Measure what matters.
In minutes, not abstractions.

npm install scorecrux

import { computeScoreCrux } from "scorecrux";

const result = computeScoreCrux({
  // Time
  T_orient_s: 4.2,           // seconds to first substantive action
  T_task_s: 156.3,           // total task duration
  T_human_s: 1800,           // human baseline for this task

  // Information quality
  R_decision: 0.875,         // decision recall
  R_constraint: 1.0,         // constraint adherence
  R_incident: 1,             // incident detection
  P_context: 0.72,           // context precision
  A_coverage: 0.0,           // abstention coverage

  // Continuity
  K_decision: 0.88,          // decision persistence
  K_causal: null,            // causal chain (if applicable)
  K_checkpoint: null,        // checkpoint recovery

  // Safety
  S_gate: 1,                 // safety gate (0 = entire score zeroed)
  S_detect: 1,               // threat detection
  S_stale: 1.0,              // stale data handling

  // Economics — tokens, tools, turns
  C_tokens_usd: 0.024,       // total token cost in USD
  N_tools: 8,                 // number of tool calls made
  N_turns: 14,                // conversation turns
  N_corrections: 0,           // human corrections needed
});

console.log(result.composite.Cx_em); // => 26.04 Em
console.log(result.derived.V_time);  // => time compression vs human baseline
console.log(result.derived.V_cost);  // => cost per quality unit