Individual skill

atlas-spanner

Google Cloud Spanner specifics for Atlas: the extended build and login, URLs and Application Default Credentials, GoogleSQL and PostgreSQL dialects, the emulator dev database and what it lacks, `-- atlas:txmode none` in every migration file, partial failures and long-running schema changes (index backfills, validations, Google's batch limits), what Spanner cannot change in place (primary keys, interleaving, column types, renames), objects Atlas leaves out or plans wrongly (identity columns, NOT ENFORCED foreign keys, interleaved indexes, change streams, database options), hotspot-free keys and bit-reversed sequences, named schemas, roles and grants, migration tests in place of schema tests, mutation limits and batched backfills, and custom lint rules. Use with the atlas skill whenever Atlas manages a Spanner database.

skills/atlas-spanner/SKILL.md

Source commit f851298e4b0e7cb0ad268e8de03100968c2e5041

What was checked

Matches the observed repository HEAD

Yes

Scanner rules are current

Yes

Repository scan complete

No

Skill scan complete

No

Observed behavior

Network or broad shell

Last checked

Nov 9, 2026

These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.

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