Community extensions - Loopback Next

In addition to the extensions that LoopBack provides and maintains, there are a number of extensions created by the open source community.

To create a LoopBack extension, see Extending LoopBack 4 documentation page for details. It is recommended to use the extension generator to scaffold a new extension.

The following table lists some of the community extensions. See npmjs.org for a complete list.

{% include warning.html content="The extensions listed here are not supported by the LoopBack team; they are maintained by the LoopBack community and are listed here for convenience."%}

General

<table> <thead> <tr> <th width="160">Extension</th> <th width="280">Description</th> </tr> </thead> <tbody> <tr> <td><a href="https://www.npmjs.com/package/loopback4-soft-delete">loopback4-soft-delete</a></td> <td>Adds soft-delete feature to your models and repositories</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-helmet">loopback4-helmet</a></td> <td>Integrate <a href="https://helmetjs.github.io/">helmetjs</a> in LoopBack applications</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-ratelimiter">loopback4-ratelimiter</a></td> <td>Provide rate limiting in LoopBack applications</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-notifications">loopback4-notifications</a></td> <td>Add different notification mechanisms vis-à-vis, Push, SMS, Email, to any LoopBack 4 based REST API application or microservice</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-s3">loopback4-s3</a></td> <td>Integrate AWS S3 in LoopBack applications</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback-component-history">loopback-component-history</a></td> <td>Soft create, edit, delete models, saving history of changes</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback-component-filter">loopback-component-filter</a></td> <td>Filter models in repository layer, using an async function</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/@sourceloop/vault">@sourceloop/vault</a></td> <td>HashiCorp's Vault integration in loopback applications</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/@sourceloop/audit-log">@sourceloop/audit-log</a></td> <td>Implement audit logs in loopback applications for all DB transactions</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback-rabbitmq">loopback-rabbitmq</a></td> <td>An Rabbitmq extension that implements Queue consumers and producers</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-dynamic-datasource">loopback4-dynamic-datasource</a></td> <td>Connect data sources dynamically during runtime</td> </tr> <tr> <td><a href="https://npmjs.com/package/loopback4-kafka-client">loopback4-kafka-client</a></td> <td>Kafka Client built on top of KafkaJs</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-mcp">loopback4-mcp</a></td> <td>An extension that helps MCPTool to discover APIs and services</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/lb4-llm-chat-component">lb4-llm-chat-component</a></td> <td>Helps integrate Langgraph.js based endpoint in your application</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-message-bus-connector"></a></td> <td>Extension to add message queue and event based communication to your application</td> </tr> </tbody> </table> <table> <thead> <tr> <th width="160">Extension</th> <th width="280">Description</th> </tr> </thead> <tbody> <tr> <td><a href="https://www.npmjs.com/package/loopback4-authentication">loopback4-authentication</a></td> <td>Provide support for five passport based strategies</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback4-authorization">loopback4-authorization</a></td> <td>Implement authorization using simple string based permissions</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback-component-crud">loopback-component-crud</a></td> <td>Generic CRUD controller mixin, supports authentication, nested authorization(cascade)</td> </tr> <tr> <td><a href="https://www.npmjs.com/package/loopback-component-authorization">loopback-component-authorization</a></td> <td>Implement HRBAC authorization</td> </tr> </tbody> <table>