Vennio is scheduling infrastructure for developers and AI agents ā the API is the product. A REST API plus an MCP server with 24 tools. Your app or agent can find availability, propose meetings, book time, and handle consent without anyone touching a calendar manually. Connect Vennio to Claude, GPT, or any MCP-compatible agent and it schedules on behalf of users in real time. Mutual scheduling, consent-scoped access, full webhook support. Not Calendly with an API bolted on.
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Maker
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Hey Product Hunt š
I'm Matty, founder of Vennio.
Most scheduling tools are designed for humans clicking buttons in a UI. Vennio is built for the opposite ā code calling an API, or an AI agent calling MCP tools. The API is the product; the dashboard is optional.
What we ship today:
- REST API for the full booking lifecycle (availability, propose, book, cancel, consent, webhooks)
- MCP server with 24 tools ā drop it into Claude, Cursor, or any MCP-compatible agent and it schedules on behalf of users
- Mutual scheduling ā find when 2-5 people are all free without the back-and-forth
- Consent-scoped availability ā your code can only see calendars the person has opted in to
I built this because every scheduling tool I tried treated "API" as an afterthought, and none of them worked properly with AI agents. If your app or agent needs to schedule meetings autonomously, this is for you.
Docs: https://docs.vennio.app
MCP integration guide: https://docs.vennio.app/mcp
Would love your feedback ā especially from anyone building agents or AI-powered apps. What's the most painful scheduling problem you're trying to solve?
ā Matty