awsflow-dynamodb

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Manage Amazon DynamoDB tables and items using awsflow. Create/delete/update tables, query and scan data, CRUD operations on items, manage TTL, backups, global tables, auto-scaling, and tags.

necatiarslan By necatiarslan schedule Updated 2/16/2026
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name: awsflow-dynamodb description: Manage Amazon DynamoDB tables and items using awsflow. Create/delete/update tables, query and scan data, CRUD operations on items, manage TTL, backups, global tables, auto-scaling, and tags.

Awsflow DynamoDB

Manage DynamoDB tables and items through the awsflow DynamoDBTool.

When to Use This Skill

Use this skill when the user:

  • Asks about DynamoDB tables or items
  • Wants to query or scan DynamoDB data
  • Needs to create, update, or delete tables
  • Wants to perform CRUD operations on items (get, put, update, delete)
  • Asks about TTL, backups, global tables, or auto-scaling
  • Needs to manage table tags

Tool: DynamoDBTool

Execute DynamoDB commands. ALWAYS provide params object.

Commands

ListTables

List DynamoDB tables.

{ "command": "ListTables", "params": { "Limit": 100 } }

Parameters:

Parameter Type Required Description
Limit number No Maximum number of tables to return
ExclusiveStartTableName string No Pagination start table name

DescribeTable

Get detailed information about a table.

{ "command": "DescribeTable", "params": { "TableName": "my-table" } }

Parameters:

Parameter Type Required Description
TableName string Yes Target table name

DescribeTimeToLive

Get TTL settings for a table.

{ "command": "DescribeTimeToLive", "params": { "TableName": "my-table" } }

Parameters:

Parameter Type Required Description
TableName string Yes Target table name

DescribeContinuousBackups

Get continuous backup and point-in-time recovery status.

{ "command": "DescribeContinuousBackups", "params": { "TableName": "my-table" } }

Parameters:

Parameter Type Required Description
TableName string Yes Target table name

DescribeTableReplicaAutoScaling

Get auto-scaling settings for table replicas.

{ "command": "DescribeTableReplicaAutoScaling", "params": { "TableName": "my-table" } }

Parameters:

Parameter Type Required Description
TableName string Yes Target table name

Query

Query items by primary key with optional filter expressions.

{
  "command": "Query",
  "params": {
    "TableName": "my-table",
    "KeyConditionExpression": "pk = :pk AND begins_with(sk, :prefix)",
    "ExpressionAttributeValues": { ":pk": { "S": "user-123" }, ":prefix": { "S": "order#" } },
    "Limit": 25
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
KeyConditionExpression string Yes (for Query) Key condition expression
FilterExpression string No Filter expression applied after query
ExpressionAttributeValues object No Expression attribute values map (DynamoDB typed: {"S":"string"}, {"N":"123"}, {"BOOL":true})
ExpressionAttributeNames object No Expression attribute names map (for reserved words)
IndexName string No Secondary index name (GSI or LSI)
Select string No Projection selection (ALL_ATTRIBUTES, ALL_PROJECTED_ATTRIBUTES, COUNT, SPECIFIC_ATTRIBUTES)
Limit number No Maximum items to return

Scan

Scan all items in a table with optional filter.

{
  "command": "Scan",
  "params": {
    "TableName": "my-table",
    "FilterExpression": "age > :minAge",
    "ExpressionAttributeValues": { ":minAge": { "N": "30" } },
    "Limit": 100
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
FilterExpression string No Filter expression
ExpressionAttributeValues object No Expression attribute values map
ExpressionAttributeNames object No Expression attribute names map
IndexName string No Secondary index name
Select string No Projection selection
Limit number No Maximum items to return

GetItem

Get a single item by primary key.

{
  "command": "GetItem",
  "params": {
    "TableName": "my-table",
    "Key": { "pk": { "S": "user-123" }, "sk": { "S": "profile" } }
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
Key object Yes Primary key map (DynamoDB typed values)

PutItem

Create or replace an item.

{
  "command": "PutItem",
  "params": {
    "TableName": "my-table",
    "Item": { "pk": { "S": "user-123" }, "sk": { "S": "profile" }, "name": { "S": "John" } }
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
Item object Yes Item attributes map (DynamoDB typed values)
ConditionExpression string No Condition expression for conditional writes
ExpressionAttributeValues object No Expression attribute values
ExpressionAttributeNames object No Expression attribute names

UpdateItem

Update attributes of an existing item.

{
  "command": "UpdateItem",
  "params": {
    "TableName": "my-table",
    "Key": { "pk": { "S": "user-123" }, "sk": { "S": "profile" } },
    "UpdateExpression": "SET #n = :name, age = :age",
    "ExpressionAttributeNames": { "#n": "name" },
    "ExpressionAttributeValues": { ":name": { "S": "Jane" }, ":age": { "N": "25" } }
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
Key object Yes Primary key map
UpdateExpression string No Update expression (SET, REMOVE, ADD, DELETE)
ConditionExpression string No Condition expression
ExpressionAttributeValues object No Expression attribute values
ExpressionAttributeNames object No Expression attribute names
AttributeUpdates object No Legacy attribute updates map

DeleteItem

Delete an item by primary key.

{
  "command": "DeleteItem",
  "params": {
    "TableName": "my-table",
    "Key": { "pk": { "S": "user-123" }, "sk": { "S": "profile" } }
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Target table name
Key object Yes Primary key map
ConditionExpression string No Condition expression
ExpressionAttributeValues object No Expression attribute values
ExpressionAttributeNames object No Expression attribute names

CreateTable

Create a new DynamoDB table.

{
  "command": "CreateTable",
  "params": {
    "TableName": "new-table",
    "KeySchema": [{ "AttributeName": "pk", "KeyType": "HASH" }, { "AttributeName": "sk", "KeyType": "RANGE" }],
    "AttributeDefinitions": [{ "AttributeName": "pk", "AttributeType": "S" }, { "AttributeName": "sk", "AttributeType": "S" }],
    "BillingMode": "PAY_PER_REQUEST"
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Table name
KeySchema array of objects Yes Key schema definitions (HASH and optional RANGE)
AttributeDefinitions array of objects Yes Attribute definitions (S, N, B)
BillingMode string No PROVISIONED or PAY_PER_REQUEST
ProvisionedThroughput object No Read/write capacity units (required for PROVISIONED)
ExpressionAttributeNames object No Expression attribute names

DeleteTable

Delete a DynamoDB table.

{ "command": "DeleteTable", "params": { "TableName": "old-table" } }

Parameters:

Parameter Type Required Description
TableName string Yes Table name to delete

UpdateTable

Update table settings (billing, GSIs, etc.).

{ "command": "UpdateTable", "params": { "TableName": "my-table", "BillingMode": "PAY_PER_REQUEST" } }

Parameters:

Parameter Type Required Description
TableName string Yes Table name
BillingMode string No PROVISIONED or PAY_PER_REQUEST
ProvisionedThroughput object No Provisioned throughput config
GlobalSecondaryIndexUpdates array of objects No Updates to GSIs

UpdateTimeToLive

Enable or disable TTL on a table.

{
  "command": "UpdateTimeToLive",
  "params": {
    "TableName": "my-table",
    "TimeToLiveSpecification": { "AttributeName": "ttl", "Enabled": true }
  }
}

Parameters:

Parameter Type Required Description
TableName string Yes Table name
TimeToLiveSpecification object Yes TTL specification with AttributeName and Enabled

ListBackups

List DynamoDB table backups.

{ "command": "ListBackups", "params": {} }

Parameters: None required.

ListGlobalTables

List global tables.

{ "command": "ListGlobalTables", "params": {} }

Parameters: None required.

ListTagsOfResource

List tags for a DynamoDB resource.

{ "command": "ListTagsOfResource", "params": { "ResourceArn": "arn:aws:dynamodb:..." } }

Parameters:

Parameter Type Required Description
ResourceArn string Yes Table resource ARN

CreateBackup

Create an on-demand backup.

{ "command": "CreateBackup", "params": { "TableName": "my-table", "BackupName": "daily-2026-02-15" } }

DescribeBackup

Get details of a backup.

{ "command": "DescribeBackup", "params": { "BackupArn": "arn:aws:dynamodb:...:backup/backup-id" } }

DeleteBackup

Delete a backup.

{ "command": "DeleteBackup", "params": { "BackupArn": "arn:aws:dynamodb:...:backup/backup-id" } }

RestoreTableFromBackup

Restore a table from a backup.

{ "command": "RestoreTableFromBackup", "params": { "TargetTableName": "restored-table", "BackupArn": "arn:aws:dynamodb:...:backup/backup-id" } }

CreateGlobalTable

Create a global table.

{ "command": "CreateGlobalTable", "params": { "GlobalTableName": "global-table", "ReplicationGroup": [{ "RegionName": "us-east-1" }, { "RegionName": "us-west-2" }] } }

UpdateGlobalTable

Update a global table replication group.

{ "command": "UpdateGlobalTable", "params": { "GlobalTableName": "global-table", "ReplicaUpdates": [{ "Create": { "RegionName": "eu-west-1" } }] } }

TagResource

Tag a DynamoDB resource.

{ "command": "TagResource", "params": { "ResourceArn": "arn:aws:dynamodb:...", "Tags": [{ "Key": "env", "Value": "prod" }] } }

UntagResource

Remove tags from a DynamoDB resource.

{ "command": "UntagResource", "params": { "ResourceArn": "arn:aws:dynamodb:...", "TagKeys": ["env"] } }

Related Services

  • DynamoDB → Lambda: DynamoDB Streams trigger Lambda functions. Use LambdaTool ListEventSourceMappings to find stream-triggered functions
  • DynamoDB → CloudWatch: DynamoDB metrics (read/write capacity, throttling) are in CloudWatch Metrics
  • DynamoDB → IAM: Table access controlled by IAM policies. Use IAMTool SimulatePrincipalPolicy to test access
  • DynamoDB → CloudFormation: Tables managed by CloudFormation — use CloudFormationTool DescribeStackResources
  • DynamoDB → S3: DynamoDB backups can be exported to S3
Install via CLI
npx skills add https://github.com/necatiarslan/awsflow --skill awsflow-dynamodb
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