jmix-create-entity

jmix-create-entity is a skill for Claude Code, Codex from jmix-framework/jmix-agent-toolkit. It costs 22 tokens per session (5,130 once invoked), scanned A, original, no licence file.

A coding guide for creating or changing persistent Jmix JPA entities, which are Java objects stored as database records, along with the related files they need.

In plain words
What is it for?
Use it when adding a new database-backed entity in a Jmix application or modifying an existing one.
Why use it?
It helps keep the entity and its surrounding application pieces consistent when the data model changes.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Use it when adding a new database-backed entity in a Jmix application or modifying an existing one.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity
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 jmix-framework/jmix-agent-toolkit --skill jmix-create-entity
Clone the repo
git clone --depth 1 https://github.com/jmix-framework/jmix-agent-toolkit

Made for: Claude Code, Codex.

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 jmix-create-entity

README.md
[![agentmods](https://agentmods.dev/badge/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity/github.svg)](https://agentmods.dev/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity)
Your own site
<a href="https://agentmods.dev/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity"><img src="https://agentmods.dev/badge/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity/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 jmix-create-entity

Your own site · 80×15
<a href="https://agentmods.dev/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity"><img src="https://agentmods.dev/badge/skills/jmix-framework/jmix-agent-toolkit/jmix-create-entity.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 22 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,130 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 $0.00022 $0.05130
Opus 5.5 $0.00009 $0.02052
Sonnet 5.5 $0.00004 $0.01026
Haiku 4.5 $0.00002 $0.00513

Measured 12d ago against content hash 79287f4067c1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

jmix-create-entity 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 12d 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.

content/skills/jmix-create-entity/SKILL.md · 475 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. 12d ago Changed · +10 lines 79287f4067c1
  2. 13d ago Changed · +2 lines e63c96b53854
  3. 15d ago Changed · +19 lines e5cab3ad6579
  4. 1mo ago Changed · +13 lines 5de661a2ff5f
  5. 1mo ago Changed · +35 lines 6ad96a06873a
  6. 1mo ago Changed · +20 lines eb4d70a1eefd
  7. 1mo ago First seen · 376 lines · 22 tokens per session scan A ab735a1e4c8e

Subscribe to this mod's changes

jmix-create-entity is a skill published in the GitHub repository jmix-framework/jmix-agent-toolkit (21 stars, last pushed yesterday), with no licence file. It adds 22 tokens to every session and 5,130 once invoked, about $0.0001 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 2026-08-30.

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