diff --git a/frontend/src/client/schemas.gen.ts b/frontend/src/client/schemas.gen.ts
index e4df5b8..44b3f82 100644
--- a/frontend/src/client/schemas.gen.ts
+++ b/frontend/src/client/schemas.gen.ts
@@ -292,6 +292,23 @@ export const HTTPValidationErrorSchema = {
     title: 'HTTPValidationError'
 } as const;
 
+export const HistoryPointSchema = {
+    properties: {
+        ts: {
+            type: 'number',
+            title: 'Ts'
+        },
+        value: {
+            type: 'number',
+            title: 'Value'
+        }
+    },
+    type: 'object',
+    required: ['ts', 'value'],
+    title: 'HistoryPoint',
+    description: 'One numeric value a message carried, and when.'
+} as const;
+
 export const MessageSchema = {
     properties: {
         message: {
@@ -304,6 +321,34 @@ export const MessageSchema = {
     title: 'Message'
 } as const;
 
+export const MessageHistorySchema = {
+    properties: {
+        message: {
+            type: 'string',
+            title: 'Message'
+        },
+        numeric: {
+            type: 'boolean',
+            title: 'Numeric',
+            default: false
+        },
+        points: {
+            items: {
+                '$ref': '#/components/schemas/HistoryPoint'
+            },
+            type: 'array',
+            title: 'Points'
+        }
+    },
+    type: 'object',
+    required: ['message'],
+    title: 'MessageHistory',
+    description: `A message's recent numeric values, oldest first.
+
+Only numbers are recorded, so \`\`numeric\`\` tells the panel whether an empty
+series means "nothing plottable here" or "nothing has arrived yet".`
+} as const;
+
 export const MessageSpecSchema = {
     properties: {
         name: {
diff --git a/frontend/src/client/sdk.gen.ts b/frontend/src/client/sdk.gen.ts
index 3333676..4903d7d 100644
--- a/frontend/src/client/sdk.gen.ts
+++ b/frontend/src/client/sdk.gen.ts
@@ -3,7 +3,7 @@
 import type { CancelablePromise } from './core/CancelablePromise';
 import { OpenAPI } from './core/OpenAPI';
 import { request as __request } from './core/request';
-import type { FlowsReadFlowsResponse, FlowsReadNodeTypesResponse, FlowsReadFlowData, FlowsReadFlowResponse, FlowsSaveFlowData, FlowsSaveFlowResponse, FlowsDeleteFlowData, FlowsDeleteFlowResponse, FlowsRenameFlowData, FlowsRenameFlowResponse, FlowsReadNodeSourceData, FlowsReadNodeSourceResponse, FlowsSaveNodeSourceData, FlowsSaveNodeSourceResponse, FlowsValidateFlowData, FlowsValidateFlowResponse, FlowsRunFlowData, FlowsRunFlowResponse, FlowsTriggerNodeData, FlowsTriggerNodeResponse, FlowsReadFlowStateData, FlowsReadFlowStateResponse, LoginLoginAccessTokenData, LoginLoginAccessTokenResponse, LoginTestTokenResponse, LoginRecoverPasswordData, LoginRecoverPasswordResponse, LoginResetPasswordData, LoginResetPasswordResponse, LoginRecoverPasswordHtmlContentData, LoginRecoverPasswordHtmlContentResponse, PrivateCreateUserData, PrivateCreateUserResponse, SecretsReadSecretsResponse, SecretsSaveSecretData, SecretsSaveSecretResponse, SecretsDeleteSecretData, SecretsDeleteSecretResponse, UsersReadUsersData, UsersReadUsersResponse, UsersCreateUserData, UsersCreateUserResponse, UsersReadUserMeResponse, UsersDeleteUserMeResponse, UsersUpdateUserMeData, UsersUpdateUserMeResponse, UsersUpdatePasswordMeData, UsersUpdatePasswordMeResponse, UsersRegisterUserData, UsersRegisterUserResponse, UsersReadUserByIdData, UsersReadUserByIdResponse, UsersUpdateUserData, UsersUpdateUserResponse, UsersDeleteUserData, UsersDeleteUserResponse, UtilsTestEmailData, UtilsTestEmailResponse, UtilsHealthCheckResponse } from './types.gen';
+import type { FlowsReadFlowsResponse, FlowsReadNodeTypesResponse, FlowsReadFlowData, FlowsReadFlowResponse, FlowsSaveFlowData, FlowsSaveFlowResponse, FlowsDeleteFlowData, FlowsDeleteFlowResponse, FlowsRenameFlowData, FlowsRenameFlowResponse, FlowsReadNodeSourceData, FlowsReadNodeSourceResponse, FlowsSaveNodeSourceData, FlowsSaveNodeSourceResponse, FlowsValidateFlowData, FlowsValidateFlowResponse, FlowsRunFlowData, FlowsRunFlowResponse, FlowsTriggerNodeData, FlowsTriggerNodeResponse, FlowsReadFlowStateData, FlowsReadFlowStateResponse, FlowsReadMessageHistoryData, FlowsReadMessageHistoryResponse, LoginLoginAccessTokenData, LoginLoginAccessTokenResponse, LoginTestTokenResponse, LoginRecoverPasswordData, LoginRecoverPasswordResponse, LoginResetPasswordData, LoginResetPasswordResponse, LoginRecoverPasswordHtmlContentData, LoginRecoverPasswordHtmlContentResponse, PrivateCreateUserData, PrivateCreateUserResponse, SecretsReadSecretsResponse, SecretsSaveSecretData, SecretsSaveSecretResponse, SecretsDeleteSecretData, SecretsDeleteSecretResponse, UsersReadUsersData, UsersReadUsersResponse, UsersCreateUserData, UsersCreateUserResponse, UsersReadUserMeResponse, UsersDeleteUserMeResponse, UsersUpdateUserMeData, UsersUpdateUserMeResponse, UsersUpdatePasswordMeData, UsersUpdatePasswordMeResponse, UsersRegisterUserData, UsersRegisterUserResponse, UsersReadUserByIdData, UsersReadUserByIdResponse, UsersUpdateUserData, UsersUpdateUserResponse, UsersDeleteUserData, UsersDeleteUserResponse, UtilsTestEmailData, UtilsTestEmailResponse, UtilsHealthCheckResponse } from './types.gen';
 
 export class FlowsService {
     /**
@@ -262,6 +262,32 @@ export class FlowsService {
             }
         });
     }
+    
+    /**
+     * Read Message History
+     * The recent values of one message, for plotting.
+     *
+     * ``message`` may be given bare or qualified; a message that never carried a
+     * number comes back with an empty series.
+     * @param data The data for the request.
+     * @param data.name
+     * @param data.message
+     * @returns MessageHistory Successful Response
+     * @throws ApiError
+     */
+    public static readMessageHistory(data: FlowsReadMessageHistoryData): CancelablePromise<FlowsReadMessageHistoryResponse> {
+        return __request(OpenAPI, {
+            method: 'GET',
+            url: '/api/v1/flows/{name}/history/{message}',
+            path: {
+                name: data.name,
+                message: data.message
+            },
+            errors: {
+                422: 'Validation Error'
+            }
+        });
+    }
 }
 
 export class LoginService {
diff --git a/frontend/src/client/types.gen.ts b/frontend/src/client/types.gen.ts
index f011a42..c54ee5c 100644
--- a/frontend/src/client/types.gen.ts
+++ b/frontend/src/client/types.gen.ts
@@ -83,6 +83,14 @@ export type FlowSummary = {
     error_count?: number;
 };
 
+/**
+ * One numeric value a message carried, and when.
+ */
+export type HistoryPoint = {
+    ts: number;
+    value: number;
+};
+
 export type HTTPValidationError = {
     detail?: Array<ValidationError>;
 };
@@ -91,6 +99,18 @@ export type Message = {
     message: string;
 };
 
+/**
+ * A message's recent numeric values, oldest first.
+ *
+ * Only numbers are recorded, so ``numeric`` tells the panel whether an empty
+ * series means "nothing plottable here" or "nothing has arrived yet".
+ */
+export type MessageHistory = {
+    message: string;
+    numeric?: boolean;
+    points?: Array<HistoryPoint>;
+};
+
 /**
  * A single port of a node, and the message it is bound to.
  *
@@ -366,6 +386,13 @@ export type FlowsReadFlowStateData = {
 
 export type FlowsReadFlowStateResponse = (FlowStatePublic);
 
+export type FlowsReadMessageHistoryData = {
+    message: string;
+    name: string;
+};
+
+export type FlowsReadMessageHistoryResponse = (MessageHistory);
+
 export type LoginLoginAccessTokenData = {
     formData: Body_login_login_access_token;
 };