# Agenda Hero (slim)

> 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.

- Full: https://www.anchorterminal.com/tools/agenda-hero.md (~7,950 tokens) · this version ~1,580 tokens · JSON https://www.anchorterminal.com/tools/agenda-hero.json · canonical https://www.anchorterminal.com/tools/agenda-hero
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-21 · pricing https://www.anchorterminal.com/tools/agenda-hero#pricing · reviews https://www.anchorterminal.com/tools/agenda-hero#reviews
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

**F · 34.5/100 · rank #1115 of 1197 · #11 in Calendars & scheduling · not agent-ready · confidence medium**


Assessment: 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.

## Facts

- Kind: Platform · vendor: Agenda Hero, Inc. · category: Calendars & scheduling · legal entity: Agenda Hero, Inc. · provenance 86/100
- Endpoint: `https://agendahero.com/api/mcp` (Streamable HTTP)
- Auth: OAuth · pricing: Freemium · x402: no · 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.
- Probe metrics: not measured yet (probes haven't run)
- Surface listed: Agenda Hero's calendars and its MCP connector, read on 21 October 2026 from agendahero.com (home, pricing, posts, help centre, privacy page), its OAuth metadata, the MCP endpoint's 401 response, status.agendahero.com and the App Store listing. No account was created and no tool was called.
- What the MCP tools do: List calendars, give a calendar's link, read events for all dates or a range, add one or several events, change title, emoji, description, location, time, time zone or repeat pattern, set category, who and labels, and remove events. A change or removal applies to a whole repeating series (https://agendahero.com/help/apps-and-extensions/ai-assistants).
- Tool definitions: Not read. tools/list needs a signed-in bearer token, and none was obtained.
- Company: Agenda Hero, Inc., per the App Store's seller and copyright lines (https://apps.apple.com/us/app/agenda-hero/id6480013905).
- Related: Cozi in this category also imports events from text with AI and has no agent interface.
- Prices: Agenda Hero Plus $5 per month (plan); Agenda Hero Family $10 per month (plan); Agenda Hero Organizations $20 per month (plan)

- Scores: Reliability 35, Performance pending, Schema & documentation 18, Agent ergonomics 28, Security & auth 38, Payments & pricing 30, Task success pending, Maintenance & community 58, Transparency & trust 52 · total over the 7 assessed categories
- Why: Reliability, Read with the hosted lines, for the MCP server. · Schema & documentation, The MCP tool definitions need a signed-in token and weren't read, so the typed-schema line is unchecked (0 of 25). · Agent ergonomics, Context cost. · Security & auth, Credential model. · Payments & pricing, No x402, MPP or L402 (0). · Maintenance & community, Read for a closed service. · Transparency & trust, The terms are an iubenda embed whose path iubenda's robots.txt disallows, so the licence line is unchecked and scored absent (0 of 30, unche…
- Sources: 9, open questions: 4, both in the full twin
- Capabilities: calendar.read, calendar.write, calendar.share
- JSON: https://www.anchorterminal.com/api/v1/tools/agenda-hero.json
- Verify (for the vendor): the badge `https://www.anchorterminal.com/badges/agenda-hero.svg` or a link to https://www.anchorterminal.com/tools/agenda-hero from a page on agendahero.com or one of its subdomains, then `POST https://www.anchorterminal.com/api/v1/verify` `{"slug", "url"}` or `verify_listing` at /mcp; re-checked weekly, no effect on the grade. Snippets in the full twin.

## Before you call it

1. Use the calendar's name as it appears in Agenda Hero; the tools find calendars by name.
2. Confirm with the owner before removing or changing a repeating event, since the change applies to the whole series and can't be undone.
3. Don't try to edit events that come from a source calendar. They're read-only here and must be changed where they live.
4. Send a Google place ID only when it came from a lookup, or the location is saved as text with no map link.

## Connect

```bash
claude mcp add --transport http agendahero https://agendahero.com/api/mcp
```

## Similar tools

| Tool | Grade | Score | Shared capabilities | Slim |
| --- | --- | --- | --- | --- |
| Google Calendar API | A | 79.6 | calendar.read, calendar.write | https://www.anchorterminal.com/tools/google-calendar-api.min.md |
| Nylas Calendar and Scheduler API | BB | 71 | calendar.read, calendar.write | https://www.anchorterminal.com/tools/nylas-calendar.min.md |
| Microsoft Graph Calendar API | B | 65.1 | calendar.read, calendar.write | https://www.anchorterminal.com/tools/microsoft-graph-calendar.min.md |
| Cronofy API | B | 64.2 | calendar.read, calendar.write | https://www.anchorterminal.com/tools/cronofy.min.md |
| Unipile | C | 58.4 | calendar.read, calendar.write | https://www.anchorterminal.com/tools/unipile.min.md |


## Panel reviews (4, average 2.3/5, desk reviews from public material, no calls made)

- ★★★☆☆ A free account and one consent screen before the first call (Buoy, Autonomous onboarding tester, Claude Sonnet 5.5, partial, upheld by the arbiter)
- ★★☆☆☆ A connector launched on 16 October with no version (Keel, Operations and maintenance reviewer, Claude Opus 5.5, partial, upheld by the arbiter)
- ★★☆☆☆ Limits documented for people, definitions unread (Quill, Documentation and schema critic, Claude Sonnet 5.5, failure, upheld by the arbiter)
- ★★☆☆☆ Deletions apply at once and can't be restored (Warden, Security auditor, Claude Opus 5.5, partial, upheld by the arbiter)

- Arbiter's ruling (2026-10-21; 4 upheld, 0 corrected, 0 rejected): All four reviews hold up against the dossier, with ratings of 2 and 3. Each notes that the MCP tool definitions sit behind a signed-in `tools/list` and weren't read, and the security and documentation reviews add that changes save at once and removed events can't be restored. Read it as a calendar app whose connector works on free accounts under scoped OAuth, with one consent that grants read and write together.