Why it matters

GCP integrations shape agent capabilities on Google Cloud.

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The architecture

Google Cloud client libs for Java.

Wrap operations as tools.

ADC for auth.

GCP tool suiteBigQuery toolrun queriesGCS toolread/write objectsPub/Sub toolpublish/subscribeUse ADC (Application Default Credentials) not stored keys
GCP tool patterns.
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How it works end to end

BigQuery: query cost tracking; result size limits.

GCS: signed URLs for downloads; ACL for permissions.

Pub/Sub: topic + subscription setup.

Least privilege: IAM roles per tool.