DynamoHome: Instructions file for Claude Code

CLAUDE.md

DynamoHome CLAUDE.md is an instructions file for Claude Code from DynamoDS/DynamoHome. It costs 1,779 tokens per session, scanned A, original, MIT.

A repository instruction file for DynamoHome, the start page for Dynamo, Autodesk's visual programming tool. It explains that the app is a React web page running inside Dynamo's embedded Edge WebView rather than a normal standalone browser.

In plain words
What is it for?
Use it when changing DynamoHome navigation, recent files, sample graphs, layouts, localization, settings, or communication with Dynamo.
Why use it?
It helps agents understand the host environment and the app's component and data structure before making changes.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is DynamoDS/DynamoHome's own configuration. It tells Claude Code how to work on DynamoHome itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything DynamoHome configures →

Reuse

Borrowing it

Nothing to install: this file belongs to DynamoDS/DynamoHome. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/DynamoDS/DynamoHome/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/DynamoDS/DynamoHome

Made for: Claude Code.

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.

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README.md
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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.

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Per session 1,779 This file is loaded in full into every session.
When invoked 1,779 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.01779 $0.01779
Opus 5.5 $0.00712 $0.00712
Sonnet 5.5 $0.00356 $0.00356
Haiku 4.5 $0.00178 $0.00178

Measured 2mo ago against content hash eeac3d1fa832, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

DynamoHome CLAUDE.md 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 2mo 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.

CLAUDE.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

DynamoHome

DynamoHome is the start page for Dynamo, an Autodesk visual programming tool. It is a React 18 SPA that runs inside a Chrome WebView (Edge WebView2) embedded in the Dynamo desktop application — not in a standalone browser. It is published to npm as @dynamods/dynamo-home.

Architecture

App.tsx                          # IntlProvider (localization) + SettingsProvider
└── LayoutContainer.tsx          # SplitPane: resizable sidebar + main content
    ├── Sidebar.tsx              # Left nav: page switching, custom dropdowns
    │   └── CustomDropDown.tsx
    └── MainContent.tsx          # Renders active page based on sidebar state
        ├── PageRecent.tsx       # Recent Dynamo files — grid or table view
        │   ├── GraphGridItem.tsx
        │   └── GraphTable.tsx   # react-table with custom cell renderers
        │       ├── CustomNameCellRenderer.tsx
        │       ├── CustomLocationCellRenderer.tsx
        │       └── CustomAuthorCellRenderer.tsx
        ├── PageSamples.tsx      # Sample graphs — grid or table view
        │   ├── SamplesGrid.tsx → SamplesGridItem.tsx
        │   └── SamplesTable.tsx → CustomSampleFirstCellRenderer.tsx
        └── PageLearning.tsx     # Learning resources — guides + video carousels
            ├── Carousel.tsx
            ├── GuideGridItem.tsx
            ├── ModalItem.tsx
            └── VideoCarouselItem.tsx

src/components/Common/           # Shared across modules
  CardItem.tsx  Arrow.tsx  Tooltip.tsx  Portal.tsx  CustomIcons.tsx
  • No routing library — page switching is state in MainContent.tsx
  • No Redux or external state — React Context (SettingsContext.tsx) + useState only
  • public/index.html has two roots: #root (React) and #modal-root (Portal target)

Data flow

Dynamo (.NET host)
  │  calls window globals on the app:
  ├─ window.receiveGraphDataFromDotNet(json)              → PageRecent state
  ├─ window.receiveSamplesDataFromDotNet(json)            → PageSamples state
  ├─ window.receiveTrainingVideoDataFromDotNet(json)      → PageLearning state
  ├─ window.receiveInteractiveGuidesDataFromDotNet(json)  → PageLearning state
  ├─ window.setLocale(locale)                             → re-renders with new locale
  ├─ window.setHomePageSettings(settingsJson)             → SettingsContext hydration
  └─ window.setShowStartPageChanged(show)                 → loading overlay

  │  app calls back into Dynamo via:
  └─ window.chrome.webview.hostObjects.scriptObject.*     → all calls go through src/functions/utility.ts

Read the full file on GitHub · 152 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. 2mo ago First seen · 152 lines · 1,779 tokens per session scan A eeac3d1fa832

Subscribe to this mod's changes

DynamoHome CLAUDE.md is an instructions file published in the GitHub repository DynamoDS/DynamoHome (3 stars, last pushed 11d ago), licensed MIT. It adds 1,779 tokens to every session, about $0.0071 per session on Opus 5.5. 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 2026-08-31.

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