Deno is joining Cloudflare
Deno is joining Cloudflare The Deno team released the first version of celld back in August - their open source implementation of the Durable Objects pattern from Cloudflare Workers.
Simon Willison3 min read
nodejs
16 stories
Friendship ended with Deno, now Node is my best friend
I’ve been using Node heavily this month on a SvelteKit client project. When did Node get so good‽ Deno has been my go-to runtime for so long I forgot how to Node. Now I’m back, I find all the ECMAScript† sugar is supported and the old annoying APIs have been replaced or modernised.
Lobsters4 min read
Fake Express Packages on npm Spread a Linux Worm
Nine fake Express and React packages on npm run a Linux worm at install time. It installs a Tor backdoor and spreads through SSH, AUR packages, and npm tokens.
Lobsters18 min readHow to add per-request token budget controls in Node.js 2026
Count tokens before every LLM API call, set max_tokens per Express route, and recover cleanly from streaming truncation without surfacing errors to users.
LLMTest Blog5 min readMulti-turn chat API in Node.js 2026: history and token budgets
Build a multi-turn Node.js chat API with server-side message history, context compaction, and hard per-session token budget enforcement in under 90 lines.
LLMTest Blog6 min readHow to retry LLM API calls in Node.js in 2026: three-layer pattern
Client backoff with jitter, proxy fallback, and dead-letter queue: the three Node.js layers that stop cascading LLM failures in production.
LLMTest Blog6 min read
CVE-2026-87776: Express compression leaks native memory until the process dies
How to fix CVE-2026-87776: upgrade compression to 1.8.2 Hang up while gzip is still streaming and the Node process keeps the zlib memory forever. The Express…
HCS (Hashgraph Consensus Service) Blog3 min readHow to add LLM request queuing in Node.js 2026: no Redis
An in-process LLM request queue for Node.js: concurrency cap, per-user fairness, and backpressure under 60 lines. No Redis or BullMQ needed in 2026.
LLMTest Blog6 min readHow to cache LLM API calls in Node.js 2026: Redis and break-even math
Redis exact-match caching cuts LLM API spend at scale. Working Node.js middleware, 30-minute TTL trade-off, and when semantic search is worth the overhead.
LLMTest Blog5 min readHow to add per-user LLM cost guardrails in Node.js in 2026
Add per-user LLM budget caps with Redis: soft warnings at 80%, hard stops at 100%, and automatic model downgrade. Full Node.js middleware under 60 lines.
LLMTest Blog5 min readHow to build a RAG API in Node.js 2026: pgvector and cited answers
Build a production RAG API in Node.js using pgvector: text ingestion, chunked embeddings, vector search, and source-cited answers in under 80 lines.
LLMTest Blog5 min readHow to add context management to a Node.js chat API in 2026
Add token counting, sliding window, and summarization compaction to a Node.js chat route to keep conversations coherent without blowing the context budget.
LLMTest Blog6 min readHow to queue LLM API calls in Node.js: BullMQ patterns
BullMQ turns long-running LLM API calls into background jobs with live progress events, stall detection, and dead-letter recovery in Node.js in 2026.
LLMTest Blog6 min readHow to manage LLM context windows in production: 3 Node.js patterns
Sliding window, summarization compaction, priority truncation: three Node.js patterns for managing context in long-running LLM conversations.
LLMTest Blog5 min read
AI Jobs Webhooks: Real-Time Notifications for Your Application
No more polling APIs, no more delays. Just instant updates when your AI job is completed, delivered securely and reliably to your designated endpoint. Whether you’re translating content, generating data insights, or processing large datasets, webhooks ensure you’re always in sync with SharpAPI.
Sharp API Blog4 min read
Introducing SharpAPI Node.js SDK Client
We're thrilled to announce the release of the SharpAPI Node.js SDK Client—a powerful, AI-driven tool designed to seamlessly integrate workflow automation into your JS/Node projects.
Sharp API Blog4 min read
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