Prompt Engineering

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Prompt Caching Doesn't Just Save Money. It Lets You Run 20K-Token System Prompts.

 🎵Vibe Coding
hackernoon.com·

Context Engineering Is Eating Prompt Engineering

 🧠LLMs  Content type: Blog
medium.com
·

Presentation: Beyond Prompting: Context Engineering and Memory Management for AI Systems at Scale

 🧠LLMs  Content type: News
infoq.com
·

iOS 27 system prompts

 🛠️Developer Tools

Pliny the Liberator 🐉󠅫󠄼󠄿󠅆󠄵󠄐󠅀󠄼󠄹󠄾󠅉󠅭 (@elder_plinius)

 🎵Vibe Coding
xcancel.com··Hacker News

Why Claude Produces High-Quality Output: A Developer’s Guide to Token Efficiency and Hallucination…

 🧠LLMs  Content type: Blog
medium.com·

Comparing Claude Fable 5's system prompt to Opus 4.8

 🎵Vibe Coding  Content type: Blog

jianzhichun/permafrost: Freeze Claude Code's prompt prefix so DeepSeek's automatic cache always hits — alignment proxy + coalescing + keepalive, installable as a CC plugin. Measured 64% cheaper on real Claude Code traffic.

 🔶Cloudflare  Content type: Code
github.com··Hacker News

Prompt Injection in RAG Agentic Systems

 🔗LangChain
ulad.net··Hacker News

Logits as a new monitor for evaluation awareness

 🏠Local LLMs
lesswrong.com··Hacker News

our workplace LLM mass delusion

 🧠LLMs  Content type: Blog

Tokenminning: Because Tokenmaxxing Is a Bad Idea

 🧠LLMs

How to Build an Agentic RAG with RubyLLM and Rails

 🔗LangChain  Content type: Blog
panasiti.me··Hacker News

Your AI Agent Can Read. That’s the Whole Problem.

 🎵Vibe Coding  Content type: Blog
medium.com·

How to cut the cost of long AI agent threads (without making the agent dumber)

 🔄AutoGen  Content type: Blog
viktor.com··Hacker News

Inferoa AI harness claimed 90% cache savings. We ran it and measured 97.8%

 🧠LLMs
zozo123.github.io··Hacker News

Humans and LLMs share a mental disorder: Fugue Lock

 🤗Open Source AI
vwwwv.org··Hacker News

Show HN: Zerostack, an open coding agent optimized for memory footprint

 🤗Open Source AI

The Data Systems Group (DSG) at MIT

 🛠️Developer Tools  Content type: Academic
dsg.csail.mit.edu··Hacker News

Build a Basic AI Agent from Scratch: Long Task Planning

 🤖AI Coding  Content type: Blog
ruxu.dev··Hacker News

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