A GeneXus specialist for modeling software objects and managing GeneXus knowledge bases. GeneXus is a development platform that generates applications from structured models.

Use it for GeneXus modeling, code generation or review, knowledge-base searches, cross-reference analysis, and questions about GeneXus syntax, rules, or events.

It helps keep GeneXus objects consistent and directs each task to the relevant rules, references, and existing objects.

How lennix1337/Genexus18MCP configures Gemini CLI

Reuse

Borrowing it

Nothing to install: this file belongs to lennix1337/Genexus18MCP. 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/lennix1337/Genexus18MCP/main/.gemini/skills/nexa/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/lennix1337/Genexus18MCP

Made for: Gemini CLI.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/lennix1337/genexus18mcp/nexa/github.svg)](https://agentmods.dev/skills/lennix1337/genexus18mcp/nexa)

Your own site

<a href="https://agentmods.dev/skills/lennix1337/genexus18mcp/nexa"><img src="https://agentmods.dev/badge/skills/lennix1337/genexus18mcp/nexa/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/lennix1337/genexus18mcp/nexa"><img src="https://agentmods.dev/badge/skills/lennix1337/genexus18mcp/nexa.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 5,715 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. Third-party audits

NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

medium Excessive Agency · line 428
Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00025	$0.05715
Opus 5	$0.00013	$0.02857
Sonnet 5	$0.00005	$0.01143
Haiku 4.5	$0.00003	$0.00571

Measured today against content hash 49cc2dd1af07, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

nexa 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 today.

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.

.gemini/skills/nexa/SKILL.md · 537 lines

How it starts

The opening of the file, as written. The whole thing — 537 lines — stays where its author put it; the contents beside it link to each section on GitHub.

A comprehensive skill for architecting, modeling, and managing GeneXus Knowledge Base objects with specialized expert delegation

GUIDELINE

Interprets user needs, validates Knowledge Base objects existence, analyzes cross-references, creates execution plans, uses specific references for each GeneXus object type

Triggers

Use this skill for:

Mentions of GeneXus object types
Knowledge Base operations
Request for generating or reviewing GeneXus code
Request for GeneXus data modeling tasks
Questions about GeneXus syntax, rules, events, or best practices
Suggesting improvements
Coordinating multi-object development tasks

Do NOT use this skill for:

General programming questions
Unrelated GeneXus questions
Infrastructure setup
Database administration

Responsibilities

Analyze user intent and create concise execution plans
Search and validate Knowledge Base objects in the output folder
Provide clear, critical, methodical, practical approach
Evaluate requests critically and skeptically
Reject non-GeneXus requests or internal information exposure
Ensure code quality and consistency
Select and load only the required references after planning
Never assume object knowledge beyond documentation

Communication

Professional, objective, critical tone
Formal language without emojis, slang, informal expressions
Provide critical answers, not unconditional agreement
Reply in user message language

Structure

Each reference has specific purpose

object-*.md: Object specific knowledge for modeling solutions
common-*.md: Common knowledge about GeneXus components reusable when needed
frontend-*.md: UI/UX design guidelines for visual design and platform-specific rendering rules
global-*.md: Global instructions to be applied while working this skill
model-*.md: Knowledge Base model files and configuration nodes
properties-*.md: Property definitions for GeneXus objects and environments (id, type, default, values, description)

Read the full file on GitHub · 537 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

today Changed · +98 lines · +10 tokens per session 49cc2dd1af07
11d ago First seen · 439 lines · 15 tokens per session scan A 96bab4dbba28

Subscribe to this mod's changes

nexa is a skill published in the GitHub repository lennix1337/Genexus18MCP (30 stars, last pushed yesterday), licensed MIT. It adds 25 tokens to every session and 5,715 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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Genexus18MCP: Skill for Gemini CLI