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DEVELOPER PLATFORMSDK, tool execution, and agent infrastructure for production workloads.CLIInstall tools, manage auth, and run workflows from the terminal. - TOOLKITS
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Send a Quick Email From Any Client
For a startup operator who wants to fire off short work emails without leaving their current window (Claude, VSCode, ChatGPT, web). The activation primitive — first-step win for every Gmail-connected user. Single toolkit, sub-10-second latency.
Inbox overload
Here's what doing this by hand looks like today — and why it doesn't scale.
A one-line email still takes a context switch into the mail client
Quick sends don't get logged, so follow-ups slip
Voice / chat clients can't reach your inbox without custom glue
Composio collapses all of this into one prompt — here's what that looks like.
Your agent runs it end-to-end.
- 01Resolve the recipient to an email addressIf it already looks like an email, skip. Otherwise search contacts.
- 02Pull the latest thread with that recipient for tone calibration
- 03Draft the email body from the intentMatching the requested tone (or the thread's tone). Compose a short subject line.
- 04Send
- 05Return a one-line confirmation with the sent message ID and a link
Email at the speed of thought
One sentence in, a sent-and-logged email out — from any client you're already in.
Paste this into Claude, Cursor, or Codex. It'll install the CLI, connect your apps, and run the task — end to end.
Summarize Today's Unread Emails
One prompt turns an inbox of 50+ unread into a 5-bullet digest with the one thing you must answer.
Read →Turn Email into Notion Task
Forward an email to your agent, get a titled Notion task with deadline extracted and properties set.
Read →Daily Morning Brief
One prompt pulls today's calendar, unread Gmail, open GitHub PRs, and overdue Notion tasks into a one-screen brief.
Read →
