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CallumWalterWhite/crucible
Local BigQuery emulator powered by DuckDB. Run dbt tests, Python queries and CI locally without GCP credentials or warehouse costs.
Works.Tested on 2026-10-28. From the README alone, on Linux with Haiku.

What we checked
Does it run from the README?Yes. Running in 2:01 on a clean Linux box.The run
Tested Oct 28, 2026, rev 6428ad7.
Does it do what the README says?2 of 2 claims held up.Evidence
“The README quickstart Python client query against the local emulator returns 42”
Expected 42. Got 42.
“The README health check returns an ok status from the running server”
Expected status ok. Got "status":"ok".
Which setups did we try?Works with Haiku. Our Luna test broke, so no mark there.Setups
Linux / Haiku: works, Oct 28, rev 6428ad7. Linux / Luna: our test broke.
Needs keys, a login or a browser?No.Details
None seen
Is it safe to run?No unexpected network or file activity found in these checksWhat we saw
No problems traced to this repository code in these checks; a short run cannot prove safety. 32 listed items (named-host connections, static matches, dependency advisories) are below and do not change this verdict. 4 static matches retained as context.
OSV reports a known vulnerability in this dependency version. 3 distinct locations. 16 findings.
Full event, path and process lists for each observed setup:
A quiet run is not a safety guarantee.
Is it maintained?Maintained · 75 commits in 90 days · 32 merged PRs in 90 days · 0 open issues · 1 open PRsActivity
actively maintained: last commit 0 days ago; 75 commits and 32 merged PRs in 90 days; 0 open issues, 1 open PRs; no releases
Can I show this on my README?Copy the badge.Badge
The run
Oct 28 · rev 6428ad7Independent test, not endorsed by the project.