Sub-function
Site Reliability
Owns incident work end to end inside Engineering. more
Estate rating
A
78 / 100
Correlation and runbook execution run in seconds without a human. more
Agents
9
Lines
3
Units / wk
16,109
Timetable vs actual
20.9h → 21.3h
Cost / unit
$6.59
was $24
Run-rate saving
$14.2M
annualized at this volume
The 9 agents running this sub-function
Grouped by what they are for, not by where they sit. more
Reliability Orchestrator
Owns the site reliability lane end to end. Sequences the other agents, holds the timetable, and decides what surfaces to a human.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Alert Correlation Agent
Runs the repeatable portion of site reliability inside the shared transaction spine at spine cost and spine controls.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Capacity Agent
Runs the repeatable portion of site reliability inside the shared transaction spine at spine cost and spine controls.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Incident Commander Agent
Executes the site reliability step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Runbook Execution Agent
Executes the site reliability step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Post-mortem Agent
Executes the site reliability step it owns, posts its evidence, and hands the unit to the next stage.
ceiling A4 · escalates to Escalates to Director, Site Reliability when the unit falls outside the decision envelope or confidence drops below the floor.
Error Budget Agent
Holds the rules that bind every other agent in site reliability. Versions them, tests them against live decisions, and blocks work that breaches them.
ceiling A4 · escalates to Escalates on any decision that would breach a live policy version, with the clause cited.
Reliability Policy Agent
Holds the rules that bind every other agent in site reliability. Versions them, tests them against live decisions, and blocks work that breaches them.
ceiling A4 · escalates to Escalates on any decision that would breach a live policy version, with the clause cited.
Site Reliability Challenger Agent
Adversarial reviewer for site reliability. Argues the opposite case on every position and flags where the evidence does not carry the claim.
ceiling A4 · 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 scenario work and strategy authoring review.
Lines running in this sub-function
Each line is a workflow. more
Strategy positions this sub-function holds
An agent that only executes is a robot. more
Site Reliability Operating Position
Ratifiedv1Which parts of site reliability should deliberately stay human, and how do we defend that against a cost argument?
Hold the ceiling at A4 for site reliability. more
confidence
77%
The challenge — Site Reliability Challenger Agent
Site Reliability Challenger Agent argues the recommendation leans on 4 quarters of data from a period with no volume shock. more
Break conditions
- ·Override rate rises above 14 percent for two consecutive months
- ·Cost per incident stops falling while volume keeps rising
- ·A control failure in this lane reaches a customer or a regulator
Evidence gaps
- ·No external comparator on a like-for-like unit definition
- ·Exception cases under $57k are sampled, not fully measured
| Alternative considered | Cost | Risk | Verdict |
|---|---|---|---|
| Hold the current position | $722k run rate | Known and priced. Cedes ground if comparators move faster. | not selected |
| Raise the ceiling one level now | $474k to build controls | Override rate is 12 percent; raising the ceiling before that settles imports the error into production. | rejected on evidence |
| Move the exception tail to the spine | $110k transition | Loses local context. Rework risk on the cases that are hardest to recover. | selected |
Ratified 5 months ago. Measured since: cost per incident rose 3 percent against a forecast that it would fall 24 percent.
Policy register
The rules the agents above are bound by. more
| Ref | Rule | Scope | Owner agent | Approved by | Version | Status |
|---|---|---|---|---|---|---|
| EN7-POL-200 | Site Reliability Decision Envelope Agents in this lane may act without a human when the incident sits inside the stated value, risk and confidence envelope. more binds 5 agents · APAC | envelope | Error Budget Agent | Director, Site Reliability | v1.6 | Active |
| EN7-POL-201 | Site Reliability Evidence Standard Every autonomous decision writes inputs, the rule version applied, the model and prompt version, the output and a reversal path. more binds 5 agents · Global · EU | evidence | Error Budget Agent | Director, Site Reliability | v4.7 | Active |
| EN7-POL-202 | Site Reliability 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. more binds 5 agents · Global · EU | escalation | Error Budget Agent | Director, Site Reliability | v4.6 | Active |