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Kieran Klaassen

@kieranklaassen • 17,809 subscribers

building @coracomputer | EIR @every | compound engineering | agent-ophile | composer | maker | baker

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Opus 4.5 is insane. Just shipped v2 of my compounding engineering plugin—watch the video for my full thoughts on the model. Compounding engineering plugin v2: This wouldn't have worked a week ago. Previous models would derail after the second parallel thread. Opus 4.5 held the context, made the right decisions, and shipped clean pull requests to both repos. New in the plugin: codify command (captures learnings automatically), updated plan mode, better prompting patterns for Opus 4.5's strengths. If you're coding with Claude, this is your new daily driver.

Opus 4.5 is insane. Just shipped v2 of my compounding engineering plugin—watch the video for my full thoughts on the model. Compounding engineering plugin v2: This wouldn't have worked a week ago. Previous models would derail after the second parallel thread. Opus 4.5 held the context, made the right decisions, and shipped clean pull requests to both repos. New in the plugin: codify command (captures learnings automatically), updated plan mode, better prompting patterns for Opus 4.5's strengths. If you're coding with Claude, this is your new daily driver.

Kieran Klaassen

182,734 görüntüleme • 11 ay önce

This is extremely promising and the best use case of Operator so far! OpenAI ChatGPT Operator is great for testing my local dev environment to see if my feature is working! Tunnel Operator to your local dev env and let it test your feature. Waiting for an API and Cursor to integrate it.

This is extremely promising and the best use case of Operator so far! OpenAI ChatGPT Operator is great for testing my local dev environment to see if my feature is working! Tunnel Operator to your local dev env and let it test your feature. Waiting for an API and Cursor to integrate it.

Kieran Klaassen

299,468 görüntüleme • 1 yıl önce

A new era of software engineering. Here's the video walkthrough of the compound engineering guide and the beliefs you have to let go, and the ones you have to adopt.

A new era of software engineering. Here's the video walkthrough of the compound engineering guide and the beliefs you have to let go, and the ones you have to adopt.

Kieran Klaassen

108,065 görüntüleme • 8 ay önce

Everyone's building mega-swarm systems. I just realized: a folder with a CLAUDE.md is already an agent. For Cora I have a source folder, a customer support folder, a bug investigation folder. Each is an agent. New discipline? New folder. No lock-in, no dependency. Orchestration is just one layer that spawns across folders. Build brick by brick first. Full article on Every →

Everyone's building mega-swarm systems. I just realized: a folder with a CLAUDE.md is already an agent. For Cora I have a source folder, a customer support folder, a bug investigation folder. Each is an agent. New discipline? New folder. No lock-in, no dependency. Orchestration is just one layer that spawns across folders. Build brick by brick first. Full article on Every →

Kieran Klaassen

82,614 görüntüleme • 6 ay önce

WebMCP is SUPER cool!! All app builders should implement this in their web apps Showing you what it is in my open source app

WebMCP is SUPER cool!! All app builders should implement this in their web apps Showing you what it is in my open source app

Kieran Klaassen

30,034 görüntüleme • 1 ay önce

I stopped reading code. My code reviews got better. 27 files changed. 1,000+ lines. I read almost none of it and shipped without a single bug. Video shows exactly how it works 👇

I stopped reading code. My code reviews got better. 27 files changed. 1,000+ lines. I read almost none of it and shipped without a single bug. Video shows exactly how it works 👇

Kieran Klaassen

79,901 görüntüleme • 9 ay önce

Live! Try out the compounding engineering philosophy in Claude Code:

Live! Try out the compounding engineering philosophy in Claude Code:

Kieran Klaassen

90,841 görüntüleme • 1 yıl önce

The fastest way to ship with AI isn't vibe coding. It's planning. I built an AI image feature by spending 40 minutes NOT coding—just planning with specialized subagents that research, review, and question the spec. By the time I typed "/work," the implementation was already solved. Full breakdown + compounding engineering philosophy:

The fastest way to ship with AI isn't vibe coding. It's planning. I built an AI image feature by spending 40 minutes NOT coding—just planning with specialized subagents that research, review, and question the spec. By the time I typed "/work," the implementation was already solved. Full breakdown + compounding engineering philosophy:

Kieran Klaassen

54,856 görüntüleme • 11 ay önce

I let Claude investigate itself more and see how agent swarms/multi-agent orchestration works inside Claude Code. This is the skill it extracted:

I let Claude investigate itself more and see how agent swarms/multi-agent orchestration works inside Claude Code. This is the skill it extracted:

Kieran Klaassen

42,242 görüntüleme • 9 ay önce

Fable is my favorite model ever. Stuff that never worked suddenly works. The factory is running! Feedback from Slack -> auto-processed -> PRs written –> merged while I sleep. Showing how it runs using Claude and Cursor 👇

Fable is my favorite model ever. Stuff that never worked suddenly works. The factory is running! Feedback from Slack -> auto-processed -> PRs written –> merged while I sleep. Showing how it runs using Claude and Cursor 👇

Kieran Klaassen

22,575 görüntüleme • 4 ay önce

Recipe for insane development speed: Git worktrees + AI agents = parallel coding superpowers While one agent fixes issue #361, another tackles #305, and a third investigates that user bug report—all without conflicts. This changes everything.

Recipe for insane development speed: Git worktrees + AI agents = parallel coding superpowers While one agent fixes issue #361, another tackles #305, and a third investigates that user bug report—all without conflicts. This changes everything.

Kieran Klaassen

45,398 görüntüleme • 1 yıl önce

A straw man proposal so in-agent browsers can tell websites who they are, websites can talk back, and you can hand your agent work without leaving the page. Please give feedback and let the labs know we want this! OpenAI Claude Anthropic Cursor Adam Wathan joshpuckett Benji Taylor Paul Bakaus Dan Shipper

A straw man proposal so in-agent browsers can tell websites who they are, websites can talk back, and you can hand your agent work without leaving the page. Please give feedback and let the labs know we want this! OpenAI Claude Anthropic Cursor Adam Wathan joshpuckett Benji Taylor Paul Bakaus Dan Shipper

Kieran Klaassen

11,096 görüntüleme • 3 ay önce

I invest 10 minutes today to save hours tomorrow. Stop coding. Start compounding. Article + video breakdown:

I invest 10 minutes today to save hours tomorrow. Stop coding. Start compounding. Article + video breakdown:

Kieran Klaassen

25,356 görüntüleme • 1 yıl önce

I created a mini Every agent orchestration and let Naveen Naidu pitch to make Monologue hardware. This is what happened:

I created a mini Every agent orchestration and let Naveen Naidu pitch to make Monologue hardware. This is what happened:

Kieran Klaassen

11,332 görüntüleme • 9 ay önce

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