Build your own FinOps tool, or don’t.
One dashboard is free. A shared tool is not.
One engineer with Claude and a billing API gets a useful dashboard in an afternoon. That part is free, and we recommend it. The cost starts when the rest of the engineering team needs to use it too. Teams we talk to spend several weeks building a framework, the tools and an agent harness that others can share. Then they have to host it, maintain it and keep adding features, on top of their platform roadmap.
What a shared internal tool takes
Build (weeks)
Ingestion for each provider (cloud, data cloud, LLMs); normalization and amortization of commitments; cost metrics that finance and engineering agree on; allocation rules with history that survives reorgs; access for the whole team; an agent harness that doesn’t hallucinate numbers.
Run (forever)
Hosting and on-call; schema drift every time a provider changes its billing export; LLM price tables kept up to date; new providers and new teams; alerts tuned so they aren’t noise.
Grow (forever)
Every feature the team asks for next (budgets, unit economics, Slack alerts, reports) lands on the same platform team’s backlog.
Buy (30 minutes)
Connect your billing exports with Terraform in under 30 minutes. Allocation in YAML, unit economics, formula alerts, budgets, Slack, the MCP and the API, for every user. From €3,000 a year, never a % of your bill.
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