Deploy Slack's Bolt.js to Vercel with @vercel/slack-bolt
Vercel just solved the 3-second timeout problem that was killing Slack agents on serverless.
Why it matters
Vercel's new @vercel/slack-bolt adapter removes a critical technical barrier to building production Slack agents, enabling developers to deploy AI-powered workflows that were previously infeasible on serverless platforms.
The key facts
11 to knowOfficial adapter: @vercel/slack-bolt for Slack Bolt.js on Vercel AI Cloud
Core problem solved: 3-second Slack webhook response deadline
Technical solution: Fluid compute streaming + waitUntil for background execution
Framework compatibility: Works with Hono, Nitro, Next.js, and any Web API Request object
Launched with Slack Agent Template and npm library
@vercel/slack-bolt adapter released
Solves Slack's 3-second webhook response deadline
Uses streaming and waitUntil for background processing
Compatible with Hono, Nitro, Next.js, and Web API Request frameworks
Includes Slack Agent Template for quick starts
Published Aug 27, 2025
Go to the source
Vercel Blogvercel.com
Publisher excerpt: We've published , our official adapter for deploying Slack's to Vercel's AI Cloud.@vercel/slack-boltBolt for JavaScript Bolt provides a type-safe library for responding to Slack webhook events. However, Slack's API requires a response within three seconds or users are faced with timeouts. This has…