construir-escena

construir-escena is a skill for Claude Code from KevinInoCol/coppeliasim-mcp. It costs 93 tokens per session (1,175 once invoked), scanned A, original, MIT.

A guide to creating CoppeliaSim scenes with code, including floors, walls, openings, and obstacles. It explains how separate object settings control physics, collisions, and sensor visibility.

In plain words
What is it for?
Use it when generating a robot environment or checking that the robot fits and can reach every area.
Why use it?
It helps prevent scenes from collapsing, robots from passing through walls, and proximity sensors from missing objects.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the coppeliasim plugin — 9 skills, 1 MCP server shipped together

Good fit Use it when generating a robot environment or checking that the robot fits and can reach every area.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kevininocol/coppeliasim-mcp/construir-escena
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 KevinInoCol/coppeliasim-mcp --skill construir-escena
Clone the repo
git clone --depth 1 https://github.com/KevinInoCol/coppeliasim-mcp

Made for: Claude Code.

Or install coppeliasim, the plugin that ships this one along with the rest of its 9 skills, 1 MCP server.

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 construir-escena

README.md
[![agentmods](https://agentmods.dev/badge/skills/kevininocol/coppeliasim-mcp/construir-escena/github.svg)](https://agentmods.dev/skills/kevininocol/coppeliasim-mcp/construir-escena)
Your own site
<a href="https://agentmods.dev/skills/kevininocol/coppeliasim-mcp/construir-escena"><img src="https://agentmods.dev/badge/skills/kevininocol/coppeliasim-mcp/construir-escena/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 construir-escena

Your own site · 80×15
<a href="https://agentmods.dev/skills/kevininocol/coppeliasim-mcp/construir-escena"><img src="https://agentmods.dev/badge/skills/kevininocol/coppeliasim-mcp/construir-escena.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,175 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 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 $0.00093 $0.01175
Opus 5 $0.00046 $0.00588
Sonnet 5 $0.00019 $0.00235
Haiku 4.5 $0.00009 $0.00118

Measured 11d ago against content hash 8e3b31de55f8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

construir-escena 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.

skills/construir-escena/SKILL.md · 107 lines

How it starts

The opening of the file, as written. The whole thing — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Construir una escena por código

Las tres propiedades, y por qué se confunden

Un objeto de CoppeliaSim tiene tres interruptores independientes. Casi todos los problemas de escena salen de confundirlos:

Propiedad Qué decide Si está mal
dynamic si la física lo mueve (cae, se empuja) el decorado se derrumba al dar Play
respondable si otros cuerpos chocan con él el robot atraviesa las paredes
detectable si un sensor de proximidad lo ve el sensor "no funciona"

Una pared de decorado es no dinámica, respondable y detectable:

sim.setBoolProperty(handle, "dynamic", False)
sim.setBoolProperty(handle, "respondable", True)
sim.setObjectInt32Param(handle, sim.shapeintparam_respondable_mask, 0xFFFF)
sim.setBoolProperty(handle, "detectable", True)

detectable es la causa número uno de "mi sensor no detecta nada". No se hereda ni se activa sola: un objeto recién creado es invisible para todo sensor de proximidad hasta que se le pone.

Los suelos decorativos no deben ser sólidos

Si pintas el suelo de cada habitación con una caja fina, esa caja no puede ser respondable ni colisionable. Un suelo de 1 cm de grosor es un escalón de 1 cm en cada vano, y el robot tropieza con él o se queda clavado.

Déjalos como pura decoración: no dinámicos, no respondables, no detectables. El robot rueda sobre el terreno de verdad, no sobre la capa de color.

El suelo por defecto mide 5 x 5 m

/Floor viene con la escena y es pequeño para casi cualquier planta. Si tu escena es mayor, bórralo y crea un terreno del tamaño que necesites, o el robot se caerá por el borde a mitad de recorrido.

Paredes con vanos

Una pared con puerta no es un objeto: son dos tramos con un hueco entre medias. Genera los tramos a partir de la línea completa y la lista de vanos, en vez de colocar cada trozo a mano — así los números salen de un sitio solo y mover una puerta no obliga a recalcular nada:

def tramos_de_muro(inicio, fin, puertas):
    """Devuelve los trozos de pared entre inicio y fin, saltando los vanos."""

Read the full file on GitHub · 107 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. 11d ago First seen · 107 lines · 93 tokens per session scan A 8e3b31de55f8

Subscribe to this mod's changes

construir-escena is a skill published in the GitHub repository KevinInoCol/coppeliasim-mcp (0 stars, last pushed 15d ago), licensed MIT. It adds 93 tokens to every session and 1,175 once invoked, about $0.0005 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 2026-08-31.

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