Sub-function
Cost-to-Serve Management
Owns cost line work end to end inside AI GBS & Global Business Services. Runs 3 lines across 19 stations, drains the repeatable share into the R2R tower, and holds 2 human gates.
Estate rating
BBB
72 / 100
The tower that keeps the platform honest. Computation is agentic; the published unit economics carry a named human author because they are used to make investment decisions.
Agents
11
Lines
3
Units / wk
8,133
Timetable vs actual
20.0h → 19.4h
Cost / unit
$2.85
was $11
Run-rate saving
$3.3M
annualized at this volume
The 11 agents running this sub-function
Grouped by what they are for, not by where they sit. The agent org is process-shaped.
Cost-to-Serve Orchestrator
Owns the cost-to-serve management lane end to end. Sequences the other agents, holds the timetable, and decides what surfaces to a human.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Unit Cost Agent
Runs the repeatable portion of cost-to-serve management inside the shared transaction spine at spine cost and spine controls.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Chargeback Agent
Runs the repeatable portion of cost-to-serve management inside the shared transaction spine at spine cost and spine controls.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Cost Narrative Agent
Runs the repeatable portion of cost-to-serve management inside the shared transaction spine at spine cost and spine controls.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Inference Cost Agent
Executes the cost-to-serve management step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Volume Attribution Agent
Executes the cost-to-serve management step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Benchmark Agent
Executes the cost-to-serve management step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A3 · escalates to Escalates to Head of Service Economics when the unit falls outside the decision envelope or confidence drops below the floor.
Margin of Automation Agent
Authors positions on cost-to-serve management. Frames the question, models the options, and writes a recommendation a human can ratify or reject.
ceiling A3 · escalates to Escalates when two options sit inside the confidence band and the evidence cannot separate them.
Economics Doctrine Agent
Authors positions on cost-to-serve management. Frames the question, models the options, and writes a recommendation a human can ratify or reject.
ceiling A3 · escalates to Escalates when two options sit inside the confidence band and the evidence cannot separate them.
Chargeback Policy Agent
Holds the rules that bind every other agent in cost-to-serve management. Versions them, tests them against live decisions, and blocks work that breaches them.
ceiling A3 · escalates to Escalates on any decision that would breach a live policy version, with the clause cited.
Cost-to-Serve Management Challenger Agent
Adversarial reviewer for cost-to-serve management. Argues the opposite case on every position and flags where the evidence does not carry the claim.
ceiling A3 · escalates to Escalates when a ratified position is still running against a break condition it flagged.
Estate rating breakdown
Seven control dimensions. Judgment readiness runs against autonomy on purpose.
People
What the humans stopped doing, and what they do now.
Redeployed into exception judgment and supplier relationship work.
Lines running in this sub-function
Each line is a workflow. Click a line to walk it station by station.
Strategy positions this sub-function holds
An agent that only executes is a robot. These are the calls it made, the argument against each one, and what would prove it wrong.
Automation Economics Position
Rejectedv3Which parts of cost-to-serve management should deliberately stay human, and how do we defend that against a cost argument?
Hold the ceiling at A3 for cost-to-serve management. The tower that keeps the platform honest. Computation is agentic; the published unit economics carry a named human author because they are used to make investment decisions. Raise it only after two consecutive quarters where the override rate stays under five percent and every override has a written cause.
confidence
61%
The challenge — Cost-to-Serve Management Challenger Agent
Cost-to-Serve Management Challenger Agent argues the recommendation leans on 3 quarters of data from a period with no volume shock. The confidence band overlaps the alternative, and the position does not say what it would take to be wrong. Recorded as a dissent, not a block.
Break conditions
- ·Override rate rises above 14 percent for two consecutive months
- ·Cost per cost line stops falling while volume keeps rising
- ·A control failure in this lane reaches a customer or a regulator
Evidence gaps
- ·No independent test of the control evidence behind the touchless rate
| Alternative considered | Cost | Risk | Verdict |
|---|---|---|---|
| Hold the current position | $318k run rate | Known and priced. Cedes ground if comparators move faster. | live |
| Raise the ceiling one level now | $821k to build controls | Override rate is 13 percent; raising the ceiling before that settles imports the error into production. | rejected on evidence |
| Move the exception tail to the spine | $1089k transition | Loses local context. Rework risk on the cases that are hardest to recover. | under review |
Cost-to-Serve Management Operating Position
In challengev1Where should the autonomy ceiling for cost-to-serve management sit over the next four quarters, and what evidence would justify moving it?
Keep the repeatable cost line volume in the spine and pull the exception tail back into the function. The spine is cheaper per unit; the tail is where the context that prevents rework actually sits.
confidence
86%
The challenge — Cost-to-Serve Management Challenger Agent
Cost-to-Serve Management Challenger Agent argues the recommendation leans on 3 quarters of data from a period with no volume shock. The confidence band overlaps the alternative, and the position does not say what it would take to be wrong. Recorded as a dissent, not a block.
Break conditions
- ·Override rate rises above 15 percent for two consecutive months
- ·Cost per cost line stops falling while volume keeps rising
- ·A comparator publishes a materially lower unit cost on a like-for-like basis
Evidence gaps
- ·No external comparator on a like-for-like unit definition
- ·Exception cases under $46k are sampled, not fully measured
| Alternative considered | Cost | Risk | Verdict |
|---|---|---|---|
| Hold the current position | $829k run rate | Known and priced. Cedes ground if comparators move faster. | live |
| Raise the ceiling one level now | $922k to build controls | Override rate is 10 percent; raising the ceiling before that settles imports the error into production. | rejected on evidence |
| Move the exception tail to the spine | $95k transition | Loses local context. Rework risk on the cases that are hardest to recover. | under review |
Policy register
The rules the agents above are bound by. Version, owner, approver, and the agents each rule constrains.
| Ref | Rule | Scope | Owner agent | Approved by | Version | Status |
|---|---|---|---|---|---|---|
| GB11-POL-200 | Cost-to-Serve Management Decision Envelope Agents in this lane may act without a human when the cost line sits inside the stated value, risk and confidence envelope. Outside it, the unit holds at a gate with a named approver and a running clock. binds 6 agents · EU · UK | envelope | Chargeback Policy Agent | Head of Service Economics | v1.9 | Active |
| GB11-POL-201 | Cost-to-Serve Management Evidence Standard Every autonomous decision writes inputs, the rule version applied, the model and prompt version, the output and a reversal path. An action with no evidence record is treated as a control failure, not a fast decision. binds 6 agents · APAC | evidence | Chargeback Policy Agent | Head of Service Economics | v2.6 | Active |
| GB11-POL-202 | Cost-to-Serve Management Escalation Rule Escalation is mandatory when confidence falls below the floor, when two options sit inside the confidence band, or when a break condition on a ratified position fires. Head of Service Economics owns the response clock. binds 6 agents · APAC | escalation | Chargeback Policy Agent | Head of Service Economics | v1.9 | Active |