diff --git a/packages/daf-graphql/src/client.ts b/packages/daf-graphql/src/client.ts
index d2ba3e66e..551dac306 100644
--- a/packages/daf-graphql/src/client.ts
+++ b/packages/daf-graphql/src/client.ts
@@ -1,12 +1,34 @@
 import 'cross-fetch/polyfill'
-import { IAgentPlugin, IPluginMethodMap } from 'daf-core'
+import { IAgentPlugin, IPluginMethodMap, IAgentPluginSchema } from 'daf-core'
 import { GraphQLClient } from 'graphql-request'
 import { IAgentGraphQLMethod } from './types'
 import { supportedMethods } from './methods'
+import IMessageHandler from 'daf-core/build/schemas/IMessageHandler'
+import IDataStore from 'daf-core/build/schemas/IDataStore'
+import IKeyManager from 'daf-core/build/schemas/IKeyManager'
+import IResolver from 'daf-core/build/schemas/IResolver'
+
+const schema: IAgentPluginSchema = {
+  components: {
+    schemas: {
+      ...IMessageHandler.components.schemas,
+      ...IDataStore.components.schemas,
+      ...IKeyManager.components.schemas,
+      ...IResolver.components.schemas,
+    },
+    methods: {
+      ...IMessageHandler.components.methods,
+      ...IDataStore.components.methods,
+      ...IKeyManager.components.methods,
+      ...IResolver.components.methods,
+    },
+  }
+}
 
 export class AgentGraphQLClient implements IAgentPlugin {
   private client: GraphQLClient
   readonly methods: IPluginMethodMap = {}
+  readonly schema = schema
 
   constructor(options: {
     url: string
diff --git a/packages/daf-message-handler/src/message-handler.ts b/packages/daf-message-handler/src/message-handler.ts
index 02b167d25..55d002b15 100644
--- a/packages/daf-message-handler/src/message-handler.ts
+++ b/packages/daf-message-handler/src/message-handler.ts
@@ -2,6 +2,7 @@ import { EventEmitter } from 'events'
 import { IDataStore, IAgentPlugin, IAgentContext, IMessageHandler, IHandleMessageArgs } from 'daf-core'
 import { Message } from './message'
 import { AbstractMessageHandler } from './abstract-message-handler'
+import schema from 'daf-core/build/schemas/IMessageHandler'
 
 import Debug from 'debug'
 const debug = Debug('daf:message-handler')
@@ -21,6 +22,7 @@ export class MessageHandler extends EventEmitter implements IAgentPlugin {
    * @public
    */
   readonly methods: IMessageHandler
+  readonly schema = schema
   private messageHandler?: AbstractMessageHandler
 
   constructor(options: { messageHandlers: AbstractMessageHandler[] }) {
diff --git a/packages/daf-rest/src/client.ts b/packages/daf-rest/src/client.ts
index 22591c2db..530dd8faf 100644
--- a/packages/daf-rest/src/client.ts
+++ b/packages/daf-rest/src/client.ts
@@ -1,9 +1,32 @@
 import 'cross-fetch/polyfill'
-import { IAgentPlugin, IPluginMethodMap } from 'daf-core'
+import { IAgentPlugin, IPluginMethodMap, IAgentPluginSchema } from 'daf-core'
 import { supportedMethods } from './index'
+import IMessageHandler from 'daf-core/build/schemas/IMessageHandler'
+import IDataStore from 'daf-core/build/schemas/IDataStore'
+import IKeyManager from 'daf-core/build/schemas/IKeyManager'
+import IResolver from 'daf-core/build/schemas/IResolver'
+
+const schema: IAgentPluginSchema = {
+  components: {
+    schemas: {
+      ...IMessageHandler.components.schemas,
+      ...IDataStore.components.schemas,
+      ...IKeyManager.components.schemas,
+      ...IResolver.components.schemas,
+    },
+    methods: {
+      ...IMessageHandler.components.methods,
+      ...IDataStore.components.methods,
+      ...IKeyManager.components.methods,
+      ...IResolver.components.methods,
+    },
+  }
+}
+
 
 export class AgentRestClient implements IAgentPlugin {
   readonly methods: IPluginMethodMap = {}
+  readonly schema = schema
   private url: string
 
   constructor(options: {