Calculators
Find and run trustworthy calculators with clear methods, provenance, and sources.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.logiccommons.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.logiccommons.com/mcp{
"mcpServers": {
"calculators": {
"url": "https://mcp.logiccommons.com/mcp"
}
}
}claude mcp add --transport http calculators https://mcp.logiccommons.com/mcp{
"servers": {
"calculators": {
"type": "http",
"url": "https://mcp.logiccommons.com/mcp"
}
}
}3 tools, verified live
get_calculator_schemaGet the input and output schema for a calculator, generated from its reviewed contract: parameter types, units, allowed dropdown values and definitional bounds, plus outputs keyed by named range (including the status output). Table inputs carry a 'grid' block giving the exact number of rows to send, the column layout, which columns are editable, and how to shape a row; a table whose 'grid' block s
run_calculatorRun a calculator with the given inputs. Inputs are validated against the resolved version's reviewed contract and computed by SpreadsheetWeb through the same proxy as the web channel. An optional platform_version pins both validation and computation to that immutable version. Returns outputs keyed by named range (including the status output) and trust metadata with a citation URL, resolvedInputs,
search_calculatorsSearch the LogicCommons calculator catalog by keyword and optional category. Returns matching published calculators with slug, name, summary, category, a citation URL, and trust metadata.
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