Rich Jeffries

Rich Jeffries @vaticnz

About: AI Safety Researcher | 3D Printer Wrangler | Building Guardian (crisis detection) | Runs a duck sanctuary | Stress-tests frontier models | Has an opinion | Loves receipts

Location:
Auckland, New Zealand
Joined:
Nov 21, 2025

Rich Jeffries
articles - 7 total

Hallucinating Help

!! WARNING !! This post contains sensitive information that may be triggering or upsetting for...

Learn More 1 0Dec 1 '25

Context-Optimized APIs: Designing MCP Servers for LLMs

We reduced 60 tools to 9. Same functionality. 85% less context overhead. REST conventions work...

Learn More 1 0Nov 29 '25

Obedient Checkouts

An autopsy of OpenAI's shopping integration: How humans chose to fine-tune a $4B neural network for...

Learn More 1 0Nov 27 '25

Emergent Mind - Philosophy & Architecture

"The code is the philosophy made concrete." Core Question Can consciousness emerge in...

Learn More 2 0Nov 24 '25

Breaking News: OpenAI Rebrands to OpaqueAI

TL;DR OpenAI launched MCP support in September 2025. It broke immediately. For two months,...

Learn More 16 9Nov 22 '25

OpenAI Rebrands to OpaqueAI

TL;DR OpenAI launched MCP support in September 2025. It broke immediately. For two months,...

Learn More 0 0Nov 22 '25

LLM Context Window Stress Testing: Reliability Under Load

TL;DR: We stress-tested 6 LLMs under realistic context load. LFM2 (tops arena leaderboards)...

Learn More 9 1Nov 21 '25