/d2
D2 diagramming language reference for architecture diagrams, sequence diagrams, grid layouts, SQL tables, and class diagrams. Produces .d2 files rendered via CLI or playground.
$ npx -y skills add LiorCohen/sdd --skill d2 --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
- Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
- You can call itInvoke it directly when you want it.
- Slash command
/d2
Context preview
The summary Claude sees to decide when to auto-load this skill.
D2 diagramming language reference for architecture diagrams, sequence diagrams, grid layouts, SQL tables, and class diagrams. Produces .d2 files rendered via CLI or playground.
Structure for AI-assisted development AI coding assistants are powerful but chaotic. You prompt, you get code, but then what?
Repo: LiorCohen/sdd
Other skills on sdd.
- /agents-standards
Standards for authoring SDD plugin agents — frontmatter, self-containment, skill references, and no-user-interaction rules.
Open skill - /commands-standards
Standards for authoring SDD plugin commands — frontmatter, user interaction, skill/agent invocation, CLI integration, and output formatting.
Open skill - /commit
Create a commit following repository guidelines with proper versioning and changelog updates.
Open skill - /critic
Two-step self-review at every task lifecycle phase. Step 1 (this skill) runs in-context to gather session signals — files read vs grepped, user pushback, build evidence, degradation signs. Step 2 launches a forked subagent for unbiased code/plan review with fresh eyes. Combined
Open skill - /docs-standards
Writes and maintains user-facing documentation for the SDD plugin. Proactively detects when docs are out of sync with plugin capabilities.
Open skill - /manifest-validation
Validate plugin and marketplace manifest files against the official Claude Code specification
Open skill