upstash-qstash — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited upstash-qstash (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
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:
Sending messages to be delivered to endpoints
Setting up recurring scheduled tasks
Verifying QStash message signatures in your endpoint
| Issue | Severity | Solution |
|---|---|---|
| Not verifying QStash webhook signatures | critical | # Always verify signatures with both keys: |
| Callback endpoint taking too long to respond | high | # Design for fast acknowledgment: |
| Hitting QStash rate limits unexpectedly | high | # Check your plan limits: |
| Not using deduplication for critical operations | high | # Use deduplication for critical messages: |
| Expecting QStash to reach private/localhost endpoints | critical | # Production requirements: |
| Using default retry behavior for all message types | medium | # Configure retries per message: |
| Sending large payloads instead of references | medium | # Send references, not data: |
| Not using callback/failureCallback for critical flows | medium | # Use callbacks for critical operations: |
Works well with: vercel-deployment, nextjs-app-router, redis-specialist, email-systems, supabase-backend, cloudflare-workers
~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.