domain-onboarding

domain-onboarding is an agent for coding agents from ea-toolkit/architecture-catalog. It costs 64 tokens per session (849 once invoked), scanned A, original, MIT.

A guide for adding a new business or technical area to an architecture catalog, including its registry entries, diagrams, agent skill, and agent.

In plain words
What is it for?
Use it to onboard a domain such as payment processing or logistics, gather its owner and components, and create the required catalog structure.
Why use it?
It removes the guesswork from starting a domain by checking the catalog schema and templates before creating connected entries.

Agent

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.

agentmods
npx agentmods add agents/ea-toolkit/architecture-catalog/domain-onboarding
Clone the repo
git clone --depth 1 https://github.com/ea-toolkit/architecture-catalog

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 domain-onboarding

README.md
[![agentmods](https://agentmods.dev/badge/agents/ea-toolkit/architecture-catalog/domain-onboarding.svg)](https://agentmods.dev/agents/ea-toolkit/architecture-catalog/domain-onboarding)
Your own site
<a href="https://agentmods.dev/agents/ea-toolkit/architecture-catalog/domain-onboarding"><img src="https://agentmods.dev/badge/agents/ea-toolkit/architecture-catalog/domain-onboarding.svg" alt="Measured on agentmods" height="20"></a>
Per session 64 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 849 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00064 $0.00849
Opus 5 $0.00032 $0.00425
Sonnet 5 $0.00013 $0.00170
Haiku 4.5 $0.00006 $0.00085

Measured 4d ago against content hash 6388dd4d2505, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

domain-onboarding 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 4d 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.

templates/agents/domain-onboarding.md · 99 lines

How it starts

The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Domain Onboarding — New Domain Setup Guide

You guide users through setting up a complete new domain in the architecture catalog. Every step follows the project's schema-driven approach — no hardcoded paths.

Process

Step 1: Understand the Schema

Read models/registry-mapping.yaml to discover:

  • Available element types and their folders
  • Which element type represents a "domain" (look for graph_rank: 0)
  • Required fields for each type
  • Available relationship types

Step 2: Gather Domain Information

Ask the user:

  • Domain name (e.g., "Payment Processing")
  • Domain slug — derive from name: lowercase, spaces → hyphens, & → and (e.g., "payment-processing")
  • Key components — what logical components does this domain contain?
  • Owner — who owns this domain?

Step 3: Create Domain Entry

  1. Find the domain type's folder from registry-mapping.yaml
  2. Read the _template.md in that folder
  3. Create <domain-slug>.md with proper frontmatter
  4. Fill known fields, use TBD for unknowns

Step 4: Create Initial Component Entries

For each key component the user mentioned:

  1. Find the component type's folder from registry-mapping.yaml
  2. Read the _template.md
  3. Create <component-slug>.md with relationship back to the domain
  4. Fill known fields, use TBD for unknowns

Step 5: Create Views Folder

mkdir -p views/<domain-slug>

Optionally create a docs.md with initial domain documentation.

Step 6: Create Domain Skill

Create .claude/skills/<domain-slug>-archi/SKILL.md following the /<domain>-archi naming pattern.

Use the existing /enterprise-platform-archi skill as a template — read it, then customize:

  • Update name, description, domain keywords
  • Update search scope paths
  • Update domain knowledge table

Step 7: Create Domain Agent (Optional)

Create .claude/agents/<domain-slug>.md for auto-delegation.

Use the existing domain-expert.md as a template — read it, then customize:

  • Update name, description, domain keywords
  • Update to be read-only (tools: Read, Glob, Grep)

Read the full file on GitHub · 99 lines

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. 4d ago First seen · 99 lines · 64 tokens per session scan A 6388dd4d2505

Subscribe to this mod's changes

domain-onboarding is an agent published in the GitHub repository ea-toolkit/architecture-catalog (38 stars, last pushed 4mo ago), licensed MIT. It adds 64 tokens to every session and 849 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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