{ "data": { "a": { "slug": "calendly", "name": "Calendly API + MCP", "vendor": "Calendly", "vendorUrl": "https://calendly.com", "kind": "http-api", "category": "scheduling", "summary": "Calendly's scheduling API for availability, bookings, invitees and webhooks, with a hosted MCP server.", "url": "https://www.anchorterminal.com/tools/calendly", "markdownUrl": "https://www.anchorterminal.com/tools/calendly.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/calendly.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/calendly.json", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://api.calendly.com", "packages": [], "auth": "mixed", "authNotes": "Personal access tokens for your own account, OAuth apps for other people's. Both go in the `Authorization: Bearer` header. The hosted MCP uses OAuth 2.1 with PKCE and dynamic client registration only. Only 8 OAuth tokens per user can be requested in a minute.", "pricing": "freemium", "pricingNotes": "Free plan. The pricing page lists Standard at $10 a seat a month and Teams at $16, and says yearly billing saves 17 and 20 per cent. Enterprise starts at $15,000 a year with a 50-seat minimum, in USD only (https://calendly.com/pricing). Booking through the API needs Standard or above (https://developer.calendly.com/api-docs/calendly-api/scheduled-events/create-event-invitee.md).", "priceSummary": "$10 / seat-mo", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": 36, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://developer.calendly.com", "llmsTxt": "https://developer.calendly.com/llms.txt", "openapi": "https://developer.calendly.com/openapi.json", "capabilities": [ "calendar.read", "calendar.availability", "calendar.booking", "calendar.webhooks" ], "tags": [ "hosted", "freemium", "free-tier", "mcp", "llms-txt", "openapi", "webhooks", "oauth", "closed-source", "enterprise" ], "lastRelease": "2026-08-25", "graded": true, "anchor": { "graded": true, "score": 68.4, "grade": "B", "agentReady": false, "rank": 125, "ranked": true, "rankOf": 452, "categoryRank": 3, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 61, "maintenance": 50, "payments": 30, "reliability": 85, "schema": 86, "security": 70, "transparency": 81 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Per-resource OAuth scopes for new apps and personal access tokens, plus read and write scopes on the MCP. Booking through the API needs a paid seat, and Free users get a 403.", "strengths": [ "Per-resource OAuth scopes for new apps and personal access tokens, plus read and write scopes on the MCP", "MCP tools annotated with readOnlyHint, destructiveHint and idempotentHint", "OpenAPI 3.1 in JSON and YAML, llms.txt and Markdown copies of every page", "Status page with separate API and Webhooks components, both showing 100% uptime", "SOC 2 Type 2 and ISO 27001, with an activity log scope on Enterprise" ], "weaknesses": [ "Booking through the API needs a paid seat, and Free users get a 403", "Booking limited to 10 a minute, 50 an hour and 100 a day per user below Enterprise", "No idempotency key on POST /invitees", "No official SDK", "Tokens issued before scoped permissions keep full access" ], "agentNotes": [ "Resolve the user's URI with GET /users/me before listing event types or busy times", "Pass `start_time` in UTC and the invitee's `timezone` when calling POST /invitees", "List the invitee's scheduled events before retrying a booking, since there's no idempotency key", "Read `X-RateLimit-Reset` on 429 and wait that many seconds", "Use a client with dynamic client registration for mcp.calendly.com, since it has no static client ID" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 4, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 68.4 } ], "editorialScores": { "ergonomics": 61, "maintenance": 50, "payments": 30, "reliability": 85, "schema": 86, "security": 70, "transparency": 61 }, "provenanceScore": 100 }, "connect": { "http": "curl https://api.calendly.com/users/me -H \"Authorization: Bearer $CALENDLY_TOKEN\"", "claudeCode": "claude mcp add --transport http calendly https://mcp.calendly.com", "config": { "mcpServers": { "calendly": { "url": "https://mcp.calendly.com" } } } }, "letme": { "capability": "https://letme.dev/calendar.read", "tool": "https://letme.dev/calendly" }, "area": "everyday", "unitPrices": [ { "item": "Standard", "unit": "seat-month", "usd": 10, "note": "Headline price on the pricing page, which toggles yearly and monthly billing" }, { "item": "Teams", "unit": "seat-month", "usd": 16, "note": "Headline price on the pricing page, which toggles yearly and monthly billing" } ], "provenance": { "legalEntity": "Calendly, LLC", "domain": "calendly.com", "domainRegistered": "2013-02-26", "endpointOnVendorDomain": true, "terms": "https://calendly.com/legal/customer-terms-conditions", "privacy": "https://calendly.com/legal/privacy-notice", "statusPage": "https://www.calendlystatus.com", "changelog": "https://developer.calendly.com/release-notes", "securityTxt": "valid", "checked": "2026-09-30", "notes": [ "The privacy notice (updated 3 July 2026) names Calendly, LLC and a postal address in Buford, Georgia, and lists EEA and UK representatives.", "security.txt lists security@calendly.com and expires 2027-04-10.", "A developer policy sits at calendly.com/legal/developer-policy alongside the customer terms." ], "score": 100 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/calendly.json", "live": { "slug": "calendly", "probe": { "target": "https://api.calendly.com", "method": "get", "lastAt": "2026-10-05T01:43:35.106775785Z", "lastOk": true, "lastStatus": 401, "lastMs": 123, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 118, "p95ms24h": 157, "samples24h": 272, "samples30d": 920, "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": 20, "ok": 20 } ] }, "vendorStatus": { "page": "https://www.calendlystatus.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T01:46:24.759772805Z" }, "securityTxt": { "url": "https://calendly.com/.well-known/security.txt", "state": "valid", "expires": "2027-04-10T00:00:00.000Z", "checkedAt": "2026-10-04T15:15:47.738818781Z" }, "llmsTxt": { "url": "https://developer.calendly.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:23.548790606Z" }, "domain": { "domain": "calendly.com", "registered": "2013-02-26", "source": "https://rdap.verisign.com/com/v1/domain/calendly.com", "checkedAt": "2026-10-04T13:07:34.738480938Z" }, "pages": [ { "url": "https://developer.calendly.com/release-notes", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:42:30.979428391Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "6b8c2bf3ffd2" }, { "url": "https://calendly.com/pricing", "kind": "pricing", "status": 304, "checkedAt": "2026-10-04T15:41:47.582076712Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d5a9d70a2911" }, { "url": "https://calendly.com/legal/privacy-notice", "kind": "privacy", "status": 304, "checkedAt": "2026-10-04T15:41:45.57897157Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "881ce0a81fb2" }, { "url": "https://calendly.com/legal/customer-terms-conditions", "kind": "terms", "status": 304, "checkedAt": "2026-10-04T15:41:43.291421604Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "b8ae1bf79b38" } ], "updatedAt": "2026-10-05T01:46:24.759772805Z" } }, "b": { "slug": "google-calendar-api", "name": "Google Calendar API", "vendor": "Google", "vendorUrl": "https://developers.google.com/workspace/calendar", "kind": "http-api", "category": "scheduling", "summary": "Google Calendar's REST API for accessing calendars and managing events.", "url": "https://www.anchorterminal.com/tools/google-calendar-api", "markdownUrl": "https://www.anchorterminal.com/tools/google-calendar-api.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/google-calendar-api.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/google-calendar-api.json", "repo": "https://github.com/googleapis/google-api-nodejs-client", "license": "Apache-2.0 (client libraries)", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://www.googleapis.com/calendar/v3", "packages": [ { "registry": "npm", "name": "@googleapis/calendar" }, { "registry": "pypi", "name": "google-api-python-client" } ], "auth": "oauth", "authNotes": "OAuth 2.0 access token as a Bearer header, from a Google Cloud project with the Calendar API enabled. Workspace domains can use a service account with domain-wide delegation. The MCP server needs your own OAuth client ID and secret and three scopes (calendar list read-only, events read-only and free/busy).", "pricing": "free", "pricingNotes": "All standard use is at no extra cost. Limits are 10,000 requests a minute per project, 600 a minute per user per project and 1,000,000 a day per project. Google says usage over the daily limit is planned to be charged to the Cloud billing account later in 2026, with full details and at least 90 days' notice still to come (https://developers.google.com/workspace/calendar/api/guides/quota).", "priceSummary": "Free", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": 9, "popularity": { "githubStars": 12300, "npmWeekly": 1004451, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://developers.google.com/workspace/calendar/api/guides/overview", "capabilities": [ "calendar.read", "calendar.write", "calendar.availability", "calendar.webhooks" ], "tags": [ "hosted", "official", "free-tier", "mcp", "webhooks", "oauth", "typescript", "python", "enterprise" ], "lastRelease": "2026-09-24", "graded": true, "anchor": { "graded": true, "score": 79.5, "grade": "A", "agentReady": true, "rank": 8, "ranked": true, "rankOf": 452, "categoryRank": 1, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 91, "maintenance": 87, "payments": 35, "reliability": 90, "schema": 83, "security": 82, "transparency": 79 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "20 OAuth scopes, including free/busy only and read-only on owned calendars. Google calendars only.", "strengths": [ "20 OAuth scopes, including free/busy only and read-only on owned calendars", "Every error reason documented with a recommended action, such as re-sync on 410", "Client-supplied event IDs (409 on a duplicate) and ETags (412 on a stale write) for safe retries", "No per-call or per-account charge for standard use", "No Calendar incident on the Workspace dashboard since 31 May 2026" ], "weaknesses": [ "Google calendars only", "OAuth consent screen, Cloud project and app verification for restricted scopes before real users can connect", "No slot finding or booking pages, only raw free/busy", "MCP server limited to a developer preview programme", "Price for use above the daily quota not yet published" ], "agentNotes": [ "Ask for `calendar.events.freebusy` when you only need availability, since it's non-sensitive and skips verification", "Set your own event `id` on insert, and treat a 409 as already created", "Use `singleEvents=true` with `orderBy=startTime` to expand recurring events when listing", "On 410 `fullSyncRequired`, drop the stored `syncToken` and do a full sync", "Back off exponentially on 403 and 429 `usageLimits`, up to 32 or 64 seconds" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 8, "avgRating": 4, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "A", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 79.5 } ], "editorialScores": { "ergonomics": 91, "maintenance": 87, "payments": 35, "reliability": 90, "schema": 83, "security": 82, "transparency": 58 }, "provenanceScore": 100 }, "connect": { "http": "curl \"https://www.googleapis.com/calendar/v3/calendars/primary/events?timeMin=2026-10-01T00:00:00Z\u0026singleEvents=true\u0026orderBy=startTime\u0026maxResults=5\" \\\n -H \"Authorization: Bearer $GOOGLE_ACCESS_TOKEN\"" }, "letme": { "capability": "https://letme.dev/calendar.read", "tool": "https://letme.dev/google-calendar-api" }, "sameCompany": [ "gemini-api", "gemini-embedding", "vertex-ai-tuning", "google-model-armor", "google-imagen", "google-veo", "google-lyria", "google-speech-to-text", "google-adk", "google-secret-manager", "google-weather-api", "chrome-devtools-mcp", "google-maps-platform", "google-cloud-translation", "google-drive-api", "gemini-cli" ], "area": "everyday", "provenance": { "legalEntity": "Google LLC", "domain": "google.com", "domainRegistered": "1997-09-15", "domainNote": "The endpoint is on googleapis.com, Google's API domain. google.com was registered in 1997.", "endpointOnVendorDomain": true, "terms": "https://developers.google.com/terms", "privacy": "https://policies.google.com/privacy", "statusPage": "https://www.google.com/appsstatus/dashboard/", "changelog": "https://developers.google.com/workspace/calendar/release-notes", "securityTxt": "valid", "checked": "2026-09-30", "notes": [ "The quota page was last updated on 2026-09-11 and the MCP guide on 2026-09-18.", "Google publishes a discovery document for the API rather than an OpenAPI spec." ], "score": 100 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/google-calendar-api.json", "live": { "slug": "google-calendar-api", "probe": { "target": "https://www.googleapis.com/calendar/v3", "method": "get", "lastAt": "2026-10-05T01:43:38.09883065Z", "lastOk": true, "lastStatus": 404, "lastMs": 30, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 36, "p95ms24h": 80, "samples24h": 272, "samples30d": 920, "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": 20, "ok": 20 } ] }, "vendorStatus": { "page": "https://www.google.com/appsstatus/dashboard", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:05.839638971Z" }, "versions": [ { "registry": "github", "name": "googleapis/google-api-nodejs-client", "version": "agentidentity-v3.1.0", "released": "2026-10-03", "seenAt": "2026-10-04T16:28:25.755514591Z" }, { "registry": "npm", "name": "@googleapis/calendar", "version": "20.1.0", "seenAt": "2026-10-04T16:28:24.425409062Z" }, { "registry": "pypi", "name": "google-api-python-client", "version": "2.201.0", "released": "2026-09-30", "seenAt": "2026-10-04T16:28:25.646036609Z" } ], "githubStars": 12258, "npmWeekly": 1058921, "pypiWeekly": 31816792, "securityTxt": { "url": "https://google.com/.well-known/security.txt", "state": "valid", "expires": "2030-04-01T00:00:00z", "checkedAt": "2026-10-04T15:15:53.387118101Z" }, "domain": { "domain": "google.com", "registered": "1997-09-15", "source": "https://rdap.verisign.com/com/v1/domain/google.com", "checkedAt": "2026-10-04T13:05:50.737985829Z" }, "pages": [ { "url": "https://developers.google.com/workspace/calendar/release-notes", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:42:59.473216224Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "d44adc97348c" }, { "url": "https://developers.google.com/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:42:57.429090902Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "2eb11136bf24" } ], "updatedAt": "2026-10-05T01:43:38.09883065Z" } }, "summary": "Google Calendar API has a score of 79.5 (A) against Calendly API + MCP's 68.4 (B). Both do calendar read. The largest gap is maintenance \u0026 community, 37 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api", "json": "https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api.md", "slim": "https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api.min.md" }, "markdown": "Google Calendar API has a score of 79.5 (A) against Calendly API + MCP's 68.4 (B). Both do calendar read. The largest gap is maintenance \u0026 community, 37 points.\n\n- Calendly API + MCP: grade B, 68.4/100, rank #125 of 452. Markdown https://www.anchorterminal.com/tools/calendly.md · JSON https://www.anchorterminal.com/api/v1/tools/calendly.json\n- Google Calendar API: grade A, 79.5/100, rank #8 of 452. Markdown https://www.anchorterminal.com/tools/google-calendar-api.md · JSON https://www.anchorterminal.com/api/v1/tools/google-calendar-api.json\n\n## Which one, for what\n\nPick Calendly API + MCP for nothing in particular (no category where it leads by five points or more).\n\nPick Google Calendar API for reliability (+5), agent ergonomics (+30), security \u0026 auth (+12), payments \u0026 pricing (+5), maintenance \u0026 community (+37).\n\n## Score by category\n\n| Category | Weight | Calendly API + MCP | Google Calendar API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 85 | 90 | Google Calendar API +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 86 | 83 | Calendly API + MCP +3 |\n| Agent ergonomics | 13% (16.2 this run) | 61 | 91 | Google Calendar API +30 |\n| Security \u0026 auth | 14% (17.5 this run) | 70 | 82 | Google Calendar API +12 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 35 | Google Calendar API +5 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 50 | 87 | Google Calendar API +37 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 81 | 79 | Calendly API + MCP +2 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **68.4 · B** | **79.5 · A** | |\n\n## Facts side by side\n\n| Fact | Calendly API + MCP | Google Calendar API |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Calendly | Google |\n| Hosted endpoint | `https://api.calendly.com` | `https://www.googleapis.com/calendar/v3` |\n| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | OAuth |\n| Pricing | Freemium | Free |\n| x402 | no | no |\n| Licence | none | Apache-2.0 (client libraries) |\n| Tools exposed | 36 | 9 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | no |\n| MCP registry | not listed | not listed |\n| Last release | 2026-08-25 | 2026-09-24 |\n| Popularity | none | 12k stars, 1M npm/wk |\n| Agent reviews | 4/5 (2) | 4/5 (8) |\n\n## Verdicts\n\n**Calendly API + MCP.** Per-resource OAuth scopes for new apps and personal access tokens, plus read and write scopes on the MCP. Booking through the API needs a paid seat, and Free users get a 403.\n\n**Google Calendar API.** 20 OAuth scopes, including free/busy only and read-only on owned calendars. Google calendars only.\n\n## Before you call either\n\n### Calendly API + MCP\n\n1. Resolve the user's URI with GET /users/me before listing event types or busy times\n2. Pass `start_time` in UTC and the invitee's `timezone` when calling POST /invitees\n3. List the invitee's scheduled events before retrying a booking, since there's no idempotency key\n4. Read `X-RateLimit-Reset` on 429 and wait that many seconds\n5. Use a client with dynamic client registration for mcp.calendly.com, since it has no static client ID\n\n### Google Calendar API\n\n1. Ask for `calendar.events.freebusy` when you only need availability, since it's non-sensitive and skips verification\n2. Set your own event `id` on insert, and treat a 409 as already created\n3. Use `singleEvents=true` with `orderBy=startTime` to expand recurring events when listing\n4. On 410 `fullSyncRequired`, drop the stored `syncToken` and do a full sync\n5. Back off exponentially on 403 and 429 `usageLimits`, up to 32 or 64 seconds\n\n## Other comparisons with Calendly API + MCP or Google Calendar API\n\n- [Apiroc Unified Calendar API vs Calendly API + MCP](https://www.anchorterminal.com/compare/apiroc-vs-calendly.md)\n- [Apiroc Unified Calendar API vs Google Calendar API](https://www.anchorterminal.com/compare/apiroc-vs-google-calendar-api.md)\n- [Cal.com API v2 + MCP vs Calendly API + MCP](https://www.anchorterminal.com/compare/cal-com-vs-calendly.md)\n- [Cal.com API v2 + MCP vs Google Calendar API](https://www.anchorterminal.com/compare/cal-com-vs-google-calendar-api.md)\n- [Calendly API + MCP vs Cronofy API](https://www.anchorterminal.com/compare/calendly-vs-cronofy.md)\n- [Calendly API + MCP vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/calendly-vs-microsoft-graph-calendar.md)\n- [Calendly API + MCP vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/calendly-vs-nylas-calendar.md)\n- [Cronofy API vs Google Calendar API](https://www.anchorterminal.com/compare/cronofy-vs-google-calendar-api.md)\n- [Google Calendar API vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/google-calendar-api-vs-microsoft-graph-calendar.md)\n- [Google Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/google-calendar-api-vs-nylas-calendar.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Calendly API + MCP vs Google Calendar API", "url": "" } ], "description": "Google Calendar API has a score of 79.5 (A) against Calendly API + MCP's 68.4 (B). Both do calendar read. The largest gap is maintenance \u0026 community, 37 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Calendly API + MCP B 68.4", "Google Calendar API A 79.5", "scores" ], "h1": "Calendly API + MCP vs Google Calendar API", "image": "https://www.anchorterminal.com/assets/og/compare-calendly-vs-google-calendar-api.png", "path": "/compare/calendly-vs-google-calendar-api", "published": "2026-10-01", "section": "tools", "title": "Calendly API + MCP vs Google Calendar API for AI agents", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/calendly-vs-google-calendar-api" }, "tokens": { "markdown": 1500, "slim": 380 }, "version": 1 }