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Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it.
Install Generate Domain Model
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install mendixlabs/mxcli generate-domain-model --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .claude/skills/generate-domain-model && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .claude/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-modelType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install mendixlabs/mxcli generate-domain-model --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .agents/skills/generate-domain-model && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .agents/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install mendixlabs/mxcli generate-domain-model --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .cursor/skills/generate-domain-model && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .cursor/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/mendixlabs/mxcli.git --path .claude/skills/mendix/generate-domain-model--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install mendixlabs/mxcli generate-domain-model --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .gemini/skills/generate-domain-model && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .gemini/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install mendixlabs/mxcli generate-domain-modelInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .github/skills/generate-domain-model && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .github/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add mendixlabs/mxcli --skill generate-domain-model -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install mendixlabs/mxcli generate-domain-model --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/mendixlabs/mxcli.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/mendix/generate-domain-model .opencode/skills/generate-domain-model && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "generate-domain-model" agent skill from https://github.com/mendixlabs/mxcli/tree/main/.claude/skills/mendix/generate-domain-model into .opencode/skills/generate-domain-model/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "generate-domain-model", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
generate-domain-model- GitHub stars
- 128
- Token cost
- ~1.8k tokens
- SKILL.md length
- 659 words
- Files
- 3
- Skills in repo
- 75
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it.
- Works in 5 steps: Analyze Requirements → Generate MDL Script → Validate with Linter → …
- Asked for a domain model for a business area (e-commerce
- SKILL.md covers Reference files, When to Use This Skill, Modelling for the client:… and Documentation Best Practices, plus 5 more sections
- Calls node
What it does
Generate Domain Model is an agent skill from mendixlabs/mxcli. Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it. Use when asked for a domain model for a business area (e-commerce, HR, CRM, …) rather than a single entity.
Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files (for example `reference/patterns.md` and `reference/syntax.md`).
It sits in Sales & Support, covering E-commerce operations. The repository describes itself as: Mendix cli tool, a headless way to work with Mendix projects. Enables Mendix projects for use with 3rd party agentic coding tools like Claude Code and Copilot. Includes a… The licence is Apache-2.0.
When your agent uses it
- Asked for a domain model for a business area (e-commerce
- …) rather than a single entity
Example prompts
- “/generate-domain-model”
Workflow steps
5 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit a924d11. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
node
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Generate Domain Model loads about 1.8k tokens when it runs. Until then it costs about 62 tokens; SKILL.md has 659 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from mendixlabs/mxcli at commit a924d11, republished under its Apache-2.0 licence (© mendixlabs). 659 words, ~1,844 tokens.
Download SKILL.mdSave it as
.claude/skills/generate-domain-model/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.- name
- generate-domain-model
- description
- Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it. Use when asked for a domain model for a business area (e-commerce, HR, CRM, …) rather than a single entity.
Creating Mendix Domain Model MDL Scripts
Use this skill to generate Mendix domain model scripts in MDL (Mendix Definition Language) format and validate them with the linter.
Reference files
SKILL.md covers the process and the decisions — what to model, in what order,
and how to check it. The lookup material is next door:
reference/syntax.md— the complete syntax for entities, attributes, associations and enumerations, every attribute type, plus reserved keywords and entity positioning. Check a spelling here rather than guessing; a reserved word used as an attribute name fails in Studio Pro, not in the parser.reference/patterns.md— the recurring domain shapes (header/detail, categorisation, audit, soft delete, many-to-many with payload) and a full worked e-commerce model.
When to Use This Skill
- User asks to create a domain model for a specific use case
- User wants to generate entities, associations, and enumerations
- User requests a complete e-commerce, HR, CRM, or other business domain model
- User needs validation of generated MDL scripts
Modelling for the client: widgets bind members, not expressions
A page widget binds an attribute or association path — never an expression. There
is no substring(attr, i, 1) or computed binding in a widget. So a value that must be
rendered per-part (each character of a code, each cell of a grid, each of N pencil
marks) has to be stored as separate attributes, not packed into one string and
indexed client-side. Model the wide form when the UI needs to address the parts
individually (e.g. N1…N9 booleans rather than a packed Notes string); reach for
a computed/derived value only where a microflow or view-entity OQL produces it into a
real attribute. (Same reason the bucket-class idiom exists — see
migrate-design-prototype.)
Documentation Best Practices
Entity Documentation
/**
* Brief one-line summary
*
* Detailed multi-line description explaining:
* - What the entity represents
* - Key business rules
* - Relationships to other entities
*
* @since 1.0.0
* @see Module.RelatedEntity
*/Attribute Documentation
/** Brief description of what this attribute stores */
attributename: type,Association Documentation
/**
* Relationship description
*
* Explains the business meaning of this association.
*
* @since 1.0.0
*/Step-by-Step Process
1. Analyze Requirements
When user requests a domain model:
- Identify core entities (nouns)
- Identify enumerations (status, types, categories)
- Identify relationships (associations)
- Identify attributes for each entity
- Check for reserved keyword conflicts
2. Generate MDL Script
Create script with this structure:
-- ============================================================================
-- Domain Model Name
-- ============================================================================
-- Description of the domain
-- ============================================================================
-- MARK: ENUMERATIONS
create enumeration Module.Enum1 (...);
create enumeration Module.Enum2 (...);
-- MARK: CORE ENTITIES
-- MARK: - Entity Group 1
create persistent entity Module.Entity1 (...);
create persistent entity Module.Entity2 (...);
-- MARK: - Entity Group 2
create persistent entity Module.Entity3 (...);
-- MARK: VIEW ENTITIES
create view entity Module.View1 as ...;
-- MARK: ASSOCIATIONS
-- MARK: - Entity Group 1 Associations
create association Module.Assoc1 ...;
create association Module.Assoc2 ...;3. Validate with Linter
Run the linter to check for issues:
# Standalone test
node dist/test-linter-standalone.js
# or create a custom test fileThe linter will detect:
- ✅ Reserved keywords (CE7247)
- ✅ Duplicate names (CE0065)
- ✅ OQL syntax errors (CE0174)
4. Review and Fix Issues
Common Issues:
Reserved Keyword Error:
error: Reserved keyword 'CreatedDate' used as attribute name 💡 rename to 'CreationDate'Fix: Rename to suggested alternative
Duplicate Name Error:
error: Duplicate name 'Status' in module 'Shop' 💡 rename one of the enumeration, entity to avoid conflictFix: Rename entity to
OrderStatusor similarOQL Syntax Error:
error: ORDER by requires limit or offset 💡 add limit clause to queryFix: Add
limit 100to view entity query
Show full SKILL.md (275 more words)Show less
5. Generate Complete Script
Ensure:
- ✅ All entities have JavaDoc documentation
- ✅ All attributes have inline comments
- ✅ All associations have descriptions
- ✅ Position annotations for all entities
- ✅ No reserved keywords
- ✅ No duplicate names
- ✅ Valid OQL queries
Testing the Script
Save to file: Save as
examples/my-domain-model.mdlRun standalone linter:
bash node dist/test-linter-standalone.jsExecute in REPL:
sql mendix> connect to FILESYSTEM 'path/to/project.mpr'; mendix> execute script 'examples/my-domain-model.mdl';Check Studio Pro: Open project and verify entities appear correctly
Checklist
Before finalizing an MDL script:
- All entities have JavaDoc documentation
- All attributes have inline comments
- All associations have descriptions
- Position annotations on all entities
- MARK comments for files 300+ lines (at least 3 sections)
- All identifiers quoted with double quotes
- No duplicate names (run linter)
- Valid OQL queries in view entities (run linter)
- Consistent naming conventions (PascalCase)
- Appropriate data types and lengths
- Required fields marked with NOT NULL
- Validation error messages added for NOT NULL and UNIQUE constraints
- IDs marked with NOT NULL UNIQUE
- Email/unique fields marked with UNIQUE
References
- Reserved Keywords:
packages/mendix-repl/docs/reference/reserved-keywords.md - Linter Proposal:
packages/mendix-repl/docs/proposals/mdl-linter-proposal.md - Example Scripts:
packages/mendix-repl/examples/shop-domain-model.mdlpackages/mendix-repl/examples/pet-store-domain-model.mdl
- Linter Test:
packages/mendix-repl/src/test-linter-standalone.ts
Tips for AI Assistants
- Always quote all identifiers with double quotes to avoid MDL parser keyword conflicts — but note quoting does not exempt platform-reserved member names (
Type,CreatedDate,ChangedDate,Owner,ChangedBy,ID, …); rename those - Use descriptive names (ServiceType, CustomerOrder)
- Run linter on generated scripts before presenting to user
- Fix all errors reported by linter before finalizing
- Follow examples in shop-domain-model.mdl and pet-store-domain-model.mdl
- Document thoroughly - Studio Pro users benefit from good documentation
- Position thoughtfully - Related entities should be visually grouped
- Test incrementally - Generate in sections and validate each part
© mendixlabs, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 2 other files in .claude/skills/mendix/generate-domain-model of mendixlabs/mxcli.
- SKILL.md
- reference/patterns.md
- reference/syntax.md
Open the folder on GitHubat commit a924d11
Compare with similar skills
Generate Domain Model next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Generate Domain Model this skillmendixlabs/mxcli | 128 | — | ~1.8k | Automated safety check: Pass | Apache-2.0 | |
| Amazon Buy Box Monitorbrowser-act/skills | 6.1k | 2 repos | ~1.6k | Automated safety check: Pass | MIT | |
| Tourmind Bookingtourmind-com/Tourmind-Booking-Skills | 1.6k | — | ~13k | Automated safety check: Pass | MIT | |
| Ecommerce Image Suitewzj177/ecommerce-image-suite | 443 | — | ~10k | Automated safety check: Pass | Apache-2.0 | |
| Zach Feature Demand Validatorzach22-1999/amazon-skills | 206 | 1 repos | ~2.3k | Automated safety check: Notes | MIT | |
| Caramel CouponsDevinoSolutions/caramel | 141 | — | ~1.1k | Automated safety check: Pass | AGPL-3.0 |
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Questions about Generate Domain Model
What does Generate Domain Model do?
Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it. Generate Domain Model is an agent skill from mendixlabs/mxcli. Generate a complete Mendix domain model in MDL — entities, attributes, associations, enumerations — and validate it.
When should I use Generate Domain Model?
Generate Domain Model fits situations like: asked for a domain model for a business area (e-commerce; …) rather than a single entity.
How do I install Generate Domain Model in Claude Code?
Run `npx skills add mendixlabs/mxcli --skill generate-domain-model -a claude-code`. Or copy the skill folder (.claude/skills/mendix/generate-domain-model in mendixlabs/mxcli) into .claude/skills/generate-domain-model in your project. Claude Code loads it when a task matches its description.
How do I install Generate Domain Model in Codex?
Run `npx skills add mendixlabs/mxcli --skill generate-domain-model -a codex`. Or copy the skill folder (.claude/skills/mendix/generate-domain-model in mendixlabs/mxcli) into .agents/skills/generate-domain-model in your project. Codex loads it when a task matches its description.
Can I use Generate Domain Model in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mendixlabs/mxcli --skill generate-domain-model -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/generate-domain-model, .gemini/skills/generate-domain-model, .github/skills/generate-domain-model and .opencode/skills/generate-domain-model in your project.
What does Generate Domain Model need to run?
Going by SKILL.md and its folder, Generate Domain Model needs the command-line tools its instructions call (node).
Does Generate Domain Model access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Generate Domain Model safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Generate Domain Model use?
Generate Domain Model is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Generate Domain Model use?
About 1.8k tokens (SKILL.md is roughly 7.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Generate Domain Model?
Skills that share tags, products or a category with Generate Domain Model: Amazon Buy Box Monitor (browser-act/skills, 6.1k stars), Tourmind Booking (tourmind-com/Tourmind-Booking-Skills, 1.6k stars), Ecommerce Image Suite (wzj177/ecommerce-image-suite, 443 stars) and Zach Feature Demand Validator (zach22-1999/amazon-skills, 206 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Generate Domain Model?
mendixlabs (a GitHub organization) maintains it in mendixlabs/mxcli, which has 128 GitHub stars. The repository holds 75 skills in this directory. The repository was last updated on October 7, 2026.
Source: mendixlabs/mxcli on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.