# Scenario Simulator Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Scenario Simulator

Run what-if projections, sensitivity analysis, and break-even calculations for business scenarios.

- Record: https://musedirectory.ai/connector/scenario-simulator
- Category: Finance & Bills
- Developer: inity13
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, 397ms, checked 2026-09-28T09:16:07Z
- Endpoint: https://scenariosim-mcp.pages.dev/mcp
- Auth: No account needed; Pricing: unknown
- Screening: Screened, no issues found (2026-09-25T08:16:34Z)
- Source: Found in the official MCP Registry (io.github.inity13/scenariosim-mcp) https://registry.modelcontextprotocol.io/v0/servers?search=io.github.inity13%2Fscenariosim-mcp

Deterministic scenario modeling for business planning. Pre-built templates for SaaS growth, pricing changes, churn impact, cost reduction, hiring plans, and cash runway. Run sensitivity analysis to see which assumptions matter most, or solve for break-even values. Custom metrics supported.

Example request: "Show me how my SaaS revenue changes if churn increases by 5 percent, and what monthly price I'd need to hit 100k MRR."

How to connect: Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Scenario Simulator to help me. It is a free service with an MCP server at https://scenariosim-mcp.pages.dev/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Tools:
- run_scenario: Main simulation tool. Run a deterministic what-if projection from a pre-built template (saas_growth, pricing_change, churn_impact, cost_reduction, hiring_plan, cash_runway, unit_economics, marketing_funnel, compound_growth) OR a free-form 'metrics' model. Returns period-by-period
- sensitivity_analysis: Vary one or more input assumptions and show the impact on a target output metric (one-at-a-time sensitivity). Provide 'template', the input to sweep via 'variable' (or 'variables' array), and 'target_metric' (defaults to the template's primary output). Control the sweep with 'var
- break_even: Solve for the input value required to make an output metric hit a target value (deterministic bisection root-finding). Provide 'template', 'solve_for' (the input to solve), 'target_metric' (defaults to the primary output), and 'target_value'. Optionally pass 'bounds' [low, high] 
- compare_scenarios: Run 2-3 scenarios and compare their key_results side by side, with deltas against the first (baseline) scenario. Provide a 'scenarios' array where each entry is {name?, template, inputs} (each may set its own horizon, or pass a shared top-level 'horizon'). Optionally rank on 'com
- list_templates: Discovery tool: list every pre-built scenario template (id, label, category, description, primary output, documented inputs with defaults/units, and available output metrics), plus how to run a custom free-form scenario and the supported period labels. No required parameters.
- health_check: Server health, version, and capabilities (tools, templates, period labels, max horizon). No parameters.

Screening checks:
- MCP handshake: pass (Answered in 63ms)
- Domain against threat feeds (Cloudflare security DNS): pass (scenariosim-mcp.pages.dev not flagged)
- Published packages against the OSV malicious-package database: pass (No malicious-package advisories)
- Hidden instructions or invisible characters in tool text: pass (6 tools read, nothing found)
- Inputs asking for passwords, card numbers or seed phrases: pass (None found)
- Domain and redirects: pass (Domain registered 2214 days ago)
- AI review of purpose and tool behavior: pass (No concerns)