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Ecs API Reference by tomevault-io — Agent Skill

Name: Ecs API Reference
Author: tomevault-io

Ecs API Reference

Amazon ECS API specification reference. Use when implementing ECS-compatible APIs in KECS to accurately reproduce request/response structures, parameters, error codes, and behaviors. Reference for implementing APIs like CreateCluster, CreateService, RunTask, RegisterTaskDefinition. Use when this capability is needed.

tomevault-io Updated Sep 17, 2026

File contents

Amazon ECS API Reference for KECS

Reference skill for implementing ECS-compatible APIs in KECS.

Overview

This skill provides detailed specifications for the following ECS API categories:

Cluster API - Cluster management (cluster-api.md)
Service API - Service management (service-api.md)
Task API - Task execution and management (task-api.md)
Task Definition API - Task definition management (task-definition-api.md)
Other APIs - Tags, TaskSets, Attributes, Account Settings, etc. (other-apis.md)

Use Cases

Implementing new ECS API endpoints
Verifying request/response structures of existing APIs
Aligning error codes and behaviors with AWS ECS
Writing API compatibility tests

Common API Specifications

HTTP Request Format

POST / HTTP/1.1
Host: ecs.{region}.amazonaws.com
Content-Type: application/x-amz-json-1.1
X-Amz-Target: AmazonEC2ContainerServiceV20141113.{ActionName}

Common Error Codes

Error	HTTP	Description
ClientException	400	Client-side error (insufficient permissions, invalid ID, etc.)
InvalidParameterException	400	Invalid parameter
ServerException	500	Server error
ClusterNotFoundException	400	Cluster not found
ServiceNotFoundException	400	Service not found

Tag Limits

Maximum 50 tags per resource
Key length: Maximum 128 characters (UTF-8)
Value length: Maximum 256 characters (UTF-8)
aws: prefix is reserved (cannot edit or delete)

Pagination

maxResults: 1-100 (default 10 or 100 depending on API)
nextToken: Opaque continuation token

ARN Format

arn:aws:ecs:{region}:{account}:{resource-type}/{resource-id}

Resource types: cluster, service, task, task-definition, container-instance, capacity-provider, task-set

Detailed Specifications

Refer to the following support files for detailed API specifications:

cluster-api.md - CreateCluster, DescribeClusters, ListClusters, DeleteCluster, UpdateCluster
service-api.md - CreateService, DescribeServices, UpdateService, DeleteService, ListServices
task-api.md - RunTask, StopTask, DescribeTasks, ListTasks, ExecuteCommand
task-definition-api.md - RegisterTaskDefinition, DeregisterTaskDefinition, DescribeTaskDefinition, ListTaskDefinitions
other-apis.md - TagResource, ListTagsForResource, CreateTaskSet, PutAttributes, PutAccountSetting, etc.

Converted and distributed by TomeVault — claim your Tome and manage your conversions.

---name: ecs-api-referencedescription: Amazon ECS API specification reference. Use when implementing ECS-compatible APIs in KECS to accurately reproduce request/response structures, parameters, error codes, and behaviors. Reference for implementing APIs like CreateCluster, CreateService, RunTask, RegisterTaskDefinition. Use when this capability is needed.---# Amazon ECS API Reference for KECSReference skill for implementing ECS-compatible APIs in KECS.## OverviewThis skill provides detailed specifications for the following ECS API categories:1. **Cluster API** - Cluster management (`cluster-api.md`)2. **Service API** - Service management (`service-api.md`)3. **Task API** - Task execution and management (`task-api.md`)4. **Task Definition API** - Task definition management (`task-definition-api.md`)5. **Other APIs** - Tags, TaskSets, Attributes, Account Settings, etc. (`other-apis.md`)## Use Cases- Implementing new ECS API endpoints- Verifying request/response structures of existing APIs- Aligning error codes and behaviors with AWS ECS- Writing API compatibility tests## Common API Specifications### HTTP Request Format```POST / HTTP/1.1Host: ecs.{region}.amazonaws.comContent-Type: application/x-amz-json-1.1X-Amz-Target: AmazonEC2ContainerServiceV20141113.{ActionName}```### Common Error Codes| Error | HTTP | Description ||-------|------|-------------|| ClientException | 400 | Client-side error (insufficient permissions, invalid ID, etc.) || InvalidParameterException | 400 | Invalid parameter || ServerException | 500 | Server error || ClusterNotFoundException | 400 | Cluster not found || ServiceNotFoundException | 400 | Service not found |### Tag Limits- Maximum 50 tags per resource- Key length: Maximum 128 characters (UTF-8)- Value length: Maximum 256 characters (UTF-8)- `aws:` prefix is reserved (cannot edit or delete)### Pagination- maxResults: 1-100 (default 10 or 100 depending on API)- nextToken: Opaque continuation token### ARN Format```arn:aws:ecs:{region}:{account}:{resource-type}/{resource-id}```Resource types: cluster, service, task, task-definition, container-instance, capacity-provider, task-set## Detailed SpecificationsRefer to the following support files for detailed API specifications:- `cluster-api.md` - CreateCluster, DescribeClusters, ListClusters, DeleteCluster, UpdateCluster- `service-api.md` - CreateService, DescribeServices, UpdateService, DeleteService, ListServices- `task-api.md` - RunTask, StopTask, DescribeTasks, ListTasks, ExecuteCommand- `task-definition-api.md` - RegisterTaskDefinition, DeregisterTaskDefinition, DescribeTaskDefinition, ListTaskDefinitions- `other-apis.md` - TagResource, ListTagsForResource, CreateTaskSet, PutAttributes, PutAccountSetting, etc.---> Converted and distributed by [TomeVault](https://tomevault.io/claim/nandemo-ya) — claim your Tome and manage your conversions.

Frequently asked questions