Simulation Sandbox

Model complex scenarios and test decision outcomes with simulated inputs.

2|Updated Mar 31, 2026
One-click install
npx skills add https://github.com/marktantongco/promptc-os --skill simulation-sandbox
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: Simulation Sandbox
Source: https://github.com/marktantongco/promptc-os/tree/main/skills/simulation-sandbox
Command: npx skills add https://github.com/marktantongco/promptc-os --skill simulation-sandbox

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides a structured, safe way to test scenarios, decisions, and code behavior without real-world consequences, reducing risk from untested changes and improving confidence in design choices.

Core Features & Use Cases

  • End-to-end simulation workflow: Guides users through defining scope, parameters, model rules, scenario runs, observation, and reporting with explicit labeling of simulated outputs.
  • Multi-scenario testing: Supports baseline, best-case, worst-case, edge-case, and stress-test runs with sensitivity analysis and clear limitation disclosure.
  • Use Case: Run an API load simulation to identify connection pool saturation points, or model pricing changes over 12 months to estimate MRR impacts while keeping simulated and real data strictly separated.

Quick Start

Please simulate a 5x traffic API load test for a Node.js REST API using plausible baseline metrics and label all outputs as [SIMULATED].

Frequently Asked Questions about Simulation Sandbox

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run a stress test simulation for an API to identify connection pool saturation points?

Scenario planning allows you to model architectural evaluations and strategic war-gaming by defining scope, parameters, and iteration rules across baseline, best-case, worst-case, and edge case runs. You observe labeled simulated outputs and review sensitivity analysis to understand potential decision outcomes safely.

Can I use sensitivity analysis to model pricing changes and estimate MRR impacts?

Yes, sensitivity analysis supports pricing and market what-if analyses by applying configurable assumptions to model pricing changes over specified periods. The simulation generates labeled outputs estimating MRR impacts while maintaining explicit separation of synthetic and real data.

What's the best way to structure algorithm prototyping with synthetic data?

Algorithm prototyping uses a structured workflow defining scope, parameters, model rules, and iteration rules to generate labeled synthetic data. You run multiple scenario types including baseline and edge cases, then review explicit limitation disclosures alongside simulated outputs.

Does scenario simulation work for architectural evaluations and failure stress tests?

Scenario simulation supports architectural evaluations and failure stress tests by modeling complex scenarios with configurable assumptions. The workflow runs baseline, worst-case, and stress scenarios, applying sensitivity analysis to test decision outcomes without real-world consequences.

What are the limitations of using simulated inputs for what-if analysis?

Limitations of simulated what-if analysis include reliance on plausible baseline metrics and configurable assumptions rather than real-world data. The workflow requires explicit limitation disclosure and strict separation of synthetic outputs from real data to prevent misinterpretation of simulated results.