creating-mermaid-dbt-dag

creating-mermaid-dbt-dag is a skill for Claude Code from dbt-labs/dbt-agent-skills. It costs 53 tokens per session (912 once invoked), scanned A, original, Apache-2.0.

A guide for creating Mermaid diagrams that show how dbt data models depend on one another.

In plain words
What is it for?
Generating a Mermaid flowchart of dbt model lineage from dbt tools, a manifest file, or project code.
Why use it?
It makes a project's data flow easier to inspect in Markdown, including which models feed into others.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the dbt-extras plugin — 1 skill shipped together

Good fit Generating a Mermaid flowchart of dbt model lineage from dbt tools, a manifest file, or project code.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add dbt-labs/dbt-agent-skills --skill creating-mermaid-dbt-dag
Clone the repo
git clone --depth 1 https://github.com/dbt-labs/dbt-agent-skills

Made for: Claude Code.

Or install dbt-extras, the plugin that ships this one along with the rest of its 1 skill.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for creating-mermaid-dbt-dag

README.md
[![agentmods](https://agentmods.dev/badge/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag/github.svg)](https://agentmods.dev/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag)
Your own site
<a href="https://agentmods.dev/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag"><img src="https://agentmods.dev/badge/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for creating-mermaid-dbt-dag

Your own site · 80×15
<a href="https://agentmods.dev/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag"><img src="https://agentmods.dev/badge/skills/dbt-labs/dbt-agent-skills/creating-mermaid-dbt-dag.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 912 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket pass 23 Apr 2026
  • Snyk pass 23 Apr 2026
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00053 $0.00912
Opus 5 $0.00026 $0.00456
Sonnet 5 $0.00011 $0.00182
Haiku 4.5 $0.00005 $0.00091

Measured 13d ago against content hash e87fa271fbcc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

creating-mermaid-dbt-dag scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 13d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/dbt-extras/skills/creating-mermaid-dbt-dag/SKILL.md · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Create Mermaid Diagram in Markdown from dbt DAG

How to use this skill

Step 1: Determine the model name

  1. If name is provided, use that name
  2. If user is focused on a file, use that name
  3. If you don't know the model name: ask immediately — prompt the user to specify it
    • If the user needs to know what models are available, query the list of models
  4. Ask the user if they want to include tests in the diagram (if not specified)

Step 2: Fetch the dbt model lineage (hierarchical approach)

Follow this hierarchy. Use the first available method:

  1. Primary: Use get_lineage_dev MCP tool (if available)

    • See using-get-lineage-dev.md for detailed instructions
    • Preferred method — provides most accurate local lineage. If the user asks specifically for production lineage, this may not be suitable.
  2. Fallback 1: Use get_lineage MCP tool (if get_lineage_dev not available)

    • See using-get-lineage.md for detailed instructions
    • Provides production lineage from dbt Cloud. If the user asks specifically for local lineage, this may not be suitable.
  3. Fallback 2: Parse manifest.json (if no MCP tools available)

    • See using-manifest-json.md for detailed instructions
    • Works offline but requires manifest file
    • Check file size first — if too large (>10MB), skip to next method
  4. Last Resort: Parse code directly (if manifest.json too large or missing)

    • See parsing-code-directly.md for detailed instructions
    • Labor intensive but always works
    • Provides best-effort incomplete lineage

Step 3: Generate the mermaid diagram

  1. Use the formatting guidelines below to create the diagram
  2. Include all nodes from the lineage (parents and children)
  3. Add appropriate colors based on node types

Step 4: Return the mermaid diagram

  1. Return the mermaid diagram in markdown format
  2. Include the legend
  3. If using fallback methods (manifest or code parsing), note any limitations

Read the full file on GitHub · 77 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 13d ago First seen · 77 lines · 53 tokens per session scan A e87fa271fbcc

Subscribe to this mod's changes

creating-mermaid-dbt-dag is a skill published in the GitHub repository dbt-labs/dbt-agent-skills (709 stars, last pushed today), licensed Apache-2.0. It adds 53 tokens to every session and 912 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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