One MCP endpoint + one key bundling scenario simulation, decision analysis, and exact finance math — plus cross-domain composite tools. Deterministic, byte-identical output.
AgentStack MCP combines three deterministic engines (scenario, decision, finance) with composite tools for agent reasoning at 40-digit precision. For agents planning budgets and valuations, unified deterministic reasoning costs half while eliminating friction of three keys.
The fourth in a suite of deterministic MCP servers for AI agents — and the one that ties the first three together.
Over the last stretch I shipped three focused, deterministic MCP servers:
ScenarioSim — what-if / scenario simulation
DecisionMatrix — multi-criteria decision analysis
PrecisionCalc — exact finance / business math
A deterministic MCP server that gives AI agents exact, high-precision business & finance calculations — decimals, never floats.…
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