umbraco-menu-items

umbraco-menu-items is a skill for Claude Code from umbraco/Umbraco-CMS-Backoffice-Skills. It costs 17 tokens per session (1,232 once invoked), scanned A, original, no licence file.

A guide to building menu items in the Umbraco backoffice, the administration area for managing an Umbraco website. It uses Umbraco’s official documentation.

In plain words
What is it for?
Use it when implementing or updating menu items in an Umbraco backoffice project.
Why use it?
It helps you add individual entries to backoffice navigation without guessing the required implementation pattern.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the umbraco-cms-backoffice-skills plugin — 67 skills, 1 agent shipped together

Good fit Use it when implementing or updating menu items in an Umbraco backoffice project.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items
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 umbraco/Umbraco-CMS-Backoffice-Skills --skill umbraco-menu-items
Clone the repo
git clone --depth 1 https://github.com/umbraco/Umbraco-CMS-Backoffice-Skills

Made for: Claude Code.

Or install umbraco-cms-backoffice-skills, the plugin that ships this one along with the rest of its 67 skills, 1 agent.

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 umbraco-menu-items

README.md
[![agentmods](https://agentmods.dev/badge/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items/github.svg)](https://agentmods.dev/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items)
Your own site
<a href="https://agentmods.dev/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items"><img src="https://agentmods.dev/badge/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items/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 umbraco-menu-items

Your own site · 80×15
<a href="https://agentmods.dev/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items"><img src="https://agentmods.dev/badge/skills/umbraco/umbraco-cms-backoffice-skills/umbraco-menu-items.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,232 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.
Origin unknown 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 $0.00017 $0.01232
Opus 5 $0.00009 $0.00616
Sonnet 5 $0.00003 $0.00246
Haiku 4.5 $0.00002 $0.00123

Measured 11d ago against content hash c9d0424c632c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

umbraco-menu-items 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 11d 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.

plugins/umbraco-backoffice-skills/skills/umbraco-menu-items/SKILL.md · 167 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 11d ago First seen · 167 lines · 17 tokens per session scan A c9d0424c632c

Subscribe to this mod's changes

umbraco-menu-items is a skill published in the GitHub repository umbraco/Umbraco-CMS-Backoffice-Skills (27 stars, last pushed 8d ago), with no licence file. It adds 17 tokens to every session and 1,232 once invoked, about $0.0001 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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