Open-source data for humans and agents.

Esker is a registry for public data. Engineers and AI agents pull versioned, verifiable datasets — from any language, on any runtime.

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Authoring

Publish once. Pull from anything.

Publish
$ esker push us.sec.companies
  esker-dev/us.sec.companies@1.0.0
  10,348 records · 0.5s · output/us.sec.companies.parquet
  pushed esker-dev/us.sec.companies@1.0.0
Consume
import esker
 
esker.add("esker-dev/us.sec.companies")
 
apple = esker.get_one(
  "us.sec.companies",
  where={"ticker": "AAPL"},
)
Live

What an Esker dataset looks like

esker.so/
us.sec.companies@1.1.0
cikstring
tickerstring
titlestring
name_lengthinteger · nullable
0000320193
AAPL
Apple Inc.
10
0000789019
MSFT
Microsoft Corp
14
0001652044
GOOGL
Alphabet Inc.
13
10,247 records·daily·public domain
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