Oz Tamir

Terminally Online, Physically TLV

I'm Oz, 2x Founding Engineer at cybersecurity companies like Blockaid and [REDACTED]. I like to write about low level security stuff, build smart home (and adjacent) DIY projects, and shitpost about startup culture.

How to sort your wedding videos without watching any of them

Yo dawg, I heard you liked agents so I used an agent to write you an agent.

Sep 5, 2026

11 min read

MCPlexer: A tool for running multiple instances of the same MCP server

A tiny MCP proxy for running multiple instances of the same MCP server without their tools colliding.

Jun 30, 2026

8 min read

Shell in the Ghost: Migrating my blog to Astro

Why I ditched Ghost for a static Astro site, and the malware I found on the way out.

Jun 21, 2026

9 min read

Let's write a harness (or: Harness Engineering 101)

The same model sits behind Cursor, Claude Code, and most other agents. What makes them different isn't the brain - it's the harness. So let's write one.

Jun 6, 2026

22 min read

Syncing skills, rules and subagents across repos with amgr

I wrote a tool that lets you define your agent setup once - and deploy it everywhere.

Feb 4, 2026

3 min read