Architecture Design

by sd0xdev

Architecture Design is a Writing skill for Claude Code, published by sd0xdev in sd0x-harness.

188 stars24 forkson sd0xdev/sd0x-harnessAdded 2026/09/06Repository updated 2026/09/05

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agent-harnessclaude-codeclaude-code-plugincodexharness-engineeringskills

Install in seconds

Install Architecture Design

Copy Architecture Design into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/sd0xdev/sd0x-harness/tree/main/skills/architecture ~/.claude/skills/architecture

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/sd0xdev/sd0x-harness.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/architecture/SKILL.md in sd0xdev/sd0x-harness
Installs to: ~/.claude/skills/architecture
Collection: One of 25 skills cataloged from this repository
Category: Writing — 1279 skills

What Architecture Design does

Architecture Design creates and updates 3-architecture.md from an existing tech spec or code analysis. It documents component diagrams, data flow, integration points, and architecture decisions for a feature.

Architecture Design is cataloged under Writing on DirSkills. Architecture Design comes from a repository tagged agent-harness, claude-code, claude-code-plugin, codex and harness-engineering.

Documentation

README

Excerpt

Architecture Design Skill

Trigger

Keywords: architecture, architecture design, architecture doc, component diagram, 3-architecture, system design, document architecture

When NOT to Use

Tech spec writing (use /tech-spec)
Code implementation (use /feature-dev)
Architecture consulting only (use /codex-architect)
Implementation roadmap (use /deep-analyze)

Usage

/architecture                          # Auto-detect feature, create/update
/architecture <feature-keyword>        # Specify feature
/architecture --skip-debate            # Skip Phase 3 adversarial debate

Workflow

This is the opening of the README. Read the full README on GitHub.

Commands Architecture Design provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/tech-spec
/feature-dev
/codex-architect
/deep-analyze
/architecture
/codex-brainstorm
/codex-review-doc

Frequently asked about Architecture Design

What else does sd0xdev publish alongside Architecture Design?
Architecture Design is one of 25 skills that DirSkills catalogs from sd0xdev/sd0x-harness, the repository it ships in. Its siblings there include Adr, Ask and Best Practices Audit. Each one is a separate skill with its own page in this directory, installs the same way Architecture Design does, and is maintained by sd0xdev in that same repository. The rest of the collection is listed on the sd0xdev/sd0x-harness page.
How does Architecture Design compare to other Writing skills?
Architecture Design ranks #1082 by stars among the 1279 Writing skills in this catalog. The most-starred ones next to it are Article Writing, Social Media Content Calendar and Knowledge Comic Creator. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Architecture Design against them. Open each page to compare what they document and how they install.