Agents should have their own calendar - AgentNews #35
Agent News #035
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Agent News #035 Every AgentMail inbox now comes with its own calendar → ( https://docs.agentmail.to/calendar-webhooks?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Agent News Issue 035 · October 2026 ************************************* Agents should have their own calendar ************************************* Yesterday, I saw a YouTube ad from a different provider that said "AgentMail does not have a calendar, and we do." That is a lie. Every AgentMail inbox gets its own calendar. You don't have to do anything new. When you create an inbox, the calendar gets created with it. Today I wanted to write about why agents need a calendar in the first place. Let me walk you through a real scenario that happened last week. I have an in-house-built sales agent called Jordan that interacts with leads before calls. It books a demo with a prospect and sends them a custom quote 30 minutes before the call. Last Wednesday, one of the prospects moved the call to Friday. But Jordan sent the quote 30 minutes before the previous time. If Jordan had a calendar, it would have probably not done that and sent the invite at the right time. More on this later. ---------------------- Why an agent needs one ---------------------- Agents can already schedule reminders and book calls. But a reminder is often a timer the agent sets for itself, while something like a meeting belongs to other people too, and they can move it without the reminder being notified. You could connect the two things yourself by parsing calendar updates, expanding recurring events, converting time zones, and basically running a scheduler app. But that's a service you'd have to actually maintain for the agent. We believe that if you're paying actual money for a personal agent, your work should be done for you, and not the other way around. You shouldn't have to lay down any groundwork. Something as basic as managing a calendar should be built into agent infra. Most of what an agent agrees to, like a demo or a renewal call, gets agreed in email. The calendar gives each of those a start and end time the agent can act on. ------------------------- Read yours, write its own ------------------------- Usually, what happens is you give the agent read and write access to your personal calendar, so it will see calls that you have with lawyers or one-on-ones where you talk about letting someone go (basically, calls that the agent or anybody else probably should not see). Your agent does not need to know when you're free and what you're up to at all times. This is where the "share free/busy only" feature Google and Outlook provide comes into play. The agents will be able to see that 2 to 3 pm is taken, but not what the call is about. Everything it books goes into its own calendar with you invited, so you can accept or decline. ---------------------- Agents as AI employees ---------------------- When a new employee joins a company, the first thing that happens is that IT gives them a new email address and the rest of the Google Suite products, including a calendar and a drive folder. That's often treated as the basic access layer for an employee. We believe that agents should start the same way. Agents should have the same access to the same infrastructure that we already have in order to become the best employee they can. That starts with email and a calendar, cheap enough that every agent you run can get them. We started with email, added accounts at other apps through AgentID, and now it has the calendar. ----------------- The future is A2A ----------------- The not-so-distant future will be full of agents working together with you on the sidelines. This is a good thing. You can probably think of many different things you'd rather have somebody else manage for you. This includes scheduling and coordinating with third parties such as vendors. Say your agent is booking a demo with a prospect, and the prospect has their own agent handling their schedule. Your agent emails that agent two times that work. Their agent picks Thursday at 3. Your agent sends the invite to that agent's address, it accepts, and the demo lands on both calendars. If the prospect later moves it to Friday, their agent updates the invite and your agent's calendar moves with it. Neither company built an integration with the other. Each agent only needed an email address and a calendar. You could do this with Google Calendar if you gave each agent its own Google account. But you should not have to, because that's a paid seat per agent. ------------ How it works ------------ AgentMail calendar It works the same way your Google Calendar does. You can invite the agent's email address to events, and it'll show up on its calendar. The agent can accept, decline, or reply tentative. It can also create events and invite people, who will get a normal invite in Google or Outlook. Your agent gets a webhook for everything that happens on its calendar: calendar.event.created when an event is added calendar.event.updated when an event changes, with the old details included, so the agent can see a call moved to Friday calendar.event.deleted when an event is removed calendar.event.responded when an RSVP comes in calendar.event.starting and calendar.event.ending when it begins and ends, usually within a minute and never early If someone moves the event, the webhook moves with it. If they cancel, nothing fires. It also handles: • Recurring events, including moving or cancelling one date in a series • A time zone per inbox • Safe retries, so a flaky network never double-books anyone • Invitation emails that arrive with the calendar event already attached, so the agent can reply straight from the inbox webhook • API keys you can scope to read-only calendar access • MCP tools, so Claude or Cursor can check the agenda and answer invites without writing code You can check the calendar UI in the AgentMail console. Anything still waiting for a reply gets a badge. --------- The catch --------- Anyone with your agent's address can send it an invite, and the title and description go straight into its context. If this is a concern, you can actually use our allow list and block list features to dictate who your agent can accept invites from and who your agent can send invites to. If you want to take it a step further, you can enable Agent Armor that screens all inbound email for prompt injection. ---------------------------------------- What your agent can do with its calendar ---------------------------------------- • Send the call link when a meeting starts, even if the meeting moved twice. • Follow up when a call ends. • Accept invites from people it works with and ignore the rest. • Book a call with a prospect and send you an invite to accept before anything is confirmed. • Run a weekly Monday check-in and email the status update when it starts. Documentation here ( https://docs.agentmail.to/calendar-webhooks?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ). Read the calendar documentation → ( https://docs.agentmail.to/calendar-webhooks?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Spotlight AgentMail Agent Armor is live Email is one of the largest attack surfaces for an agent, because untrusted inbound mail is a direct route for prompt injection. We trained a specialized model to detect malicious email. In beta it stopped attempts to hijack workflows, extract sensitive bank data, and trigger unauthorized actions. Watch the announcement → ( https://x.com/michaelhyunkim/status/2115132496560169100?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) AgentMail One billion emails processed, and a new website AgentMail has now officially processed over a billion emails. To mark it, we shipped a new website. The new AgentMail website ( https://agentmail.to?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Watch the announcement → ( https://x.com/michaelhyunkim/status/2112936820900331976?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) See the new site → ( https://agentmail.to?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) AgentID AgentID is now available for Descope Teams building on Descope can now give their agents a verified identity through AgentID. Native integration, no custom auth plumbing. Read the announcement → ( https://www.agentid.com/blog/agentid-for-descope?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Startup Spotlight The Prompting Company They help products get discovered and used by AI agents. One side tracks what customers ask AI assistants and whether your product comes up in the answer. The other tests whether an agent can actually find your docs and finish a task inside your product. promptingcompany.com → ( https://promptingcompany.com/?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Good Reads Why Claude Came Last in Our AI Agent Evals ( https://www.agentmail.to/blog/why-claude-came-last-ai-agent-evals?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Read it on agentmail.to → ( https://www.agentmail.to/blog/why-claude-came-last-ai-agent-evals?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Upcoming Events Nov 11 Notion Presents: The Software Factory Debate Wednesday 11 November · 17:00 to 20:00 PT San Francisco, United States Register → ( https://luma.com/gb4qi4co?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Nov 19 Agentic + AI Night: AI Agents Across the App Stack Thursday 19 November · 16:00 to 21:30 PT Terra Gallery & Event Venue, San Francisco Register → ( https://luma.com/Agentic_AI_Night-11-19?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) AgentMail ( https://agentmail.to?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Docs ( https://docs.agentmail.to?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Get Started Free ( https://console.agentmail.to/sign-up?utm_source=agentmail_newsletter&utm_medium=email&utm_campaign=agent_news_035 ) Agent News is published by AgentMail. 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- nse/agentmail/2026-10-30/5537
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- Adi from AgentMail · adi@newsletter.agentmail.to
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- 30 October 2026 · 01:00 UTC
