Imported from faionfaion/faion-network (skills/faion/playbooks/optimize-tune/cost-optimization-sweep-4-weeks/AGENTS.md). Install upstream with npx skills add faionfaion/faion-network --skill cost-optimization-sweep-4-weeks. Copyright stays with the author.

Cost optimization sweep (4 weeks)

Name: cost-optimization-sweep-4-weeks
Author: faionfaion

Slug: cost-optimization-sweep-4-weeks · Tier: pro · Complexity: deep

Context

Cloud bill cut by a measurable target (e.g. 25%) without breaking SLOs: rightsize compute, kill waste, adopt commitments / spot where safe, install cost guardrails. Exit: monthly run-rate down vs. baseline, FinOps dashboards live, cost alerts wired.

Outcome

The playbook is done when each stage below has produced its artifact, the decision gate has been passed in writing, and the operator can show a teammate a clean evidence trail across the entire chain.

Steps

Step 1: Plan & frame

Achieve the 'plan & frame' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 2: Inventory & baseline

Achieve the 'inventory & baseline' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 3: Design choices

Achieve the 'design choices' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 4: Pilot / dry-run

Achieve the 'pilot / dry-run' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 5: Roll-out

Achieve the 'roll-out' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 6: Verify & measure

Achieve the 'verify & measure' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 7: Document & handoff

Achieve the 'document & handoff' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Step 8: Decide / lock-in

Achieve the 'decide / lock-in' outcome by working through the tasks listed in playbook.yaml. Capture the named outputs and resolve open questions before moving on.

Decision points

Each stage in playbook.yaml carries an explicit decision_gate. Treat them as hard exits — do not advance on vibes. The two highest-stakes gates in this playbook:

Entry gate — confirm prerequisites are real, not assumed. If a prerequisite is missing, stop and resolve it before starting Step 1.
Final gate — the playbook closes with a written decision artifact. No 'see how it goes'.

References

knowledge/pro/infra/cicd-engineer/fco-commitment-pricing
knowledge/pro/infra/cicd-engineer/fco-cost-allocation
knowledge/pro/infra/cicd-engineer/fco-rightsizing
knowledge/pro/infra/cicd-engineer/fco-spot-instances
knowledge/pro/infra/cicd-engineer/fco-waste-elimination
knowledge/pro/infra/cicd-engineer/finops-agentic-workflow
knowledge/pro/infra/cicd-engineer/finops-ai-ml-costs
knowledge/pro/infra/cicd-engineer/finops-cost-visibility

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cost-optimization-sweep-4-weeks

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