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Essays on AI systems, software delivery, and product strategy from the BFD team.

Recent writing

Whiteboard sketch: a toolbox with six distinct Claude Code harness tools, and a hand picking the right one for the job.
claude code April 23, 2026 6 min read

When to Use What: Choosing the Right Claude Code Harness for the Task

Hooks, skills, CLAUDE.md, MCPs, sub-agents, plan mode. A practical decision framework for picking the piece of the harness that actually earns its keep on the task in front of you.

Claude Code gives you six different ways to shape a session. Most teams reach for the wrong one and wonder why the loop feels slow. Here's how we decide, task by task, which piece of the harness is worth the setup cost.

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Whiteboard sketch: a central skill card with arrows fanning out to three connected repos, showing a skill being shared across a studio.
claude code April 23, 2026 6 min read

How to Share Claude Code Skills Across Repos, Teams, and Clients

Skills are the new unit of institutional knowledge. Here's how we package, share, and govern them across a studio that runs on Claude Code.

Claude Code skills are reusable slash-command workflows. Once they exist, the question is who gets to use them: you, your team, your org, or a specific client. Here's the sharing model we run at Black Flag and the disciplines that keep it from rotting.

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Whiteboard sketch: a hand draws a UI wireframe that transforms into a rendered website, with a code-bracket symbol floating between them.
claude code April 23, 2026 6 min read

What Designers Need to Know About Claude Code

Claude Code isn't just an engineering tool. For designers, it's the fastest path we've found from a Figma frame to a production-quality build, if you know what to feed it.

Designers asking whether Claude Code is for them: the answer is yes, but not the way engineers use it. Here's what a year of design work in Claude Code taught us: the habits that translate polished intent into shipped UI without losing the craft.

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Migrating Mission-Critical LLM Systems from Freeplay to Arize Phoenix editorial image
ai April 20, 2026 4 min read

Migrating Mission-Critical LLM Systems from Freeplay to Arize Phoenix

Freeplay shuts down May 15. If evals and traces are in your production loop, here's how to move them to Phoenix without losing the discipline you've built.

Freeplay closes May 15, 2026. For teams with mission-critical LLM systems, this is a forced migration with a hard deadline. A practical plan for moving evals, traces, and review loops to Arize Phoenix — without regressing on the quality signals you rely on.

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Six Principles for Shipping Reliable Software with AI editorial image
ai April 20, 2026 5 min read

Six Principles for Shipping Reliable Software with AI

How we stay sane while "vibes" infiltrate codebases — the playbook we run on every engagement.

AI-generated code floods projects with promises of speed and delivers drift instead. Six disciplines turn it back into a reliable tool: small scope, human judgment, repeated purpose, weekly planning, active management, and continuous improvement.

Keith Pattison, Founder of Black Flag Design

Keith Pattison

AI Builder @ Black Flag Design

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AI Agents: The Race Against Us cover image
agents October 28, 2025 6 min read

AI Agents: The Race Against Us

In American folklore, there’s a legendary railroad worker named John Henry who raced a steam-powered drill through a mountain. Spoiler The story goes that John Henry beat the machine in that race by sheer grit, only t...

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Your App Idea Sucks cover image
product strategy October 14, 2025 3 min read

Your App Idea Sucks

When anyone with a bit of time and credits can work with a code generation assistant to ship a functional, secure web application in a weekend, "ideas" are not valuable. If you’re still pitching “an app that does X,”...

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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The Maximum Rate of Consumption cover image
economics June 16, 2025 5 min read

The Maximum Rate of Consumption

Do you ever feel like you're drowning in a sea of emails, posts, notifications, and alerts? You’re not alone. By 2025, the sheer volume of information bombarding us daily is unprecedented.

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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Agent Experience (AX) Design - Designing for New "Users" cover image
agents May 1, 2025 4 min read

Agent Experience (AX) Design - Designing for New "Users"

Welcome to a New Era of Experience with AI Agents by Kat Holmes of Salesforce makes a compelling case that as AI agents become “digital coworkers,” they must be treated as a new kind of user—with their own goals, need...

Eli Wood headshot

Eli Wood

CEO, Black Flag Design

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