Overcast is alpha — behaviour and APIs may change between releases. Pin your version and read the changelog before upgrading.

overcast

Step Functions operations

Every Step Functions operation Overcast declares — 15 of 15 implemented — with status, behaviour notes and a link to the AWS API reference for each.

All 15 listed operations are implemented. Back to Step Functions.

Summary

Category✅ Supported
State machines6
Executions6
Tags3

Endpoints

State machines

OperationStatusNotesAWS Docs
CreateStateMachine✅ SupportedValidates the ASL; idempotent — returns existing if name+def matchdocs
DescribeStateMachine✅ Supporteddocs
ListStateMachines✅ Supporteddocs
DeleteStateMachine✅ Supporteddocs
UpdateStateMachine✅ SupportedDefinition/roleArn/loggingConfiguration/tracingConfiguration; no versioning (publish)docs
DescribeStateMachineForExecution✅ Supporteddocs

Executions

OperationStatusNotesAWS Docs
StartExecution✅ SupportedInterprets the ASL; returns while the execution is RUNNING, as AWS does; a standard workflow’s RUNNING and terminal status transitions each emit a Step Functions Execution Status Change event to the default EventBridge busdocs
StartSyncExecution✅ SupportedEXPRESS only — same interpreter, run to completion before returning; EXPRESS executions do not emit EventBridge events, matching AWSdocs
DescribeExecution✅ SupportedReal status, output, error and causedocs
ListExecutions✅ SupportedstatusFilter (validated against the ExecutionStatus enum) and maxResults honoured; no pagination tokendocs
GetExecutionHistory✅ SupportedReal state-transition events in AWS’s vocabulary; readable while RUNNINGdocs
StopExecution✅ SupportedInterrupts a running execution; it reaches ABORTED asynchronously; a standard workflow’s ABORTED transition emits a Step Functions Execution Status Change event to the default EventBridge busdocs

Tags

OperationStatusNotesAWS Docs
TagResource✅ Supporteddocs
UntagResource✅ Supporteddocs
ListTagsForResource✅ Supporteddocs