Skills

cloudflare-kv

Installation
Summary

Global key-value storage at Cloudflare's edge with sub-5ms latency and eventual consistency.

  • Supports reads, writes, bulk operations, metadata storage, TTL expiration, and pagination across 1,000+ namespaces per account
  • Enforces 1 write per second per key (use retry logic for rate limits) and eventual consistency within ~60 seconds across regions
  • Offers cacheTtl for edge caching (minimum 60s), metadata optimization to avoid extra reads, and hot/cold key performance patterns (6-8ms vs 100-300ms)
  • Includes remote bindings for local development against production data, bulk read API (up to 100 keys as 1 operation), and CLI commands with --remote flag for production access
SKILL.md

Cloudflare Workers KV

Status: Production Ready ✅ Last Updated: 2026-01-20 Dependencies: cloudflare-worker-base (for Worker setup) Latest Versions: wrangler@4.59.2, @cloudflare/workers-types@4.20260109.0

Recent Updates (2025):

  • August 2025: Architecture redesign (40x performance gain, <5ms p99 latency, hybrid storage with R2)
  • April 2025: Bulk reads API (retrieve up to 100 keys in single request, counts as 1 operation)
  • January 2025: Namespace limit increased (200 → 1,000 namespaces per account for Free and Paid plans)

Quick Start (5 Minutes)

# Create namespace
npx wrangler kv namespace create MY_NAMESPACE
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