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What Is Jev? The Manual for Agent Harnesses
Jev answers in 400ms for two hundredths of a cent. Here is what it is, how it works, and the exact steps for Claude Code, Codex, Cursor and seven more.
Sep 20
•
Eugeniu Ghelbur
3
2
Claude Code on Windows: 13 Checks I Could Not Trust
I named a release The Silent Failure. A note holding an API key wrote clean on every Windows install for ten days, and nothing raised an error.
Sep 15
•
Eugeniu Ghelbur
The 43 Rules I Locked Running 6 Grok Bots for 10 Days
27 scheduled jobs, 104 pings in one week, 12 drafts written and 4 used. Grok Bot ships no spend meter, so I wrote the limits myself.
Sep 6
•
Eugeniu Ghelbur
2
August 2026
How to Run a One-Person Company on Grok Bot
I gave every role in my week to a named bot with a charter and a fence. Here is the full setup, and the two things the viral guides got wrong.
Aug 22
•
Eugeniu Ghelbur
2
3
1
What a Harness Is
The scaffolding around something that cannot run on its own. Twelve pictures, five parts, no jargon.
Aug 19
•
Eugeniu Ghelbur
3
4
Claude Code Hooks Decoded: Rules That Actually Run
Three people filed four issues on one bug in my 4,000-star repo before I stopped writing rules and started writing gates.
Aug 19
•
Eugeniu Ghelbur
1
Graph Engineering Decoded: Two Definitions, One Test
Two camps gave the same term two meanings this summer. One models what your system knows, the other models how work moves. Picking wrong costs a…
Aug 11
•
Eugeniu Ghelbur
1
What is an agent harness? Inside a real one
Agent = model + harness. Everyone benchmarks the first half. Here is the anatomy of the second half, drawn from an open-source system over 3,700…
Aug 6
•
Eugeniu Ghelbur
3
4
July 2026
How to Do Graph Engineering in a Markdown Vault
Your linked vault is already 80% of a graph index. The missing 20% is typed edges, supersedes chains, a lint, and a recall budget. Here is how to build…
Jul 31
•
Eugeniu Ghelbur
16
4
Every Test Passed. So I Started Reverting the Fixes.
I audited my own 3,600-star project and found 138 problems. The interesting ones were not the bugs. They were my own fixes that only looked fixed.
Jul 28
•
Eugeniu Ghelbur
Claude Code as a Second Brain: What the Tutorials Skip
Every guide shows you the first 20 minutes. Here is what breaks at month six, from the person who maintains the biggest one.
Jul 24
•
Eugeniu Ghelbur
11
5
3
What Is Graph Engineering? A Field Guide for Builders
The term went viral on X in 48 hours, with three competing meanings and one fabricated study. Under the noise: a real discipline with benchmark numbers…
Jul 21
•
Eugeniu Ghelbur
37
5
4
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