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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: *.. read more  

Experimenting with local LLMs on macOS
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@faun shared a link, 5 months, 2 weeks ago
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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... read more  

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@faun shared a link, 5 months, 2 weeks ago
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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.. read more  

GitHub Copilot Custom Chat Modes: AI Personas that Match Your Needs
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@faun shared a link, 5 months, 2 weeks ago
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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 .. read more  

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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... read more  

Building an AI Server on a Budget ($1.3K)
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@faun shared a link, 5 months, 2 weeks ago
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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... read more  

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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:**.. read more  

Using Claude Code to modernize a 25-year-old kernel driver
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@faun shared a link, 5 months, 2 weeks ago
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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 .. read more  

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Building Agents for Small Language Models: A Deep Dive into Lightweight AI

Agent engineering with **small language models (SLMs)**—anywhere from 270M to 32B parameters—calls for a different playbook. Think tight prompts, offloaded logic, clean I/O, and systems that don’t fall apart when things go sideways. The newer stack—**GGUF** + **llama.cpp**—lets these agents run loc.. read more  

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AgentHopper: An AI Virus

In the “Month of AI Bugs,” researchers poked deep and found prompt injection holes bad enough to run **arbitrary code** on major AI coding tools—**GitHub Copilot**, **Amazon Q**, and **AWS Kiro** all flinched. They didn’t stop at theory. They built **AgentHopper**, a proof-of-concept AI virus that .. read more  

AgentHopper: An AI Virus
Inspired by the longest-running Harvard study on health & happiness, the PhitNest app aims to help people live longer, happier lives by cultivating gym communities.

PhitNest is committed to helping people lead longer and happier lives by strengthening community at local fitness centers.

We believe in the power of social fitness as a preventative force and have developed the app to encourage members to lean on each other for support. 

Our Mission

Our mission is to be a catalyst in creating a happier world. We want to connect people from all walks of life, within a community of practice, committed to improving health & wellness.