Open Source
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MCP Skills: I Tried Them, and Verified Is Not Trusted
MCP skills ship in the official TypeScript SDK 2.4. I ran them, and a hostile server's prompt injection still came back verified: true. Here is why.
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Postgres 19 Delay: AI Review Found Too Many Bugs
The Postgres 19 delay explained: 8 to 10 features reverted in beta, release now Nov 19, and what AI code review costs a small team.
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Python 3.15 Lazy Imports: My AI CLI Went From 2.5 s to 14 ms
Python 3.15 lazy imports took my test AI CLI from 2,514.6 ms to 14.1 ms at startup. The benchmark, three traps I hit, and when to skip it.
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SolidCraft MCP: The Tool Said OK, the Part Had No Holes
SolidCraft MCP is an open-source CAD server for AI agents. I ran it: great design, one trap where ok:true meant nothing changed. How to guard against it.
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ESP32 iPhone Agent: A $7 Board That Gives AI Hands
ESP32 iPhone Agent lets a vision model tap a real iPhone through a $7 board. I ran its tests and did the token maths for one 20-step task.
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Talorys: What a Free AI Agent Gets From 10,000 Neurons
Talorys is an MIT-licensed free AI agent that runs in your Cloudflare account. I did the Neuron maths to see how many chat turns a day it really buys.
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Codebase Port Cost: What ts-rust Really Took
ts-rust ported the TypeScript compiler to Rust with agents. I ran it and read its own numbers: the codebase port cost $24k after a $400k stall.
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Vectorless RAG: Reasoning Over a Tree, Not Cosine Search
Vectorless RAG swaps embeddings for a table-of-contents tree the LLM walks. What PageIndex does well, what a query costs, and who should skip it.
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MoE Expert Offloading: 125B on a 12GB GPU, With Catches
MoE expert offloading lets a 12GB GPU run a 125B model, but only for one user at a time. What Strata's numbers say, and what I'd run instead.
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Why I’m Betting on a Minimal Agent Harness
Pi 1.0's own release notes claim a 40% prompt-token cut from Codemode. Here's the arithmetic I'd run before trusting a minimal agent harness.