Agent skill
list-s3-buckets
List all S3 buckets in your AWS account using aws s3api with results returned in TOON format for efficient token usage.
Install this agent skill to your Project
npx add-skill https://github.com/chaddm/ad-astra-per-aspera/tree/main/skills/list-s3-buckets
SKILL.md
List S3 Buckets
What I Do
This skill provides a script to list all S3 buckets in your AWS account using the aws s3api list-buckets command. Results are returned in TOON format for efficient token usage.
Configuration
AWS requires SSO authentication to access S3 buckets. If the aws command returns an error that no matching credentials were found or no access to resources, return the following:
Authentication Failure: AWS SSO has not been authenticated.
Please follow your AWS SSO login procedure and then try again.
Workflow
List All Buckets:
Use the list_buckets.sh script to list all S3 buckets in your AWS account.
Syntax:
./.opencode/skill/list-s3-buckets/list_buckets.sh
Output Format:
Results are returned in TOON format:
owner: 57ae06d7ead4f18f57e77501d49ecb47bc9748b82b6fffddd23a7b2d3c504c73
buckets[60]{name,arn,creationDate}:
aws-athena-java-search-output,arn:aws:s3:::aws-athena-java-search-output,2022-06-14T20:54:35+00:00
aws-athena-query-results-782546223821-us-east-1,arn:aws:s3:::aws-athena-query-results-782546223821-us-east-1,2022-06-13T20:36:39+00:00
aws-glue-assets-782546223821-us-east-1,arn:aws:s3:::aws-glue-assets-782546223821-us-east-1,2020-12-14T19:17:34+00:00
...
Error Format:
Errors are returned in TOON format:
Error:
status: 255
message: An error occurred (AccessDenied) when calling the ListBuckets operation: Access Denied
When to Use Me
Use this skill when you need to:
- List all available S3 buckets in your AWS account
- Get bucket metadata including ARNs and creation dates
- Verify bucket existence or access permissions
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