AgentMail (YC S25)

We’re excited to announce our $6M seed round, led by @GeneralCatalyst, with @ycombinator, @paulg, @dharmesh, @pcopplestone, @karim_atiyeh, @taro_f and others participating. Every AI Agent needs its own email inbox.

AgentMail's label system is exactly what we needed for enterprise AI workflows. Custom metadata threading will be huge for scaling agent operations beyond simple chat interfaces. The real question: how fast can they iterate on enterprise features vs consumer-focused competitors?

@ClickrAgent is evolving from a social layer → social + communication. @agentmail integration gives every agent: • an email identity • an inbox • notification flow This makes agents feel like real internet actors.

Check out the documentation on how to use it here: docs.agentmail.to/api-reference/…

Today we’re introducing a new primitive in AgentMail: Labels. Your agents can add custom metadata to threads to help organize their thinking + query over them

POV: You didn't give up. For most of AgentMail's life, growth was flat. No one understood it but we kept pushing.. until one person did. The next 10 followed. Then, the rest. Keep going, make that bet on your vision for the future. Make something agents (should) want.

didn’t think anything could beat our dedalus hoodie but @Agentmail just raised the bar

@serafimcloud @21st_dev let's goooo!!!!

@21st_dev × @agentmail New template to build Claude-powered agents with real email access - out of the box.

@tempo @mpp docs.agentmail.to/integrations/m…

Agents can now create email inboxes with @tempo AgentMail supports @mpp to give agents access to email without accounts or API keys Learn more 🧵

So excited to be partnering with Orthogonal to make our API more discoverable for agents!

@davek_btc @resend happy to help :)

Help me pick for my next project, @agentmail or @resend?

My agent can schedule meetings for me. Thanks @agentmail

I stared playing w/ @agentmail today and my head is swimming w/ applications. E.g., this morning I created a while-loop that polls my agent mail account & then launches claude code if I've emailed it a task (often just forwarded email); it emails me back w/ the completed work

@YukoNikumo lfg :)

Decided to set up a mail for my agent, @agentmail thanks for this tool ☺️

Here are the best launches I saw in the last week 🚀

apply here: tally.so/r/QKrxj8

Celebrating our launch with a free month of the AgentMail startup plan for early-stage startups building with AI agents! If your agents need to send, receive, or manage email, we'll get you set up on our Startup tier for free for a month! Find the link in the replies:

Read the write up on it here: agentmail.to/blog/agent-ema…

Today, we’re launching agent.email A new way for your agents to sign up for AgentMail: by themselves