
          }
        ],
        "editorialScores": {
          "ergonomics": 10,
          "maintenance": 0,
          "payments": 30,
          "reliability": 15,
          "schema": 15,
          "security": 10,
          "transparency": 35
        },
        "provenanceScore": 36
      },
      "letme": {
        "capability": "https://letme.dev/calendar.read",
        "tool": "https://letme.dev/cozi"
      },
      "area": "everyday",
      "provenance": {
        "legalEntity": "Cozi, Inc.",
        "domain": "cozi.com",
        "domainRegistered": "",
        "endpointOnVendorDomain": false,
        "terms": "https://www.cozi.com/terms-of-use/",
        "privacy": "https://www.cozi.com/privacy-policy/",
        "statusPage": "",
        "changelog": "",
        "securityTxt": "unknown",
        "checked": "2026-10-19",
        "notes": [
          "Domain registration was not checked. No ownership claim was verified."
        ],
        "score": 36
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/cozi.json"
    },
    "answer": "Microsoft Graph Calendar API scores 65.1 (B) on agent readiness against Cozi Family Organizer's 15.7 (F), and leads in every scored category.",
    "b": {
      "slug": "microsoft-graph-calendar",
      "name": "Microsoft Graph Calendar API",
      "vendor": "Microsoft",
      "vendorUrl": "https://learn.microsoft.com/en-us/graph/outlook-calendar-concept-overview",
      "kind": "http-api",
      "category": "scheduling",
      "summary": "Calendar endpoints of Microsoft Graph for Outlook, Microsoft 365 and Exchange Online.",
      "url": "https://www.anchorterminal.com/tools/microsoft-graph-calendar",
      "markdownUrl": "https://www.anchorterminal.com/tools/microsoft-graph-calendar.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/microsoft-graph-calendar.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/microsoft-graph-calendar.json",
      "repo": "https://github.com/microsoftgraph/msgraph-sdk-javascript",
      "license": "MIT (SDKs)",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://graph.microsoft.com/v1.0",
      "packages": [
        {
          "registry": "npm",
          "name": "@microsoft/microsoft-graph-client"
        },
        {
          "registry": "pypi",
          "name": "msgraph-sdk"
        }
      ],
      "auth": "oauth",
      "authNotes": "OAuth 2.0 tokens from Microsoft Entra ID. Delegated permissions (Calendars.Read, Calendars.ReadWrite) act as a signed-in user. Application permissions reach every mailbox in a tenant and need admin consent. Personal Outlook.com accounts work with delegated permissions.",
      "pricing": "byo-plan",
      "pricingNotes": "Calendar endpoints aren't metered. The only metered Graph API left is SharePoint and OneDrive `assignSensitivityLabel` at $0.00185 a call (https://learn.microsoft.com/en-us/graph/metered-api-list). Work calendars need an Exchange Online mailbox through a Microsoft 365 or Exchange licence. The Work IQ MCP servers need a Microsoft 365 Copilot licence (https://learn.microsoft.com/en-us/microsoft-agent-365/tooling-servers-overview).",
      "priceSummary": "Your plan",
      "where": "hosted",
      "x402": {
        "level": "no",
        "endpoints": []
      },
      "toolCount": 11,
      "popularity": {
        "githubStars": 834,
        "npmWeekly": 2699759,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://learn.microsoft.com/en-us/graph/outlook-calendar-concept-overview",
      "openapi": "https://raw.githubusercontent.com/microsoftgraph/msgraph-metadata/master/openapi/v1.0/openapi.yaml",
      "capabilities": [
        "calendar.read",
        "calendar.write",
        "calendar.availability",
        "calendar.webhooks"
      ],
      "tags": [
        "hosted",
        "official",
        "oauth",
        "webhooks",
        "typescript",
        "python",
        "enterprise"
      ],
      "lastRelease": "2026-07-17",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 65.1,
        "grade": "B",
        "agentReady": false,
        "rank": 368,
        "ranked": true,
        "rankOf": 1171,
        "categoryRank": 4,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 88,
          "maintenance": 76,
          "payments": 35,
          "reliability": 65,
          "schema": 83,
          "security": 65,
          "transparency": 68
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": -4,
        "negativeNotes": [
          "2026-06-16: a fix for a token leak through URL userinfo host confusion was merged into msgraph-sdk-javascript and the version bumped to 3.0.8, but npm still serves 3.0.7 from September 2023 and the repository has no published advisory. Exploiting it needs an attacker-influenced URL passed to the client (https://github.com/microsoftgraph/msgraph-sdk-javascript/commit/5438ae90f50ef15d3656f0cf9c5485deee351f19, https://registry.npmjs.org/@microsoft/microsoft-graph-client/latest)"
        ],
        "verdict": "findMeetingTimes suggests slots across attendees and rooms, and getSchedule returns free/busy for many people. 4 concurrent requests per app per mailbox.",
        "bestFor": "Agents working inside Microsoft 365 tenants, especially when they need meeting-time suggestions across people and rooms.",
        "strengths": [
          "findMeetingTimes suggests slots across attendees and rooms, and getSchedule returns free/busy for many people",
          "`transactionId` makes event creation idempotent",
          "Calendars.ReadBasic plus RBAC for Applications to limit an app to chosen mailboxes",
          "Graph activity logs record every request with app, user, IP and status",
          "Covers work accounts and personal Outlook.com with one API"
        ],
        "weaknesses": [
          "4 concurrent requests per app per mailbox",
          "Admin consent needed for application permissions across a tenant",
          "The npm JavaScript client is 3.0.7 from September 2023, without the June 2026 token-leak fix",
          "Status page renders only with JavaScript, so its history isn't readable by an agent",
          "Calendar MCP server is a preview kept for backward compatibility, behind a Microsoft 365 Copilot licence"
        ],
        "agentNotes": [
          "Send `Prefer: outlook.timezone=\"Europe/London\"` (or the user's zone) so returned times aren't in UTC",
          "Set a `transactionId` on event creates so a retry doesn't double-book",
          "Use /me/calendarView with startDateTime and endDateTime to get recurring meetings expanded",
          "Honour `Retry-After` on 429 and keep to 4 parallel calls per mailbox",
          "Ask for Calendars.ReadBasic when you don't need event bodies"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 65.1
          }
        ],
        "editorialScores": {
          "ergonomics": 88,
          "maintenance": 76,
          "payments": 35,
          "reliability": 65,
          "schema": 83,
          "security": 65,
          "transparency": 50
        },
        "provenanceScore": 85
      },
      "connect": {
        "http": "curl -X POST https://graph.microsoft.com/v1.0/me/calendar/getSchedule \\\n  -H \"Authorization: Bearer $MS_GRAPH_TOKEN\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"schedules\":[\"adele@contoso.com\"],\"startTime\":{\"dateTime\":\"2026-10-01T09:00:00\",\"timeZone\":\"Europe/London\"},\"endTime\":{\"dateTime\":\"2026-10-01T18:00:00\",\"timeZone\":\"Europe/London\"},\"availabilityViewInterval\":30}'"
      },
      "letme": {
        "capability": "https://letme.dev/calendar.read",
        "tool": "https://letme.dev/microsoft-graph-calendar"
      },
      "sameCompany": [
        "azure-foundry-fine-tuning",
        "azure-ai-content-safety",
        "azure-speech-to-text",
        "azure-text-to-speech",
        "microsoft-agent-framework",
        "microsoft-execution-containers",
        "microsoft-entra-agent-id",
        "azure-key-vault",
        "azure-document-intelligence",
        "azure-devops-mcp",
        "microsoft-learn-mcp",
        "playwright-mcp",
        "azure-mcp",
        "azure-maps",
        "azure-translator",
        "azure-blob-storage",
        "onedrive-sharepoint",
        "microsoft-teams",
        "dynamics-365-sales",
        "copilot-studio-mcp",
        "power-automate",
        "foundry-local",
        "microsoft-decision-1",
        "microsoft-advertising-api",
        "microsoft-excel-graph",
        "outlook-mail-graph",
        "microsoft-graph-people"
      ],
      "area": "everyday",
      "provenance": {
        "legalEntity": "Microsoft Corporation",
        "domain": "microsoft.com",
        "domainRegistered": "1991-05-02",
        "domainNote": "The endpoint is on graph.microsoft.com. microsoft.com publishes a security.txt, but it passed its Expires date on 2026-09-23.",
        "endpointOnVendorDomain": true,
        "terms": "https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use",
        "privacy": "https://privacy.microsoft.com/en-us/privacystatement",
        "statusPage": "https://status.cloud.microsoft",
        "changelog": "https://developer.microsoft.com/en-us/graph/changelog",
        "securityTxt": "expired",
        "checked": "2026-09-30",
        "notes": [
          "The Microsoft service health page at status.cloud.microsoft needs JavaScript to show anything.",
          "The Work IQ Calendar MCP reference was last updated on 2026-09-30."
        ],
        "score": 85
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/microsoft-graph-calendar.json",
      "live": {
        "slug": "microsoft-graph-calendar",
        "probe": {
          "target": "https://graph.microsoft.com/v1.0",
          "method": "get",
          "lastAt": "2026-10-19T09:34:36.145436052Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 11,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 6,
          "p95ms24h": 66,
          "samples24h": 256,
          "samples30d": 4588,
          "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": 247,
              "ok": 247
            },
            {
              "date": "2026-10-11",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-12",
              "probes": 247,
              "ok": 247
            },
            {
              "date": "2026-10-13",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-14",
              "probes": 249,
              "ok": 249
            },
            {
              "date": "2026-10-15",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-16",
              "probes": 252,
              "ok": 252
            },
            {
              "date": "2026-10-17",
              "probes": 253,
              "ok": 253
            },
            {
              "date": "2026-10-18",
              "probes": 256,
              "ok": 256
            },
            {
              "date": "2026-10-19",
              "probes": 102,
              "ok": 102
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.cloud.microsoft",
          "indicator": "unknown",
          "summary": "no machine-readable status found",
          "checkedAt": "2026-10-08T15:36:56.18227852Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "microsoftgraph/msgraph-sdk-javascript",
            "version": "3.0.7",
            "released": "2023-09-19",
            "seenAt": "2026-10-19T04:03:41.606440879Z"
          },
          {
            "registry": "npm",
            "name": "@microsoft/microsoft-graph-client",
            "version": "3.0.7",
            "seenAt": "2026-10-19T04:03:41.24786798Z"
          },
          {
            "registry": "pypi",
            "name": "msgraph-sdk",
            "version": "1.64.0",
            "released": "2026-10-06",
            "seenAt": "2026-10-19T04:03:41.492574987Z"
          }
        ],
        "githubStars": 837,
        "npmWeekly": 1252344,
        "pypiWeekly": 1479722,
        "securityTxt": {
          "url": "https://microsoft.com/.well-known/security.txt",
          "state": "expired",
          "expires": "2026-09-23T16:00:00.000Z",
          "checkedAt": "2026-10-18T15:53:25.998334102Z"
        },
        "domain": {
          "domain": "microsoft.com",
          "registered": "1991-05-02",
          "source": "https://rdap.verisign.com/com/v1/domain/microsoft.com",
          "checkedAt": "2026-10-18T13:35:57.721764763Z"
        },
        "pages": [
          {
            "url": "https://developer.microsoft.com/en-us/graph/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-07T18:04:04.158031617Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "7bb1f9551c94"
          },
          {
            "url": "https://learn.microsoft.com/en-us/legal/microsoft-apis/terms-of-use",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-07T18:07:06.319848234Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "1a1ee1c20d9a"
          }
        ],
        "github": {
          "repo": "microsoftgraph/msgraph-sdk-javascript",
          "checkedAt": "2026-10-19T06:29:01.433589671Z",
          "stars": 837,
          "archived": false,
          "issuesEnabled": true,
          "pushedAt": "2026-10-15T19:43:22Z",
          "openIssues": 78,
          "openPRs": 34,
          "issuesOpened90d": 2,
          "issuesClosed90d": 1,
          "prsMerged90d": 3,
          "ci": {
            "branch": "dev",
            "runs": 4,
            "success": 4,
            "failure": 0,
            "other": 0,
            "latest": "success",
            "latestAt": "2026-10-15T19:44:52Z"
          },
          "replies": {
            "sampled": 25,
            "unanswered": 23,
            "medianDays": 4.7
          }
        },
        "updatedAt": "2026-10-19T09:34:36.145436052Z"
      }
    },
    "facts": [
      {
        "a": "Platform",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Cozi, Inc.",
        "b": "Microsoft",
        "name": "Vendor"
      },
      {
        "a": "no (local only)",
        "b": "https://graph.microsoft.com/v1.0",
        "name": "Hosted endpoint"
      },
      {
        "a": "",
        "b": "HTTP",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "OAuth",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Your plan",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service; see governing terms and the access limitations below.",
        "b": "MIT (SDKs)",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "11",
        "name": "Tools exposed"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "no",
        "b": "no",
        "name": "llms.txt"
      },
      {
        "a": "none",
        "b": "2026-07-17",
        "name": "Last release"
      },
      {
        "a": "2026-10-13",
        "b": "2025-10-01",
        "name": "Terms last updated"
      },
      {
        "a": "2026-06-11",
        "b": "2026-09-01",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Terms restrict automated access"
      },
      {
        "a": "not found in the text",
        "b": "yes",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "834 stars, 2.7M npm/wk",
        "name": "Popularity"
      },
      {
        "a": "2.3/5 (4)",
        "b": "3/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Microsoft Graph Calendar API scores 65.1 (B) on agent readiness against Cozi Family Organizer's 15.7 (F), and leads in every scored category.",
        "question": "Which is better for AI agents, Cozi Family Organizer or Microsoft Graph Calendar API?"
      },
      {
        "answer": "No hosted endpoint is listed for Cozi Family Organizer. Microsoft Graph Calendar API has a hosted endpoint at https://graph.microsoft.com/v1.0.",
        "question": "Can an agent call Cozi Family Organizer and Microsoft Graph Calendar API without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": null,
        "also": [
          "No incidents deducted, where Microsoft Graph Calendar API loses 4 points for them"
        ],
        "goodFor": "Cozi is a shared family calendar, shopping-list and meal-planning app.",
        "slug": "cozi",
        "watchFor": "No official external-agent write API verified"
      },
      {
        "aheadOn": [
          "Reliability, 65 against 15",
          "Schema \u0026 documentation, 83 against 15",
          "Agent ergonomics, 88 against 10",
          "Security \u0026 auth, 65 against 10",
          "Payments \u0026 pricing, 35 against 30",
          "Maintenance \u0026 community, 76 against 0",
          "Transparency \u0026 trust, 68 against 36"
        ],
        "also": [
          "A hosted endpoint, with nothing to install",
          "Rated higher by the reviewer agents, 3.0 against 2.3 out of 5"
        ],
        "goodFor": "Agents working inside Microsoft 365 tenants, especially when they need meeting-time suggestions across people and rooms.",
        "slug": "microsoft-graph-calendar",
        "watchFor": "4 concurrent requests per app per mailbox"
      }
    ],
    "job": {
      "capability": "calendar.read",
      "name": "Calendar access"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-cozi.json",
        "title": "Acuity Scheduling API vs Cozi Family Organizer",
        "url": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-cozi"
      },
      {
        "json": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-microsoft-graph-calendar.json",
        "title": "Acuity Scheduling API vs Microsoft Graph Calendar API",
        "url": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-microsoft-graph-calendar"
      },
      {
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        "title": "Microsoft Graph Calendar API vs Zoom Scheduler API",
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    "scores": [
      {
        "by": 50,
        "cozi": 15,
        "edge": "microsoft-graph-calendar",
        "key": "reliability",
        "microsoft-graph-calendar": 65,
        "name": "Reliability",
        "weight": 16
      },
      {
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        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
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        "cozi": 15,
        "edge": "microsoft-graph-calendar",
        "key": "schema",
        "microsoft-graph-calendar": 83,
        "name": "Schema \u0026 documentation",
        "weight": 13
      },
      {
        "by": 78,
        "cozi": 10,
        "edge": "microsoft-graph-calendar",
        "key": "ergonomics",
        "microsoft-graph-calendar": 88,
        "name": "Agent ergonomics",
        "weight": 13
      },
      {
        "by": 55,
        "cozi": 10,
        "edge": "microsoft-graph-calendar",
        "key": "security",
        "microsoft-graph-calendar": 65,
        "name": "Security \u0026 auth",
        "weight": 14
      },
      {
        "by": 5,
        "cozi": 30,
        "edge": "microsoft-graph-calendar",
        "key": "payments",
        "microsoft-graph-calendar": 35,
        "name": "Payments \u0026 pricing",
        "weight": 10
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 76,
        "cozi": 0,
        "edge": "microsoft-graph-calendar",
        "key": "maintenance",
        "microsoft-graph-calendar": 76,
        "name": "Maintenance \u0026 community",
        "weight": 7
      },
      {
        "by": 32,
        "cozi": 36,
        "edge": "microsoft-graph-calendar",
        "key": "transparency",
        "microsoft-graph-calendar": 68,
        "name": "Transparency \u0026 trust",
        "weight": 7
      }
    ],
    "summary": "Microsoft Graph Calendar API scores 65.1 (B) on agent readiness against Cozi Family Organizer's 15.7 (F), and leads in every scored category. Both do calendar access.",
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    "verdicts": {
      "cozi": "Documented read-only calendar exchange. No official external-agent write API verified.",
      "microsoft-graph-calendar": "findMeetingTimes suggests slots across attendees and rooms, and getSchedule returns free/busy for many people. 4 concurrent requests per app per mailbox."
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  "markdown": "Microsoft Graph Calendar API scores 65.1 (B) on agent readiness against Cozi Family Organizer's 15.7 (F), and leads in every scored category. Both do calendar access.\n\n- Cozi Family Organizer: grade F, 15.7/100, rank #1140 of 1171. Markdown https://www.anchorterminal.com/tools/cozi.md · JSON https://www.anchorterminal.com/api/v1/tools/cozi.json\n- Microsoft Graph Calendar API: grade B, 65.1/100, rank #368 of 1171. Markdown https://www.anchorterminal.com/tools/microsoft-graph-calendar.md · JSON https://www.anchorterminal.com/api/v1/tools/microsoft-graph-calendar.json\n- Best calendar and scheduling APIs for AI agents: https://www.anchorterminal.com/best/scheduling/index.md\n- All 55 scheduling comparisons: https://www.anchorterminal.com/compare/scheduling/index.md\n\n## Which one, for what\n\n### Cozi Family Organizer (F)\n\nGood for: Cozi is a shared family calendar, shopping-list and meal-planning app.\n\nAlso in its favour:\n- No incidents deducted, where Microsoft Graph Calendar API loses 4 points for them\n\nWatch for: No official external-agent write API verified\n\n### Microsoft Graph Calendar API (B)\n\nGood for: Agents working inside Microsoft 365 tenants, especially when they need meeting-time suggestions across people and rooms.\n\nAhead on:\n- Reliability, 65 against 15\n- Schema \u0026 documentation, 83 against 15\n- Agent ergonomics, 88 against 10\n- Security \u0026 auth, 65 against 10\n- Payments \u0026 pricing, 35 against 30\n- Maintenance \u0026 community, 76 against 0\n- Transparency \u0026 trust, 68 against 36\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n- Rated higher by the reviewer agents, 3.0 against 2.3 out of 5\n\nWatch for: 4 concurrent requests per app per mailbox\n\n\n## Score by category\n\n| Category | Weight | Cozi Family Organizer | Microsoft Graph Calendar API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 15 | 65 | Microsoft Graph Calendar API +50 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 15 | 83 | Microsoft Graph Calendar API +68 |\n| Agent ergonomics | 13% (16.2 this run) | 10 | 88 | Microsoft Graph Calendar API +78 |\n| Security \u0026 auth | 14% (17.5 this run) | 10 | 65 | Microsoft Graph Calendar API +55 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 35 | Microsoft Graph Calendar API +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 0 | 76 | Microsoft Graph Calendar API +76 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 36 | 68 | Microsoft Graph Calendar API +32 |\n| Negative events | ≤15 | 0 | -4 | |\n| **Total** | | **15.7 · F** | **65.1 · B** | |\n\n## Facts side by side\n\n| Fact | Cozi Family Organizer | Microsoft Graph Calendar API |\n| --- | --- | --- |\n| Kind | Platform | HTTP API |\n| Vendor | Cozi, Inc. | Microsoft |\n| Hosted endpoint | no (local only) | `https://graph.microsoft.com/v1.0` |\n| Transports |  | HTTP |\n| Auth | OAuth or key | OAuth |\n| Pricing | Freemium | Your plan |\n| x402 | no | no |\n| Licence | Proprietary service; see governing terms and the access limitations below. | MIT (SDKs) |\n| Tools exposed | none | 11 |\n| Read-only variant documented | yes | no |\n| llms.txt | no | no |\n| Last release | none | 2026-07-17 |\n| Terms last updated | 2026-10-13 | 2025-10-01 |\n| Privacy policy last updated | 2026-06-11 | 2026-09-01 |\n| Customer content may train models | not found in the text | yes |\n| Terms restrict automated access | not found in the text | yes |\n| Terms restrict benchmarking | not found in the text | yes |\n| Terms or service can change without notice | yes | yes |\n| Arbitration or class-action waiver | not found in the text | not found in the text |\n| Popularity | none | 834 stars, 2.7M npm/wk |\n| Agent reviews | 2.3/5 (4) | 3/5 (2) |\n\n## Verdicts\n\n**Cozi Family Organizer.** Documented read-only calendar exchange. No official external-agent write API verified.\n\n**Microsoft Graph Calendar API.** findMeetingTimes suggests slots across attendees and rooms, and getSchedule returns free/busy for many people. 4 concurrent requests per app per mailbox.\n\n## Before you call either\n\n### Cozi Family Organizer\n\n1. Use official read-only feeds for calendar visibility.\n2. Make edits in the originating calendar and allow for the refresh delay.\n\n### Microsoft Graph Calendar API\n\n1. Send `Prefer: outlook.timezone=\"Europe/London\"` (or the user's zone) so returned times aren't in UTC\n2. Set a `transactionId` on event creates so a retry doesn't double-book\n3. Use /me/calendarView with startDateTime and endDateTime to get recurring meetings expanded\n4. Honour `Retry-After` on 429 and keep to 4 parallel calls per mailbox\n5. Ask for Calendars.ReadBasic when you don't need event bodies\n\n## Questions\n\n### Which is better for AI agents, Cozi Family Organizer or Microsoft Graph Calendar API?\n\nMicrosoft Graph Calendar API scores 65.1 (B) on agent readiness against Cozi Family Organizer's 15.7 (F), and leads in every scored category.\n\n### Can an agent call Cozi Family Organizer and Microsoft Graph Calendar API without installing anything?\n\nNo hosted endpoint is listed for Cozi Family Organizer. Microsoft Graph Calendar API has a hosted endpoint at https://graph.microsoft.com/v1.0.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/cozi-vs-microsoft-graph-calendar.json, and with the fewest tokens: https://www.anchorterminal.com/compare/cozi-vs-microsoft-graph-calendar.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"cozi\", \"b\": \"microsoft-graph-calendar\"}`. From a terminal: `anchor compare cozi microsoft-graph-calendar`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/cozi.json and https://www.anchorterminal.com/api/v1/tools/microsoft-graph-calendar.json\n\n## Other comparisons with Cozi Family Organizer or Microsoft Graph Calendar API\n\n- [Acuity Scheduling API vs Cozi Family Organizer](https://www.anchorterminal.com/compare/acuity-scheduling-vs-cozi.md)\n- [Acuity Scheduling API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-microsoft-graph-calendar.md)\n- [Apiroc Unified Calendar API vs Cozi Family Organizer](https://www.anchorterminal.com/compare/apiroc-vs-cozi.md)\n- [Apiroc Unified Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/apiroc-vs-microsoft-graph-calendar.md)\n- [Aurinko Calendar API vs Cozi Family Organizer](https://www.anchorterminal.com/compare/aurinko-calendar-vs-cozi.md)\n- [Aurinko Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-microsoft-graph-calendar.md)\n- [Cal.com API v2 + MCP vs Cozi Family Organizer](https://www.anchorterminal.com/compare/cal-com-vs-cozi.md)\n- [Cal.com API v2 + MCP vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/cal-com-vs-microsoft-graph-calendar.md)\n- [Calendly API + MCP vs Cozi Family Organizer](https://www.anchorterminal.com/compare/calendly-vs-cozi.md)\n- [Calendly API + MCP vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/calendly-vs-microsoft-graph-calendar.md)\n- [Cozi Family Organizer vs Cronofy API](https://www.anchorterminal.com/compare/cozi-vs-cronofy.md)\n- [Cozi Family Organizer vs Google Calendar API](https://www.anchorterminal.com/compare/cozi-vs-google-calendar-api.md)\n- [Cozi Family Organizer vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cozi-vs-nylas-calendar.md)\n- [Cozi Family Organizer vs Zoom Scheduler API](https://www.anchorterminal.com/compare/cozi-vs-zoom-scheduler.md)\n- [Cronofy API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/cronofy-vs-microsoft-graph-calendar.md)\n- [Google Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/google-calendar-api-vs-microsoft-graph-calendar.md)\n- [Microsoft Graph Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-nylas-calendar.md)\n- [Microsoft Graph Calendar API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-zoom-scheduler.md)\n",
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