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AWS DynamoDB

by Amazon Web Services

Connect agents to AWS DynamoDB to read, write, query, and scan items in NoSQL tables.

DatabasesPaidAPI keynosqldatabaseawskey-valueserverlesscloud

How agents use AWS DynamoDB

  • Store and retrieve agent workflow state across executions
  • Write processed events or results to DynamoDB as a fast lookup store
  • Query records by partition key for targeted data retrieval
  • Maintain counters and aggregates with atomic update expressions
  • Cache external API results with TTL-based expiry

Agent actions

Get ItemRetrieve a single item from a DynamoDB table by its primary key

Inputs: tableName, key

Returns: item, found

Put ItemCreate or fully replace an item in a DynamoDB table

Inputs: tableName, item, conditionExpression

Returns: success

Update ItemUpdate specific attributes on an existing item

Inputs: tableName, key, updateExpression, expressionAttributeValues, expressionAttributeNames

Returns: item, success

Delete ItemDelete an item from a DynamoDB table by its primary key

Inputs: tableName, key

Returns: success

QueryQuery items by partition key with optional sort key conditions and filters

Inputs: tableName, keyConditionExpression, expressionAttributeValues, filterExpression, indexName, limit, scanIndexForward

Returns: items, count, lastEvaluatedKey

Scan TableScan an entire table or index with optional filter expression

Inputs: tableName, filterExpression, expressionAttributeValues, limit

Returns: items, count, scannedCount

Example workflows

1

Session management

Agent reads and writes user session state to DynamoDB for stateful workflows

2

Event log storage

Agent writes workflow events to a DynamoDB table for audit and replay

About AWS DynamoDB

Vendor
Amazon Web Services
Pricing Always review details with the vendor
PaidOn-demand: ~$1.25/million writes, $0.25/million reads. Provisioned: per RCU/WCU hour. 25 GB free tier storage.
Authentication
API key
Rate limit Always review details with the vendor
3000 requests / minute
Compatible nodes
AgentResourceInputOutput

Build an AI workflow with AWS DynamoDB

Use the Agentic Planner to design, visualize, and connect AWS DynamoDB with your other tools.

Open Agentic Planner

Related Databases tools

AWS DynamoDB AI Agent Integration | Fugentic