MonsiTools Calculators
Find and run exact business, finance and SaaS calculators instead of guessing the math.
Should I use this
Quality & Safety
Findings (1)
- LOWTool 'describe_calculator' description lacks action verbin describe_calculator
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"calculators": {
"url": "https://monsitools.com/mcp"
}
}
}Remote endpoints
https://monsitools.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢search_calculators(query, category, limit)
Find MonsiTools calculators by keyword (for example 'runway', 'break even', 'roas', 'loan payment'). Returns each match's slug, name, category and input names. Use describe_calculator for details, then calculate to run one.
Input Schema
{
"type": "object",
"properties": {
"query": {
"type": "string",
"description": "Words to match against calculator names, categories and input names."
},
"category": {
"type": "string",
"description": "Optional exact category name, e.g. 'SaaS Metrics'."
},
"limit": {
"type": "integer",
"minimum": 1,
"maximum": 50,
"description": "Maximum results (default 10)."
}
},
"required": [
"query"
]
}🟢describe_calculator(slug)
Returns a calculator's name, category, formula, input names and page URL, given its slug.
Input Schema
{
"type": "object",
"properties": {
"slug": {
"type": "string",
"description": "Calculator slug, e.g. 'saas-runway-calculator'."
}
},
"required": [
"slug"
]
}🟢calculate(slug, inputs)
Runs a MonsiTools calculator on the given inputs and returns the result. Needs a MonsiTools Premium API key, sent as 'Authorization: Bearer mt_live_...' when connecting.
Input Schema
{
"type": "object",
"properties": {
"slug": {
"type": "string",
"description": "Calculator slug from search_calculators."
},
"inputs": {
"type": "object",
"description": "Input name to number, for every input the calculator lists.",
"additionalProperties": {
"type": "number"
}
}
},
"required": [
"slug",
"inputs"
]
}Community
Evidence