@robbiemu
Robert Collins
@robbiemu
perpetual student, intrepid engineer
Joined February 2022
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Robert Collins's blogs
Recently published
My First Rust Crate: tinysetqueue
Dec 5, 2025 · 4 min read · The FIFO Queue That Hates Duplicates This week I published my very first Rust crate, tinysetqueue. A couple of years ago I made a different data structure that was “library-worthy”, but I didn’t know how to use rust (or more specifically, crates.io) ...
Join discussionMobileLLM-R1-950M meets Apple Silicon
Sep 15, 2025 · 6 min read · From Stub to Coherent MLX Model, a story-shaped release note Getting Meta's efficient 950M parameter model running natively on Apple Silicon for fast, local inference I’ve done a tiny bit of contributions to the llama.cpp community, including adding ...
Join discussionvault-mcp: A Scrappy, Self-Updating RAG Server for Your Markdown Hoard
Aug 30, 2025 · 8 min read · TL;DR: I built a tiny server that watches my Obsidian vault, re-indexes only what changed, answers questions—and exposes itself as both a REST API and an MCP server so Claude can call it directly. Grab the repo: https://github.com/robbiemu/vault-mcp ...
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Four Models, One Prompt: Who Writes the Best Instructions for AI?
Aug 2, 2025 · 13 min read · I Had Four LLMs Compete to Write the Perfect Prompt. The Results Were a Masterclass. I hesitate to use wording like “masterclass” especially when it is Gemini 2.5 Pro, and not some other person, telling me to. And also because I don’t usually use wor...
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