Tagging, cost allocation and commitments kept current without a spreadsheet.
Cost allocation breaks the day a resource ships without a tag. Agents check tagging, budgets and savings commitments across every account each day, trace untagged spend to the team that launched it, and fix the tags in code. Your monthly showback is ready without a spreadsheet.
Untagged spend in account ml-sandbox
Waiting for the ML platform lead to merge
[The work behind every cost report]
01The manual work
Allocate
Every month the FinOps lead exports the bill, guesses owners for untagged spend and chases teams for answers.
02The agent handoff
Showback ready
Frontier agents trace every untagged line to an owner, fix the tags in code and keep budgets and commitments current.
03Your team’s role
Decide
Own the tagging policy and the budgets. Approve commitment purchases and decide where spend should go.
[Where CloudThinker fits]
01Billing sources
Already in your clouds
No change to your billing
02Ownership
Your system of record
Source of truth stays put
03Governance
CloudThinker
Read-only by default
04Response
Spend with an owner
Purchases stay with people
[Example scenario]
A 200-engineer SaaS company with 34 AWS accounts, a $1.2M monthly bill, Terraform and Kubecost. Finance wants spend by product line this week.
Monthly close startsSignal
The Cost and Usage Report lands. 18% of spend has no cost-center tag.
Agent traces every lineAgent
Matches untagged resources to CloudTrail creators, Terraform modules and Kubernetes namespaces.
Finds the root causesAgent
Most of the gap comes from 4 Terraform modules with no default tags and 2 shared EKS clusters split by namespace only.
Fixes and a commitment checkAgent
Opens 4 pull requests for tags, maps namespaces to cost centers, and flags a Savings Plan that expires in 21 days.
FinOps lead approvesYour team
Approves the namespace mapping and asks for a renewal option with a smaller hourly commitment.
Showback publishedAgent
Untagged spend down to 2%. Spend by product line posted, renewal options attached for finance.
AWS Cost and Usage Report09:00
September CUR available. $214,600 (18%) has no cost-center tag.
CloudThinker09:20
Traced 96% of untagged spend to owners. Causes: 4 Terraform modules with no default_tags, 2 shared EKS clusters. Opened 4 pull requests. Also: Compute Savings Plan sp-0a91 expires in 21 days.
FinOps lead11:45
Mapping approved. Show me a renewal at a lower hourly commitment.
CloudThinker11:58
Untagged spend now 2%. Showback by product line posted to the finance folder. Two renewal options attached, based on 90 days of usage.
An illustrative example. Team, systems and times are representative, not a specific customer.
[Frontier governance agents]
Agents keep the boring half of FinOps current every day, so tags, budgets and commitments stay right and your team spends its time on the decisions only people can make.
[What changes]
| Moment | Today | With frontier agents |
|---|---|---|
| Untagged spend | Guessed at month end | Traced to an owner the day it appears |
| Showback | Two weeks of spreadsheets | Published on day one of the close |
| Tagging policy | A wiki page teams forget | Enforced in Terraform with pull requests |
| Commitments | Noticed after they expire | Renewal options weeks ahead, from real usage |
| FinOps team time | Chasing owners | Working with teams on what to spend |
[Integrations]
[Adoption path]
The rollout follows the four phases of the AWS Cloud Adoption Framework, so it fits the plan your cloud team already runs.
01Envision
Start with last month
Connect the Cost and Usage Report read-only. Agents trace last month’s untagged spend and show what they find.
02Align
Agree the allocation rules
Set the tagging policy, the cost centers and how shared spend is split. Write down who approves commitments.
03Launch
Roll out to every account
Add every account and module on the same rules, with tag fixes arriving as pull requests.
04Scale
Make the close automatic
Showback, budgets and renewal options are ready on day one of every month.
[Customer proof]
A Vietnamese consumer-finance company with 800+ branches made cost optimization continuous as it grew a read-only pilot into a governed hybrid-cloud operating model.
[AWS guidance]
[Trust and control]
[Questions]
[Go deeper]
Start with last month’s bill, read-only. See how much spend agents can trace to an owner before you change a tag.

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Applied to your own AWS account.

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