Blog
Notes on governed semantic layers, from the people building datahashi.
· The datahashi team
Every query is metered
datahashi records what each query scanned, so "what did this tenant cost" is one endpoint away — not a data-warehouse billing archaeology project.
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Introducing datahashi
Same metric for humans and AI agents — without hallucinated SQL. A governed semantic layer you author as YAML, publish as an immutable artifact, and query over REST or MCP.
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