implement-hilla

implement-hilla is a skill for Claude Code from AI-Unified-Process/marketplace. It costs 103 tokens per session (1,834 once invoked), scanned A, original, Apache-2.0.

A development workflow for building Hilla views with React and TypeScript, connecting them to Java services, and using jOOQ for database queries. Hilla is a framework for connecting a web interface to a Java backend.

In plain words
What is it for?
Use it to create or reconcile Hilla views, Java callable services, repositories, data-transfer objects, and jOOQ queries from a use-case specification.
Why use it?
It gives a defined way to implement a use case across the user interface, backend service, and data-access layers while checking for existing code first.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: mentions subagents.

Part of the aiup-vaadin-jooq plugin — 5 skills, 1 agent shipped together

Good fit Use it to create or reconcile Hilla views, Java callable services, repositories, data-transfer objects, and jOOQ queries from a use-case specification.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ai-unified-process/marketplace/implement-hilla
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 AI-Unified-Process/marketplace --skill implement-hilla
Clone the repo
git clone --depth 1 https://github.com/AI-Unified-Process/marketplace

Made for: Claude Code.

Or install aiup-vaadin-jooq, the plugin that ships this one along with the rest of its 5 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 implement-hilla

README.md
[![agentmods](https://agentmods.dev/badge/skills/ai-unified-process/marketplace/implement-hilla/github.svg)](https://agentmods.dev/skills/ai-unified-process/marketplace/implement-hilla)
Your own site
<a href="https://agentmods.dev/skills/ai-unified-process/marketplace/implement-hilla"><img src="https://agentmods.dev/badge/skills/ai-unified-process/marketplace/implement-hilla/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 implement-hilla

Your own site · 80×15
<a href="https://agentmods.dev/skills/ai-unified-process/marketplace/implement-hilla"><img src="https://agentmods.dev/badge/skills/ai-unified-process/marketplace/implement-hilla.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 103 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,834 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • 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 $0.00103 $0.01834
Opus 5 $0.00051 $0.00917
Sonnet 5 $0.00021 $0.00367
Haiku 4.5 $0.00010 $0.00183

Measured 10d ago against content hash f0aa1c3b38c4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

implement-hilla scanned grade A with 1 finding 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 10d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

.fetch(Records.mapping(PersonDto::new));
aiup-vaadin-jooq/skills/implement-hilla/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implement Use Case (Hilla)

Instructions

Implement the use case $ARGUMENTS using Hilla (React) for the UI layer and jOOQ for data access. Don't create tests – there are dedicated testing skills for that.

If the Vaadin and jOOQ MCP servers are configured, check them for guidance; otherwise rely on your own knowledge and the documentation links below.

If an Implementation Already Exists

A diff of the specification change may follow the file path in the arguments. When it is there, it is the definitive list of what changed — work through it change by change. A removed line is an instruction to delete the behaviour it described: the remaining specification is already satisfied by the existing code, so a removal is invisible unless you compare code to spec in both directions.

Before writing any code, check whether this use case is already implemented — search for the view, service, repository, and DTO names the spec implies, and for existing UC-XXX references. If an implementation exists, reconcile it with the specification instead of building a parallel one:

  • Read the existing code end to end and compare it against the current spec
  • Change only what the spec now requires — added or renamed fields, changed validation rules, new alternative flows, different labels or messages
  • Edit the existing files in place; never create a second view, service, repository, or DTO for the same use case
  • Remove code the spec no longer calls for (dropped fields, removed flows, obsolete queries)
  • Leave everything the spec does not touch alone — no incidental refactoring, renaming, or restyling
  • Check what the class-level comments attribute to this use case: behaviour they describe that the spec no longer mentions is dropped behaviour to remove, not decoration to keep
  • Report at the end which files changed and which spec change drove each one

Read the full file on GitHub · 158 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. 10d ago First seen · 158 lines · 103 tokens per session scan A f0aa1c3b38c4

Subscribe to this mod's changes

implement-hilla is a skill published in the GitHub repository AI-Unified-Process/marketplace (123 stars, last pushed 11d ago), licensed Apache-2.0. It adds 103 tokens to every session and 1,834 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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