Estimate feature incremental value

Estimate rollout value from segment-level treated/control outcomes with beta-binomial uplift posteriors, finance-owned contribution economics, and a probability-of-positive-value gate.

What it's for

Translates feature experiment outcomes into a posterior distribution of incremental financial value rather than celebrating uplift without economics.

What you give it

Inputs split into evidence read from your connected systems, calibration your team owns, and numerical controls that affect precision but never the result's meaning.

Field Type Role Required
beta_prior_alpha number > 0 Your calibration Optional
beta_prior_beta number > 0 Your calibration Optional
confidence_level number ≥ 0.5, ≤ 0.999 Your calibration Optional
max_detail_rows integer ≥ 1, ≤ 500 Numerical control Optional
minimum_probability_positive_value number ≥ 0, ≤ 1 Your calibration Optional
posterior_draws integer ≥ 1000, ≤ 200000 Numerical control Optional
rollout_cost number ≥ 0 Your calibration Yes
seed integer ≥ 0, ≤ 4294967295 Numerical control Optional
segments array of objects (7 fields) Evidence Yes

Each segments record

Field Type Required
contribution_value_per_conversion number Yes
control_successes integer (≥ 0) Yes
control_trials integer (≥ 1) Yes
eligible_accounts number (≥ 0) Yes
id string (non-empty) Yes
treated_successes integer (≥ 0) Yes
treated_trials integer (≥ 1) Yes
Example input
{
  "minimum_probability_positive_value": 0.8,
  "posterior_draws": 5000,
  "rollout_cost": 75000,
  "seed": 17,
  "segments": [
    {
      "contribution_value_per_conversion": 240,
      "control_successes": 120,
      "control_trials": 1000,
      "eligible_accounts": 8000,
      "id": "small-business",
      "treated_successes": 160,
      "treated_trials": 1000
    },
    {
      "contribution_value_per_conversion": 900,
      "control_successes": 84,
      "control_trials": 600,
      "eligible_accounts": 2000,
      "id": "mid-market",
      "treated_successes": 105,
      "treated_trials": 600
    }
  ]
}

What you get back

This is the actual output of running the example above — computed by the same function the platform calls, not an illustration.

Example output
{
  "assumptions": [
    "Treatment/control counts come from a valid randomized or conditionally exchangeable design with stable exposure, no material interference, complete outcome maturity, and consistent segment membership.",
    "Eligible accounts, contribution per conversion, and rollout cost are incremental finance-owned quantities over one horizon without cross-segment double counting.",
    "Beta-binomial uncertainty covers conversion sampling only; adoption, duration, cannibalization, treatment heterogeneity beyond segments, and causal-design error require additional modeling."
  ],
  "configuration": {
    "beta_prior_alpha": 1,
    "beta_prior_beta": 1,
    "confidence_level": 0.9,
    "minimum_probability_positive_value": 0.8,
    "posterior_draws": 5000,
    "seed": 17
  },
  "decision": "feature_incremental_value_supported",
  "method": "beta_binomial_segment_feature_incremental_value_v1",
  "segment_diagnostics": [
    {
      "expected_incremental_value_before_rollout_cost": 77066.5402,
      "posterior_mean_uplift": 0.0401,
      "probability_positive_segment_value": 0.9934,
      "probability_positive_uplift": 0.9934,
      "segment_id": "small-business",
      "uplift_interval": [
        0.0152,
        0.0658
      ]
    },
    {
      "expected_incremental_value_before_rollout_cost": 62968.7665,
      "posterior_mean_uplift": 0.035,
      "probability_positive_segment_value": 0.946,
      "probability_positive_uplift": 0.946,
      "segment_id": "mid-market",
      "uplift_interval": [
        -0.0008,
        0.069
      ]
    }
  ],
  "summary": {
    "expected_incremental_value": 65035.3067,
    "incremental_value_interval": [
      -14302.1922,

Truncated for display — the full payload is 52 lines.

How it works

Causal inference & experiment design — Separate what a change caused from what merely moved alongside it.

  1. 1 Freeze randomized or conditionally exchangeable treated/control cohorts, mature conversion outcomes, non-overlapping segments, eligible future accounts, contribution per conversion, and rollout cost.
  2. 2 Draw treated and control conversion posteriors per segment, propagate uplift through eligible accounts and contribution, aggregate segments, subtract rollout cost, and report the value interval and probability positive.
  3. 3 Approve value only after the governed probability gate and separate checks for assignment integrity, interference, attrition, exposure maturity, cannibalization, and transport to the rollout population.

Before you trust it

Every tool in the catalog ships with the conditions under which its answer is meaningful — and the conditions under which it should abstain instead of guessing.

Assumptions & guardrails

  • Assignment or adoption timing, interference policy, overlap, attrition, and outcome availability match the estimand encoded by the method.
  • Treatment assignment is valid or conditional exchangeability is defensible, outcomes are mature, interference is immaterial, and segment/account/value definitions avoid double counting.
  • A causal label is warranted only when design and diagnostic requirements pass; otherwise treat the result as descriptive or abstain.
  • Beta-binomial intervals cover conversion sampling only; they do not absorb design bias, duration, cannibalization, adoption decay, or extrapolation error.

Minimum evidence

  • segments: required and organization-defined
  • rollout_cost: required and organization-defined

How to validate it

Preserve the assignment/adoption design and validate overlap, pre-period or placebo diagnostics, attrition, interference policy, and cluster-level uncertainty; never tune on the estimated effect.

Calibrating it to your org

Same for everyone

The mathematical kernel, validation rules, method version, and JSON output semantics are organization-independent; no tenant-trained coefficients or company benchmark is embedded in the function.

Specific to you

  • treated/control trials and successes by pre-treatment segment with point-in-time outcome maturity
  • experiment estimand, assignment integrity, exclusion/attrition policy, outcome window, interference checks, segment freeze, rollout population, contribution/cost horizon, priors, and probability gate

Calibration workflow

  1. 1 Define the management decision, target outcome, aggregate unit, privacy boundary, cadence, and prediction/intervention horizon for this organization.
  2. 2 Build a tenant-scoped historical cohort using only information available before each prediction or decision; preserve zero periods, censoring, assignment probabilities, and unresolved outcomes when the method requires them.
  3. 3 Estimate statistical parameters on training history, but obtain costs, utilities, risk tolerance, practical-effect thresholds, capacity, and policy constraints from accountable decision owners.
  4. 4 Validate on later time windows or held-out aggregate units at the deployment grain, against a simple baseline and the function-specific validation strategy.
  5. 5 Deploy only if the returned decision clears evidence, overlap, calibration, robustness, and guardrail checks; warning, unsupported, schema-gap, and fallback decisions are abstentions.
  6. 6 Monitor realized outcomes, data drift, coverage, and decision regret; recalibrate at a governed cadence or after a detected regime/definition change, never merely because a stakeholder dislikes the result.

Call it from your AI

You don't wire up 388 tools in your MCP client. The GitRevio MCP server exposes 18 tools, three of which let an agent search the catalog, read a tool's schema, and run it — so the assistant finds this one on its own.

gitrevio_capabilities_search
  { "q": "estimate rollout value from segmentlevel treatedcontrol" }
  → finds "estimate_feature_incremental_value"

gitrevio_capability_describe
  { "capability_id": "estimate_feature_incremental_value" }
  → returns the input schema and agent guidance shown on this page

gitrevio_capability_run
  { "capability_id": "estimate_feature_incremental_value", "arguments": { ... } }
  → returns the result shown above

Works in Claude Desktop, Claude Code, Cursor, Cline, Continue.dev, Goose and Aider. See the MCP server.

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