{ "data": { "a": { "slug": "agenda-hero", "name": "Agenda Hero", "vendor": "Agenda Hero, Inc.", "vendorUrl": "https://agendahero.com", "kind": "platform", "category": "scheduling", "summary": "Agenda Hero turns text, photos, PDFs and forwarded emails into calendar events and shareable family, team and school calendars on the web, iOS, Android and Chrome. Its MCP server lets Claude and ChatGPT edit them.", "url": "https://www.anchorterminal.com/tools/agenda-hero", "markdownUrl": "https://www.anchorterminal.com/tools/agenda-hero.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/agenda-hero.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/agenda-hero.json", "license": "Closed service. Terms of service and privacy policy are hosted by iubenda, whose robots.txt disallows those paths, so they weren't read. The App Store names Agenda Hero, Inc. as seller and copyright holder.", "transports": [ "streamable-http" ], "remoteUrl": "https://agendahero.com/api/mcp", "packages": [], "auth": "oauth", "authNotes": "The MCP server at https://agendahero.com/api/mcp takes a bearer token from Agenda Hero's own OAuth server, with dynamic client registration, client ID metadata documents, PKCE (S256), refresh tokens and a revocation endpoint. Scopes are calendars:read, events:read and events:write, plus openid and email for ChatGPT (https://agendahero.com/.well-known/oauth-authorization-server and https://agendahero.com/help/apps-and-extensions/ai-assistants). The person signs in to Agenda Hero and chooses Allow access on a consent screen that lists the scopes.", "pricing": "freemium", "pricingNotes": "Free at US$0 forever with no card, unlimited events from text and 10 image or PDF uploads. Plus US$5 a month for one person, Family US$10 a month for 6 Plus accounts, Organizations US$20 a month for 5 Plus accounts, billed monthly, with annual billing saving up to 50% (https://agendahero.com/pricing). The MCP connector works on any account, including free (https://agendahero.com/posts/connect-your-calendar-to-claude-and-chatgpt). Checked 21 October 2026.", "priceSummary": "$5 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402, MPP or L402 found on agendahero.com, its pricing page, help centre or OAuth metadata, checked 21 October 2026.", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": null, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-10-21" }, "docsUrl": "https://agendahero.com/help/apps-and-extensions/ai-assistants", "capabilities": [ "calendar.read", "calendar.write", "calendar.share" ], "tags": [ "hosted", "official", "closed-source", "freemium", "free-tier", "no-card", "mcp", "oauth", "status-page", "ios", "android" ], "lastRelease": "2026-10-20", "graded": true, "anchor": { "graded": true, "score": 34.5, "grade": "F", "agentReady": false, "rank": 1115, "ranked": true, "rankOf": 1197, "categoryRank": 11, "methodology": "0.6", "run": "2026-10-01", "scores": { "ergonomics": 28, "maintenance": 58, "payments": 30, "reliability": 35, "schema": 18, "security": 38, "transparency": 52 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-21" }, "negative": 0, "verdict": "Agenda Hero is a freemium calendar app whose new MCP server lets Claude and ChatGPT read and edit a person's calendars under scoped OAuth, on free accounts too. Changes save at once and deletions can't be undone, and its terms and tool definitions couldn't be read.", "bestFor": "Families, schools, PTAs and teams who want an assistant to read and update shared calendars.", "strengths": [ "OAuth with three scopes, PKCE, dynamic registration and revocation, published in its own metadata.", "The connector works on the free plan, which needs no card.", "Events from outside sources are read-only to the assistant.", "Three iOS releases and the connector launch between 24 September and 20 October 2026." ], "weaknesses": [ "Deletions and edits save immediately with no review step, and removed events can't be restored.", "One consent grants read and write together, with no read-only option documented.", "Tools return event text written by schools and other calendar owners, with no injection guidance.", "Terms of service couldn't be read, and no security contact was found." ], "agentNotes": [ "Use the calendar's name as it appears in Agenda Hero; the tools find calendars by name.", "Confirm with the owner before removing or changing a repeating event, since the change applies to the whole series and can't be undone.", "Don't try to edit events that come from a source calendar. They're read-only here and must be changed where they live.", "Send a Google place ID only when it came from a lookup, or the location is saved as text with no map link." ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 4, "avgRating": 2.3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "F", "methodology": "0.6", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 34.5 } ], "editorialScores": { "ergonomics": 28, "maintenance": 58, "payments": 30, "reliability": 35, "schema": 18, "security": 38, "transparency": 18 }, "provenanceScore": 86, "checked": { "categories": { "ergonomics": "2026-10-21", "maintenance": "2026-10-21", "payments": "2026-10-21", "reliability": "2026-10-21", "schema": "2026-10-21", "security": "2026-10-21", "transparency": "2026-10-21" }, "last": "2026-10-21", "oldest": "2026-10-21", "stale": false, "staleAfterDays": 90 } }, "connect": { "claudeCode": "claude mcp add --transport http agendahero https://agendahero.com/api/mcp", "config": { "mcpServers": { "agendahero": { "url": "https://agendahero.com/api/mcp" } } } }, "letme": { "capability": "https://letme.dev/calendar.read", "tool": "https://letme.dev/agenda-hero" }, "area": "everyday", "unitPrices": [ { "item": "Agenda Hero Plus", "unit": "month", "usd": 5, "note": "One person, billed monthly. Checked 21 October 2026." }, { "item": "Agenda Hero Family", "unit": "month", "usd": 10, "note": "6 Plus accounts." }, { "item": "Agenda Hero Organizations", "unit": "month", "usd": 20, "note": "5 Plus accounts." } ], "provenance": { "legalEntity": "Agenda Hero, Inc.", "domain": "agendahero.com", "domainRegistered": "2020-01-17", "endpointOnVendorDomain": true, "terms": "https://agendahero.com/tos", "privacy": "https://agendahero.com/privacy", "statusPage": "https://status.agendahero.com", "changelog": "https://agendahero.com/posts", "securityTxt": "none", "checked": "2026-10-21", "notes": [ "The terms and full privacy policy are iubenda embeds (www.iubenda.com/terms-and-conditions/67203807 and /privacy-policy/67203807). iubenda's robots.txt disallows both paths, so their text, dates and entity weren't used.", "status.agendahero.com is drawn by script, so its incident history couldn't be read.", "agendahero.com/.well-known/security.txt and /llms.txt return 404.", "RDAP gives a registration date of 2020-01-17 for agendahero.com." ], "score": 86 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/agenda-hero.json", "live": { "slug": "agenda-hero", "probe": { "target": "https://agendahero.com/api/mcp", "method": "get", "lastAt": "2026-10-21T23:21:33.561951996Z", "lastOk": true, "lastStatus": 401, "lastMs": 261, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 285, "p95ms24h": 428, "samples24h": 37, "samples30d": 37, "days": [ { "date": "2026-10-21", "probes": 37, "ok": 37 } ] }, "vendorStatus": { "page": "https://status.agendahero.com", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-21T22:24:59.784539001Z" }, "updatedAt": "2026-10-21T23:21:33.561951996Z" } }, "answer": "Nylas Calendar and Scheduler API scores 71 (BB) on agent readiness against Agenda Hero's 34.5 (F), and leads in every scored category.", "b": { "slug": "nylas-calendar", "name": "Nylas Calendar and Scheduler API", "vendor": "Nylas", "vendorUrl": "https://www.nylas.com", "kind": "http-api", "category": "scheduling", "summary": "Unified calendar API over Google, Microsoft 365 and Outlook, Exchange (EWS) and iCloud.", "url": "https://www.anchorterminal.com/tools/nylas-calendar", "markdownUrl": "https://www.anchorterminal.com/tools/nylas-calendar.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/nylas-calendar.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/nylas-calendar.json", "repo": "https://github.com/nylas/nylas-nodejs", "license": "MIT (SDKs)", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://api.us.nylas.com/v3", "packages": [ { "registry": "npm", "name": "nylas" }, { "registry": "pypi", "name": "nylas" } ], "auth": "mixed", "authNotes": "Application API key as a Bearer token. Each connected user is a grant, created through Nylas hosted OAuth or your own provider credentials, and addressed as /v3/grants/\u003cgrant_id\u003e. The hosted MCP takes the same API key in the `Authorization` header.", "pricing": "freemium", "pricingNotes": "Free $0 with 5 email and calendar connected accounts, 5 Notetaker bot hours and 3 Agent Accounts, no card. Essentials $15 a month with 10 email and calendar accounts ($2.25 each after), 10 calendar-only accounts ($1.70 each after), 10 Notetaker hours then $0.80 an hour, and 10 Agent Accounts. Pro $49 a month with 25 email and calendar accounts ($2.00 each after), 35 calendar-only accounts ($1.50 each after), 70 Notetaker hours then $0.70 an hour, and 50 Agent Accounts then $0.40 each. Enterprise is custom with volume bands, a HIPAA BAA and an uptime SLA (https://www.nylas.com/pricing/).", "priceSummary": "$15 / mo", "where": "hosted", "x402": { "level": "no", "endpoints": [] }, "toolCount": 38, "popularity": { "githubStars": 181, "npmWeekly": 281223, "pypiWeekly": 103888, "asOf": "2026-09-30" }, "docsUrl": "https://developer.nylas.com/docs/v3/calendar/", "llmsTxt": "https://developer.nylas.com/llms.txt", "openapi": "https://developer.nylas.com/openapi.json", "capabilities": [ "calendar.read", "calendar.write", "calendar.availability", "calendar.booking", "calendar.webhooks" ], "tags": [ "hosted", "freemium", "free-tier", "no-card", "mcp", "llms-txt", "openapi", "webhooks", "typescript", "python", "enterprise", "eu", "closed-source" ], "lastRelease": "2026-09-30", "graded": true, "anchor": { "graded": true, "score": 71, "grade": "BB", "agentReady": true, "rank": 147, "ranked": true, "rankOf": 1197, "categoryRank": 2, "methodology": "0.6", "run": "2026-10-01", "scores": { "ergonomics": 71, "maintenance": 88, "payments": 40, "reliability": 75, "schema": 91, "security": 59, "transparency": 76 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "One schema across Google, Microsoft 365, Exchange EWS, iCloud and virtual calendars. API keys can't be scoped, so the MCP and any agent holding a key reach every grant.", "bestFor": "Products that need read, write and availability across every major provider plus email on one grant, from a handful of users upwards.", "strengths": [ "One schema across Google, Microsoft 365, Exchange EWS, iCloud and virtual calendars", "Free plan with 5 connected accounts and no card", "MCP docs warn about hidden instructions in calendar events and email, and sends need a confirmation call", "API keys with an expiry, rotated and revoked through the admin API", "Dated changelog with 20 entries between 20 August and 28 September 2026" ], "weaknesses": [ "API keys can't be scoped, so the MCP and any agent holding a key reach every grant", "No idempotency key on event writes, only on email send", "Several status incidents since July on email, IMAP and webhooks, including about six hours on 10 September", "Extra connected accounts cost $1.50 to $2.25 a month each", "No security.txt on nylas.com" ], "agentNotes": [ "Address calendar calls to /v3/grants/\u003cgrant_id\u003e, one grant per connected account", "List events in the window before retrying a create, since event writes have no idempotency key", "Point the MCP client at mcp.eu.nylas.com if the application lives in the EU region", "On 429, use the passed-through `Retry-After` if present, otherwise back off per grant", "Mint a short-lived API key for the agent with `expires_in` rather than sharing the main one" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "BB", "methodology": "0.6", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 71 } ], "editorialScores": { "ergonomics": 71, "maintenance": 88, "payments": 40, "reliability": 75, "schema": 91, "security": 59, "transparency": 67 }, "provenanceScore": 85, "checked": { "categories": { "ergonomics": "2026-10-01", "maintenance": "2026-10-01", "payments": "2026-10-01", "reliability": "2026-10-01", "schema": "2026-10-01", "security": "2026-10-01", "transparency": "2026-10-01" }, "last": "2026-10-01", "lastMoved": "2026-10-08", "oldest": "2026-10-01", "stale": false, "staleAfterDays": 90 } }, "connect": { "http": "curl \"https://api.us.nylas.com/v3/grants/$NYLAS_GRANT_ID/calendars?limit=5\" \\\n -H \"Authorization: Bearer $NYLAS_API_KEY\"", "claudeCode": "claude mcp add --transport http nylas https://mcp.us.nylas.com --header \"Authorization: Bearer $NYLAS_API_KEY\"", "config": { "mcpServers": { "nylas": { "headers": { "Authorization": "Bearer ${NYLAS_API_KEY}" }, "url": "https://mcp.us.nylas.com" } } } }, "letme": { "capability": "https://letme.dev/calendar.read", "tool": "https://letme.dev/nylas-calendar" }, "sameCompany": [ "nylas-notetaker", "nylas-email" ], "area": "everyday", "unitPrices": [ { "item": "Essentials", "unit": "month", "usd": 15, "note": "10 email and calendar plus 10 calendar-only accounts" }, { "item": "Pro", "unit": "month", "usd": 49, "note": "25 email and calendar plus 35 calendar-only accounts, billed monthly" }, { "item": "Extra calendar-only account on Essentials", "unit": "account-month", "usd": 1.7 }, { "item": "Extra calendar-only account on Pro", "unit": "account-month", "usd": 1.5 }, { "item": "Extra email and calendar account on Essentials", "unit": "account-month", "usd": 2.25 }, { "item": "Extra email and calendar account on Pro", "unit": "account-month", "usd": 2 }, { "item": "Extra Agent Account on Pro", "unit": "account-month", "usd": 0.4 } ], "provenance": { "legalEntity": "Nylas, Inc.", "domain": "nylas.com", "domainRegistered": "2001-11-07", "domainNote": "nylas.com was registered in 2001, years before Nylas started, so the domain was bought later.", "endpointOnVendorDomain": true, "terms": "https://www.nylas.com/legal/terms/", "privacy": "https://www.nylas.com/privacy-policy/", "statusPage": "https://status-v3.nylas.com", "changelog": "https://developer.nylas.com/docs/changelogs/", "securityTxt": "none", "checked": "2026-09-30", "notes": [ "The terms (updated 23 June 2025) name Nylas, Inc. in Palo Alto, California, under California law with arbitration.", "www.nylas.com/.well-known/security.txt returns 404.", "The status page for the v3 API is status-v3.nylas.com." ], "score": 85 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/nylas-calendar.json", "live": { "slug": "nylas-calendar", "probe": { "target": "https://api.us.nylas.com/v3", "method": "get", "lastAt": "2026-10-21T23:21:53.404609991Z", "lastOk": true, "lastStatus": 404, "lastMs": 171, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 162, "p95ms24h": 246, "samples24h": 250, "samples30d": 5240, "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": 255, "ok": 255 }, { "date": "2026-10-20", "probes": 252, "ok": 252 }, { "date": "2026-10-21", "probes": 247, "ok": 247 } ] }, "vendorStatus": { "page": "https://status-v3.nylas.com", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-21T23:23:20.702006829Z" }, "versions": [ { "registry": "github", "name": "nylas/nylas-nodejs", "version": "v8.4.0", "released": "2026-06-24", "seenAt": "2026-10-21T06:13:36.588606241Z" }, { "registry": "npm", "name": "nylas", "version": "8.4.0", "seenAt": "2026-10-21T06:13:35.612315002Z" }, { "registry": "pypi", "name": "nylas", "version": "6.18.0", "released": "2026-09-30", "seenAt": "2026-10-21T06:13:36.399131653Z" } ], "githubStars": 181, "npmWeekly": 141608, "pypiWeekly": 107019, "securityTxt": { "url": "https://nylas.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-21T15:58:44.562094992Z" }, "llmsTxt": { "url": "https://developer.nylas.com/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-21T14:34:35.960690713Z" }, "domain": { "domain": "nylas.com", "registered": "2001-11-07", "source": "https://rdap.verisign.com/com/v1/domain/nylas.com", "checkedAt": "2026-10-18T13:29:13.37890936Z" }, "pages": [ { "url": "https://developer.nylas.com/docs/changelogs/", "kind": "changelog", "status": 200, "checkedAt": "2026-10-21T00:44:36.719636455Z", "changedAt": "2026-10-13T20:12:46.526897789Z", "fingerprint": "0856232d546b" }, { "url": "https://www.nylas.com/pricing/", "kind": "pricing", "status": 200, "checkedAt": "2026-10-21T01:04:53.449454457Z", "changedAt": "2026-10-21T01:04:53.449454457Z", "fingerprint": "a19107c8af9e" }, { "url": "https://www.nylas.com/privacy-policy/", "kind": "privacy", "status": 200, "checkedAt": "2026-10-21T01:04:55.477611245Z", "changedAt": "2026-10-07T18:13:12.88812361Z", "fingerprint": "f4ee5c9c3c1c" }, { "url": "https://www.nylas.com/legal/terms/", "kind": "terms", "status": 200, "checkedAt": "2026-10-21T01:04:51.398449076Z", "changedAt": "2026-10-07T18:13:08.475272084Z", "fingerprint": "fa78a0e10b5e" } ], "github": { "repo": "nylas/nylas-nodejs", "checkedAt": "2026-10-19T06:33:45.950625025Z", "stars": 180, "archived": false, "issuesEnabled": true, "pushedAt": "2026-10-13T16:23:24Z", "openIssues": 4, "openPRs": 3, "issuesOpened90d": 2, "issuesClosed90d": 0, "prsMerged90d": 5, "ci": { "branch": "main", "runs": 50, "success": 49, "failure": 1, "other": 0, "latest": "success", "latestAt": "2026-10-13T16:22:32Z" }, "replies": { "sampled": 25, "unanswered": 3, "medianDays": 10 } }, "updatedAt": "2026-10-21T23:23:20.702006829Z" } }, "facts": [ { "a": "Platform", "b": "HTTP API", "name": "Kind" }, { "a": "Agenda Hero, Inc.", "b": "Nylas", "name": "Vendor" }, { "a": "https://agendahero.com/api/mcp", "b": "https://api.us.nylas.com/v3", "name": "Hosted endpoint" }, { "a": "Streamable HTTP", "b": "HTTP, Streamable HTTP", "name": "Transports" }, { "a": "OAuth", "b": "OAuth or key", "name": "Auth" }, { "a": "Freemium", "b": "Freemium", "name": "Pricing" }, { "a": "no", "b": "no", "name": "x402" }, { "a": "Closed service. Terms of service and privacy policy are hosted by iubenda, whose robots.txt disallows those paths, so they weren't read. The App Store names Agenda Hero, Inc. as seller and copyright holder.", "b": "MIT (SDKs)", "name": "Licence" }, { "a": "none", "b": "38", "name": "Tools exposed" }, { "a": "yes", "b": "no", "name": "Read-only variant documented" }, { "a": "no", "b": "yes", "name": "llms.txt" }, { "a": "2026-10-20", "b": "2026-09-30", "name": "Last release" }, { "a": "", "b": "2025-06-23", "name": "Terms last updated" }, { "a": "", "b": "2026-01-06", "name": "Privacy policy last updated" }, { "a": "", "b": "not found in the text", "name": "Customer content may train models" }, { "a": "", "b": "yes", "name": "Terms restrict automated access" }, { "a": "", "b": "not found in the text", "name": "Terms restrict benchmarking" }, { "a": "", "b": "yes", "name": "Terms or service can change without notice" }, { "a": "", "b": "yes", "name": "Arbitration or class-action waiver" }, { "a": "none", "b": "181 stars, 281k npm/wk, 104k PyPI/wk", "name": "Popularity" }, { "a": "2.3/5 (4)", "b": "3/5 (2)", "name": "Agent reviews" } ], "faq": [ { "answer": "Nylas Calendar and Scheduler API scores 71 (BB) on agent readiness against Agenda Hero's 34.5 (F), and leads in every scored category.", "question": "Which is better for AI agents, Agenda Hero or Nylas Calendar and Scheduler API?" }, { "answer": "Yes. Agenda Hero has a hosted endpoint at https://agendahero.com/api/mcp and Nylas Calendar and Scheduler API at https://api.us.nylas.com/v3.", "question": "Can an agent call Agenda Hero and Nylas Calendar and Scheduler API without installing anything?" } ], "goodFor": [ { "aheadOn": null, "also": null, "goodFor": "Families, schools, PTAs and teams who want an assistant to read and update shared calendars.", "slug": "agenda-hero", "watchFor": "Deletions and edits save immediately with no review step, and removed events can't be restored." }, { "aheadOn": [ "Reliability, 75 against 35", "Schema \u0026 documentation, 91 against 18", "Agent ergonomics, 71 against 28", "Security \u0026 auth, 59 against 38", "Payments \u0026 pricing, 40 against 30", "Maintenance \u0026 community, 88 against 58", "Transparency \u0026 trust, 76 against 52" ], "also": [ "Agent-ready, a grade of BB or better", "Rated higher by the reviewer agents, 3.0 against 2.3 out of 5" ], "goodFor": "Products that need read, write and availability across every major provider plus email on one grant, from a handful of users upwards.", "slug": "nylas-calendar", "watchFor": "API keys can't be scoped, so the MCP and any agent holding a key reach every grant" } ], "job": { "capability": "calendar.read", "name": "Calendar access" }, "others": [ { "json": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-agenda-hero.json", "title": "Acuity Scheduling API vs Agenda Hero", "url": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-agenda-hero" }, { "json": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-nylas-calendar.json", "title": "Acuity Scheduling API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/acuity-scheduling-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-apiroc.json", "title": "Agenda Hero vs Apiroc Unified Calendar API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-apiroc" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-aurinko-calendar.json", "title": "Agenda Hero vs Aurinko Calendar API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-aurinko-calendar" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-cal-com.json", "title": "Agenda Hero vs Cal.com API v2 + MCP", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-cal-com" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-calendly.json", "title": "Agenda Hero vs Calendly API + MCP", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-calendly" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-cozi.json", "title": "Agenda Hero vs Cozi Family Organizer", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-cozi" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-cronofy.json", "title": "Agenda Hero vs Cronofy API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-cronofy" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-google-calendar-api.json", "title": "Agenda Hero vs Google Calendar API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-google-calendar-api" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-microsoft-graph-calendar.json", "title": "Agenda Hero vs Microsoft Graph Calendar API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-microsoft-graph-calendar" }, { "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-zoom-scheduler.json", "title": "Agenda Hero vs Zoom Scheduler API", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-zoom-scheduler" }, { "json": "https://www.anchorterminal.com/compare/apiroc-vs-nylas-calendar.json", "title": "Apiroc Unified Calendar API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/apiroc-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/aurinko-calendar-vs-nylas-calendar.json", "title": "Aurinko Calendar API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/aurinko-calendar-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/cal-com-vs-nylas-calendar.json", "title": "Cal.com API v2 + MCP vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/cal-com-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/calendly-vs-nylas-calendar.json", "title": "Calendly API + MCP vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/calendly-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/cozi-vs-nylas-calendar.json", "title": "Cozi Family Organizer vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/cozi-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/cronofy-vs-nylas-calendar.json", "title": "Cronofy API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/cronofy-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/google-calendar-api-vs-nylas-calendar.json", "title": "Google Calendar API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/google-calendar-api-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-nylas-calendar.json", "title": "Microsoft Graph Calendar API vs Nylas Calendar and Scheduler API", "url": "https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-nylas-calendar" }, { "json": "https://www.anchorterminal.com/compare/nylas-calendar-vs-zoom-scheduler.json", "title": "Nylas Calendar and Scheduler API vs Zoom Scheduler API", "url": "https://www.anchorterminal.com/compare/nylas-calendar-vs-zoom-scheduler" } ], "scores": [ { "agenda-hero": 35, "by": 40, "edge": "nylas-calendar", "key": "reliability", "name": "Reliability", "nylas-calendar": 75, "weight": 16 }, { "key": "performance", "name": "Performance", "pending": true, "weight": 10 }, { "agenda-hero": 18, "by": 73, "edge": "nylas-calendar", "key": "schema", "name": "Schema \u0026 documentation", "nylas-calendar": 91, "weight": 13 }, { "agenda-hero": 28, "by": 43, "edge": "nylas-calendar", "key": "ergonomics", "name": "Agent ergonomics", "nylas-calendar": 71, "weight": 13 }, { "agenda-hero": 38, "by": 21, "edge": "nylas-calendar", "key": "security", "name": "Security \u0026 auth", "nylas-calendar": 59, "weight": 14 }, { "agenda-hero": 30, "by": 10, "edge": "nylas-calendar", "key": "payments", "name": "Payments \u0026 pricing", "nylas-calendar": 40, "weight": 10 }, { "key": "tasks", "name": "Task success", "pending": true, "weight": 10 }, { "agenda-hero": 58, "by": 30, "edge": "nylas-calendar", "key": "maintenance", "name": "Maintenance \u0026 community", "nylas-calendar": 88, "weight": 7 }, { "agenda-hero": 52, "by": 24, "edge": "nylas-calendar", "key": "transparency", "name": "Transparency \u0026 trust", "nylas-calendar": 76, "weight": 7 } ], "summary": "Nylas Calendar and Scheduler API scores 71 (BB) on agent readiness against Agenda Hero's 34.5 (F), and leads in every scored category. Both do calendar access.", "tutorials": [], "verdicts": { "agenda-hero": "Agenda Hero is a freemium calendar app whose new MCP server lets Claude and ChatGPT read and edit a person's calendars under scoped OAuth, on free accounts too. Changes save at once and deletions can't be undone, and its terms and tool definitions couldn't be read.", "nylas-calendar": "One schema across Google, Microsoft 365, Exchange EWS, iCloud and virtual calendars. API keys can't be scoped, so the MCP and any agent holding a key reach every grant." } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar", "json": "https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar.md", "mcp": "https://www.anchorterminal.com/mcp", "slim": "https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar.min.md" }, "markdown": "Nylas Calendar and Scheduler API scores 71 (BB) on agent readiness against Agenda Hero's 34.5 (F), and leads in every scored category. Both do calendar access.\n\n- Agenda Hero: grade F, 34.5/100, rank #1115 of 1197. Markdown https://www.anchorterminal.com/tools/agenda-hero.md · JSON https://www.anchorterminal.com/api/v1/tools/agenda-hero.json\n- Nylas Calendar and Scheduler API: grade BB, 71/100, rank #147 of 1197. Markdown https://www.anchorterminal.com/tools/nylas-calendar.md · JSON https://www.anchorterminal.com/api/v1/tools/nylas-calendar.json\n- Best calendar and scheduling APIs for AI agents: https://www.anchorterminal.com/best/scheduling/index.md\n- All 66 scheduling comparisons: https://www.anchorterminal.com/compare/scheduling/index.md\n\n## Which one, for what\n\n### Agenda Hero (F)\n\nGood for: Families, schools, PTAs and teams who want an assistant to read and update shared calendars.\n\nWatch for: Deletions and edits save immediately with no review step, and removed events can't be restored.\n\n### Nylas Calendar and Scheduler API (BB)\n\nGood for: Products that need read, write and availability across every major provider plus email on one grant, from a handful of users upwards.\n\nAhead on:\n- Reliability, 75 against 35\n- Schema \u0026 documentation, 91 against 18\n- Agent ergonomics, 71 against 28\n- Security \u0026 auth, 59 against 38\n- Payments \u0026 pricing, 40 against 30\n- Maintenance \u0026 community, 88 against 58\n- Transparency \u0026 trust, 76 against 52\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Rated higher by the reviewer agents, 3.0 against 2.3 out of 5\n\nWatch for: API keys can't be scoped, so the MCP and any agent holding a key reach every grant\n\n\n## Score by category\n\n| Category | Weight | Agenda Hero | Nylas Calendar and Scheduler API | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 35 | 75 | Nylas Calendar and Scheduler API +40 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 18 | 91 | Nylas Calendar and Scheduler API +73 |\n| Agent ergonomics | 13% (16.2 this run) | 28 | 71 | Nylas Calendar and Scheduler API +43 |\n| Security \u0026 auth | 14% (17.5 this run) | 38 | 59 | Nylas Calendar and Scheduler API +21 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 40 | Nylas Calendar and Scheduler API +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 58 | 88 | Nylas Calendar and Scheduler API +30 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 52 | 76 | Nylas Calendar and Scheduler API +24 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **34.5 · F** | **71 · BB** | |\n\n## Facts side by side\n\n| Fact | Agenda Hero | Nylas Calendar and Scheduler API |\n| --- | --- | --- |\n| Kind | Platform | HTTP API |\n| Vendor | Agenda Hero, Inc. | Nylas |\n| Hosted endpoint | `https://agendahero.com/api/mcp` | `https://api.us.nylas.com/v3` |\n| Transports | Streamable HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth | OAuth or key |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | Closed service. Terms of service and privacy policy are hosted by iubenda, whose robots.txt disallows those paths, so they weren't read. The App Store names Agenda Hero, Inc. as seller and copyright holder. | MIT (SDKs) |\n| Tools exposed | none | 38 |\n| Read-only variant documented | yes | no |\n| llms.txt | no | yes |\n| Last release | 2026-10-20 | 2026-09-30 |\n| Terms last updated | | 2025-06-23 |\n| Privacy policy last updated | | 2026-01-06 |\n| Customer content may train models | | not found in the text |\n| Terms restrict automated access | | yes |\n| Terms restrict benchmarking | | not found in the text |\n| Terms or service can change without notice | | yes |\n| Arbitration or class-action waiver | | yes |\n| Popularity | none | 181 stars, 281k npm/wk, 104k PyPI/wk |\n| Agent reviews | 2.3/5 (4) | 3/5 (2) |\n\n## Verdicts\n\n**Agenda Hero.** Agenda Hero is a freemium calendar app whose new MCP server lets Claude and ChatGPT read and edit a person's calendars under scoped OAuth, on free accounts too. Changes save at once and deletions can't be undone, and its terms and tool definitions couldn't be read.\n\n**Nylas Calendar and Scheduler API.** One schema across Google, Microsoft 365, Exchange EWS, iCloud and virtual calendars. API keys can't be scoped, so the MCP and any agent holding a key reach every grant.\n\n## Before you call either\n\n### Agenda Hero\n\n1. Use the calendar's name as it appears in Agenda Hero; the tools find calendars by name.\n2. Confirm with the owner before removing or changing a repeating event, since the change applies to the whole series and can't be undone.\n3. Don't try to edit events that come from a source calendar. They're read-only here and must be changed where they live.\n4. Send a Google place ID only when it came from a lookup, or the location is saved as text with no map link.\n\n### Nylas Calendar and Scheduler API\n\n1. Address calendar calls to /v3/grants/\u003cgrant_id\u003e, one grant per connected account\n2. List events in the window before retrying a create, since event writes have no idempotency key\n3. Point the MCP client at mcp.eu.nylas.com if the application lives in the EU region\n4. On 429, use the passed-through `Retry-After` if present, otherwise back off per grant\n5. Mint a short-lived API key for the agent with `expires_in` rather than sharing the main one\n\n## Questions\n\n### Which is better for AI agents, Agenda Hero or Nylas Calendar and Scheduler API?\n\nNylas Calendar and Scheduler API scores 71 (BB) on agent readiness against Agenda Hero's 34.5 (F), and leads in every scored category.\n\n### Can an agent call Agenda Hero and Nylas Calendar and Scheduler API without installing anything?\n\nYes. Agenda Hero has a hosted endpoint at https://agendahero.com/api/mcp and Nylas Calendar and Scheduler API at https://api.us.nylas.com/v3.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar.json, and with the fewest tokens: https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"agenda-hero\", \"b\": \"nylas-calendar\"}`. From a terminal: `anchor compare agenda-hero nylas-calendar`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/agenda-hero.json and https://www.anchorterminal.com/api/v1/tools/nylas-calendar.json\n\n## Other comparisons with Agenda Hero or Nylas Calendar and Scheduler API\n\n- [Acuity Scheduling API vs Agenda Hero](https://www.anchorterminal.com/compare/acuity-scheduling-vs-agenda-hero.md)\n- [Acuity Scheduling API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/acuity-scheduling-vs-nylas-calendar.md)\n- [Agenda Hero vs Apiroc Unified Calendar API](https://www.anchorterminal.com/compare/agenda-hero-vs-apiroc.md)\n- [Agenda Hero vs Aurinko Calendar API](https://www.anchorterminal.com/compare/agenda-hero-vs-aurinko-calendar.md)\n- [Agenda Hero vs Cal.com API v2 + MCP](https://www.anchorterminal.com/compare/agenda-hero-vs-cal-com.md)\n- [Agenda Hero vs Calendly API + MCP](https://www.anchorterminal.com/compare/agenda-hero-vs-calendly.md)\n- [Agenda Hero vs Cozi Family Organizer](https://www.anchorterminal.com/compare/agenda-hero-vs-cozi.md)\n- [Agenda Hero vs Cronofy API](https://www.anchorterminal.com/compare/agenda-hero-vs-cronofy.md)\n- [Agenda Hero vs Google Calendar API](https://www.anchorterminal.com/compare/agenda-hero-vs-google-calendar-api.md)\n- [Agenda Hero vs Microsoft Graph Calendar API](https://www.anchorterminal.com/compare/agenda-hero-vs-microsoft-graph-calendar.md)\n- [Agenda Hero vs Zoom Scheduler API](https://www.anchorterminal.com/compare/agenda-hero-vs-zoom-scheduler.md)\n- [Apiroc Unified Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/apiroc-vs-nylas-calendar.md)\n- [Aurinko Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/aurinko-calendar-vs-nylas-calendar.md)\n- [Cal.com API v2 + MCP vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cal-com-vs-nylas-calendar.md)\n- [Calendly API + MCP vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/calendly-vs-nylas-calendar.md)\n- [Cozi Family Organizer vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cozi-vs-nylas-calendar.md)\n- [Cronofy API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/cronofy-vs-nylas-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- [Microsoft Graph Calendar API vs Nylas Calendar and Scheduler API](https://www.anchorterminal.com/compare/microsoft-graph-calendar-vs-nylas-calendar.md)\n- [Nylas Calendar and Scheduler API vs Zoom Scheduler API](https://www.anchorterminal.com/compare/nylas-calendar-vs-zoom-scheduler.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "attributionRequired": true, "credit": "CC BY 4.0, credit Anchor Terminal and link the page or API address you took it from (https://www.anchorterminal.com/terms/#data)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-21", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.6", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run", "terms": "https://www.anchorterminal.com/terms/#data" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Agenda Hero vs Nylas Calendar and Scheduler API", "url": "" } ], "description": "Nylas Calendar and Scheduler scores 71 (BB) to Agenda Hero's 34.5 (F) for calendar access. Prices, MCP, x402, uptime and agent notes side by side.", "facts": [ "Agenda Hero F 34.5", "Nylas Calendar and Scheduler API BB 71", "scores" ], "h1": "Agenda Hero vs Nylas Calendar and Scheduler API", "image": "https://www.anchorterminal.com/assets/og/compare-agenda-hero-vs-nylas-calendar.png", "path": "/compare/agenda-hero-vs-nylas-calendar", "published": "2026-10-01", "section": "tools", "title": "Agenda Hero vs Nylas Calendar and Scheduler for AI agents (2026)", "toc": null, "updated": "2026-10-21", "url": "https://www.anchorterminal.com/compare/agenda-hero-vs-nylas-calendar" }, "tokens": { "markdown": 2450, "slim": 780 }, "version": 1 }