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sac-c4

C4 model integration for the architecture second brain.

Skill by SpillwaveSolutions

IndexedMIT★ 1
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/spillwavesolutions-sac-c4

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About

C4 model integration for the architecture second brain. Map System/Person/ SoftwareContainer/Component/Code, generate L1–L4 Mermaid views, import Structurizr DSL, and avoid Docker vs C4 Container confusion.

Use cases: frontend, devops

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
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Install scripts
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/sac-c4

What's inside

Skill name
sac-c4
Description
C4 model integration for the architecture second brain. Map System/Person/ SoftwareContainer/Component/Code, generate L1–L4 Mermaid views, import Structurizr DSL, and avoid Docker vs C4 Container confusion.
License
MIT
Instructions
33 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# SAC × C4 model

## Critical naming

- **C4 Container** = `SoftwareContainer` (or Service/WebApp/Database stand-ins)
- **Docker/OCI** = `ContainerImage` — different concept

## Commands

```bash
# Inventory how the bundle maps to C4 abstractions
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/sac_c4.py" --bundle knowledge --inventory

# Generate L1–L4 diagram concepts + Structurizr DSL export
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/sac_c4.py" --bundle knowledge --generate --system "My System"

# Print DSL only
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/sac_c4.py" --bundle knowledge --dsl

# Scan existing Structurizr workspaces
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/sac_scan_structurizr.py" --root . --json
```

## When designing

1. L1 — who uses the system; external systems  
2. L2 — where does the new app/service/DB sit as a **SoftwareContainer**?  
3. L3 — components inside that container  
4. L4 — modules/classes when coding  

Deep doc: `docs/c4-integration.md`.

From SpillwaveSolutions/system-architecture-capture, MIT.

More from SpillwaveSolutions/system-architecture-capture

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Stars
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Forks
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Open issues
4
Last commit (this folder)
Aug 9, 2026 (2 months ago)
Last release
Sep 19, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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sac-c4 skill. Agent Mart. https://agentmart.dev/skills/spillwavesolutions-sac-c4 (last updated 2026-10-24)