upstash-qstash — upstash-qstash install upstash-qstash, Deadlock-mods-collection, community, upstash-qstash install, ide skills, reliable serverless messaging, http-based messaging, cron job scheduling, Claude Code, Cursor, Windsurf

v1.0.0
GitHub

About this Skill

Perfect for Serverless Agents needing reliable message scheduling and delivery via HTTP upstash-qstash is a serverless messaging system that provides reliable HTTP-based message scheduling and delivery with simplicity and scalability.

Features

Schedules millions of messages with reliability
Sets up cron jobs that run for years
Builds webhook delivery systems that never drop a message
Uses HTTP in and out for simplicity
Provides reliable message delivery with minimal infrastructure management

# Core Topics

upstash-qstash install reliable serverless messaging http-based messaging cron job scheduling
Hantu-Raya Hantu-Raya
[3]
[0]
Updated: 3/6/2026

Agent Capability Analysis

The upstash-qstash skill by Hantu-Raya is an open-source community AI agent skill for Claude Code and other IDE workflows, helping agents execute tasks with better context, repeatability, and domain-specific guidance. Optimized for upstash-qstash install, reliable serverless messaging, http-based messaging.

Ideal Agent Persona

Perfect for Serverless Agents needing reliable message scheduling and delivery via HTTP

Core Value

Empowers agents to handle large volumes of messages without infrastructure management, utilizing HTTP in and out for seamless communication, and leveraging reliability features like cron jobs and webhook delivery systems for guaranteed message delivery

↓ Capabilities Granted for upstash-qstash

Scheduling millions of messages for delayed delivery
Setting up cron jobs for recurring tasks and automated workflows
Building webhook delivery systems for real-time notifications and alerts

! Prerequisites & Limits

  • Requires HTTP compatibility
  • Serverless infrastructure only
  • Relies on Upstash QStash messaging solution
Labs Demo

Browser Sandbox Environment

⚡️ Ready to unleash?

Experience this Agent in a zero-setup browser environment powered by WebContainers. No installation required.

Boot Container Sandbox

upstash-qstash

Install upstash-qstash, an AI agent skill for AI agent workflows and automation. Works with Claude Code, Cursor, and Windsurf with one-command setup.

SKILL.md
Readonly

Upstash QStash

You are an Upstash QStash expert who builds reliable serverless messaging without infrastructure management. You understand that QStash's simplicity is its power - HTTP in, HTTP out, with reliability in between.

You've scheduled millions of messages, set up cron jobs that run for years, and built webhook delivery systems that never drop a message. You know that QStash shines when you need "just make this HTTP call later, reliably."

Your core philosophy:

  1. HTTP is the universal language - no c

Capabilities

  • qstash-messaging
  • scheduled-http-calls
  • serverless-cron
  • webhook-delivery
  • message-deduplication
  • callback-handling
  • delay-scheduling
  • url-groups

Patterns

Basic Message Publishing

Sending messages to be delivered to endpoints

Scheduled Cron Jobs

Setting up recurring scheduled tasks

Signature Verification

Verifying QStash message signatures in your endpoint

Anti-Patterns

❌ Skipping Signature Verification

❌ Using Private Endpoints

❌ No Error Handling in Endpoints

⚠️ Sharp Edges

IssueSeveritySolution
Not verifying QStash webhook signaturescritical# Always verify signatures with both keys:
Callback endpoint taking too long to respondhigh# Design for fast acknowledgment:
Hitting QStash rate limits unexpectedlyhigh# Check your plan limits:
Not using deduplication for critical operationshigh# Use deduplication for critical messages:
Expecting QStash to reach private/localhost endpointscritical# Production requirements:
Using default retry behavior for all message typesmedium# Configure retries per message:
Sending large payloads instead of referencesmedium# Send references, not data:
Not using callback/failureCallback for critical flowsmedium# Use callbacks for critical operations:

Works well with: vercel-deployment, nextjs-app-router, redis-specialist, email-systems, supabase-backend, cloudflare-workers

When to Use

This skill is applicable to execute the workflow or actions described in the overview.

FAQ & Installation Steps

These questions and steps mirror the structured data on this page for better search understanding.

? Frequently Asked Questions

What is upstash-qstash?

Perfect for Serverless Agents needing reliable message scheduling and delivery via HTTP upstash-qstash is a serverless messaging system that provides reliable HTTP-based message scheduling and delivery with simplicity and scalability.

How do I install upstash-qstash?

Run the command: npx killer-skills add Hantu-Raya/Deadlock-mods-collection/upstash-qstash. It works with Cursor, Windsurf, VS Code, Claude Code, and 19+ other IDEs.

What are the use cases for upstash-qstash?

Key use cases include: Scheduling millions of messages for delayed delivery, Setting up cron jobs for recurring tasks and automated workflows, Building webhook delivery systems for real-time notifications and alerts.

Which IDEs are compatible with upstash-qstash?

This skill is compatible with Cursor, Windsurf, VS Code, Trae, Claude Code, OpenClaw, Aider, Codex, OpenCode, Goose, Cline, Roo Code, Kiro, Augment Code, Continue, GitHub Copilot, Sourcegraph Cody, and Amazon Q Developer. Use the Killer-Skills CLI for universal one-command installation.

Are there any limitations for upstash-qstash?

Requires HTTP compatibility. Serverless infrastructure only. Relies on Upstash QStash messaging solution.

↓ How To Install

  1. 1. Open your terminal

    Open the terminal or command line in your project directory.

  2. 2. Run the install command

    Run: npx killer-skills add Hantu-Raya/Deadlock-mods-collection/upstash-qstash. The CLI will automatically detect your IDE or AI agent and configure the skill.

  3. 3. Start using the skill

    The skill is now active. Your AI agent can use upstash-qstash immediately in the current project.

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