Scala, marked

Every repository here has at least 1,000 stars and was marked against the same scheme. Curated lists, books, and tutorials are marked separately and left out, since asking whether an agent can install a list of links means nothing.

The class as a whole

873

repositories marked

median mark out of a hundred

37%

have no test command an agent can find

35%

ship an AGENTS.md

Seeded from the 864 most-starred repositories on 25 August 2026 and re-marked since. Figures current to 10 October 2026.

Top of the class Bottom of the class Most starred Recently added

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	Repository	MD	Language	Added	Stars	Mark
1	apache/spark Apache Spark - A unified analytics engine for large-scale data processing	✓	Scala	25 Aug	44k	61	B-
2	twitter/the-algorithm Source code for the X Recommendation Algorithm	·	Scala	25 Aug	74k	32	D

Mark yours.

Two API calls. Nothing cloned, nothing executed, no account.