# Vercel MCP adds event subscriptions so agents get webhook alerts

> Original title: Vercel MCP now publishes events.

- Source: Vercel Developers
- Published: 2026-11-09T20:13:49.000Z
- Bad Influence: https://badinfluence.news/items/ocs8wm1gfj01v1pmhytttg4u1
- Original: https://x.com/vercel_dev/status/2119886198395318657

## Summary

Vercel says its MCP server now publishes events that agents can subscribe to, such as deployment.succeeded and deployment.error. Subscribed agents receive webhook notifications when those events fire, so they no longer need to poll for changes.

## Post

Vercel MCP now publishes events.

Agents can subscribe to events like 𝚍𝚎𝚙𝚕𝚘𝚢𝚖𝚎𝚗𝚝.𝚜𝚞𝚌𝚌𝚎𝚎𝚍𝚎𝚍 and 𝚍𝚎𝚙𝚕𝚘𝚢𝚖𝚎𝚗𝚝.𝚎𝚛𝚛𝚘𝚛 and get webhook notifications when they fire. No more polling for changes.

Changelog → https://vercel.com/changelog/vercel-mcp-now-supports-mcp-events

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2119886178749190144%2Fimg%2FfiqMdlPtvPpHA1k_.jpg&mode=thumb&exp=1794528000&sig=da52ffd0baf0159d)