ContentPosts from @rajkumar-aute..
Link
@faun shared a link, 2 weeks, 2 days ago

MCP vulnerability case study: SQL injection in the Postgres MCP server

A nasty SQL injection bug in Anthropic’s now-retiredPostgres MCP serverlet attackers blow past read-only mode and run whatever SQL they wanted. The repo got archived back in May 2025—but it’s far from dead. The unpatched package still racks up21,000 NPM installsand1,000 Docker pullsevery week...

Link
@faun shared a link, 2 weeks, 2 days ago

How In-Memory Caching Works in Redis

Redis isn’t just a cache anymore. Sure, it still owns the in-memory speed game—with **key expiration**, **data persistence**, and **horizontal scaling** via **replication** and **clustering**. But if you're only using it to stash a few keys, you're missing the point. This thing handles **streams**,..

How In-Memory Caching Works in Redis
Link
@faun shared a link, 2 weeks, 2 days ago

Experimenting with local LLMs on macOS

Running **open-weight LLMs locally on macOS**? This post breaks it down clean. It compares **llama.cpp**—great for tweaking things—to **LM Studio**, which trades control for simplicity. Covers what fits in memory, which quantized models to grab (hint: 4-bit GGUF), and what’s coming down the pipe: *..

Experimenting with local LLMs on macOS
Link
@faun shared a link, 2 weeks, 2 days ago

GitHub Copilot Custom Chat Modes: AI Personas that Match Your Needs

GitHub Copilot Chat just jot better in **VS Code 1.101** with **Custom Chat Modes**. Devs can now drop Markdown files into their workspace to shape Copilot’s persona—tone, tools, constraints, the works. Want an AI buddy for security audits? Or a test-writing machine with zero patience for flaky cod..

GitHub Copilot Custom Chat Modes: AI Personas that Match Your Needs
Link
@faun shared a link, 2 weeks, 2 days ago

TIOBE Programming Index News September 2025: Perl Regains the Spotlight

Perl 5 has risen to **10th place in the TIOBE Index**, increasing in popularity even though the exact reason is unknown. Perl 6, or Raku, lags behind Perl 5 in rankings and has not seen the same rise in attention. Other top languages like C and Java have experienced slight falls in rankings...

Link
@faun shared a link, 2 weeks, 2 days ago

Building an AI Server on a Budget ($1.3K)

A developer rolled their own AI server for $1.3K—Ubuntu 24.04.2 LTS, an Nvidia RTX GPU, and a sharp eye on Tensor cores, VRAM, and resale value. The rig handles small models locally and punts big jobs to the cloud when needed. Local-first, cloud-when-it-counts...

Building an AI Server on a Budget ($1.3K)
Link
@faun shared a link, 2 weeks, 2 days ago

Using Claude Code to modernize a 25-year-old kernel driver

A long-dead Linux kernel driver for QIC-80 tape drives just got dragged into the present—with help from **Claude Code** and a lot of tinkering. It now builds cleanly and runs as a **standalone module** on **Linux 6.8**, playing nice with modern setups like **Xubuntu 24.04**. **The bigger picture:**..

Using Claude Code to modernize a 25-year-old kernel driver
Link
@faun shared a link, 2 weeks, 2 days ago

You Vibe It, You Run It?

Vibe Coding lets developers create software by chatting with AI, skipping traditional coding. But the non-determinism of AI prompts poses significant risks for reliability and maintainability, potentially leading to addiction-like dependence on this new tool. Think twice before fully embracing this ..

Link
@faun shared a link, 2 weeks, 2 days ago

Guardians of the Agents 

A new static verification framework wants to make runtime safeguards look lazy. It slaps **mathematical safety proofs** onto LLM-generated workflows *before* they run—no more crossing fingers at execution time. The setup decouples **code from data**, then runs checks with tools like **CodeQL** and ..

Link
@faun shared a link, 2 weeks, 2 days ago

Introducing the MCP Registry

The new **Model Context Protocol (MCP) Registry** just dropped in preview. It’s a public, centralized hub for finding and sharing MCP servers—think phonebook, but for AI context APIs. It handles public and private subregistries, publishes OpenAPI specs so tooling can play nice, and bakes in communit..