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`.mbt`

1 claimant 1 primary 0 secondary unambiguous primary

SWH popularity

From the SWH-MSR-ARV dataset (Desmazières, Di Cosmo, Lorentz, MSR 2025; file nb_extensions_alphanum.csv) — one row per (ext, year) in the full SWH archive. Case-aggregated. citation.

878

total occurrences

270

since 2019 (30.8%)

1995–2023

years active

Case variants in archive: .mbt (853), .MBT (24), .Mbt (1) — aggregated above.

Attribution status

This extension is attributed to MoonBit as primary by 1 authoritative claim.

Authoritative sources: ✓ Linguist ✗ Pygments · no claim ✗ Wikidata · no claim ✗ Wikipedia · no claim

Disagree or have a correction? Open a labelling issue.

Claimants (1)

Languages that list .mbt among their extensions. Strength reflects whether the upstream source treated it as their primary extension.

Language	Source	Strength
MoonBit	linguist	primary

SWH-mined examples (1)

Real archived programs with this extension, byte-verified against the SWH archive. Useful for deciding what this extension actually is when the attribution is uncertain.

async_primitive.mbt · 4593 B · seen 2× in SWH

predicted: MoonBit via unique-primary

swh:1:cnt:3a15c1330353c5db2b76743df0049ecf3e88af05;origin=https://github.com/bytecodealliance/wit-bindgen;anchor=swh:1:rev:d333137e4a6238de4c54987d2ff123f66ab92069;path=/crates/moonbit/src/ffi/async_primitive.mbt

Open in SWH · Raw bytes