diff --git a/extensions/ql-vscode/src/variant-analysis/store/repo-task-data-types.ts b/extensions/ql-vscode/src/variant-analysis/store/repo-task-data-types.ts
new file mode 100644
index 000000000..22dbef63b
--- /dev/null
+++ b/extensions/ql-vscode/src/variant-analysis/store/repo-task-data-types.ts
@@ -0,0 +1,25 @@
+export interface VariantAnalysisRepositoryTaskData {
+  repository: RepositoryData;
+  analysisStatus: VariantAnalysisRepoStatusData;
+  resultCount?: number;
+  artifactSizeInBytes?: number;
+  failureMessage?: string;
+  databaseCommitSha?: string;
+  sourceLocationPrefix?: string;
+  artifactUrl?: string;
+}
+
+interface RepositoryData {
+  id: number;
+  fullName: string;
+  private: boolean;
+}
+
+export enum VariantAnalysisRepoStatusData {
+  Pending = "pending",
+  InProgress = "inProgress",
+  Succeeded = "succeeded",
+  Failed = "failed",
+  Canceled = "canceled",
+  TimedOut = "timedOut",
+}
diff --git a/extensions/ql-vscode/src/variant-analysis/store/repo-task-store.ts b/extensions/ql-vscode/src/variant-analysis/store/repo-task-store.ts
index 8baab2cb8..9121164ca 100644
--- a/extensions/ql-vscode/src/variant-analysis/store/repo-task-store.ts
+++ b/extensions/ql-vscode/src/variant-analysis/store/repo-task-store.ts
@@ -1,18 +1,27 @@
 import { outputJson, readJson } from "fs-extra";
 import { join } from "path";
 import { VariantAnalysisRepositoryTask } from "../shared/variant-analysis";
+import { mapRepoTaskToData } from "./repo-task-to-data-mapper";
+import { mapRepoTaskToDomain } from "./repo-task-to-domain-mapper";
 
 export const REPO_TASK_FILENAME = "repo_task.json";
 
-export function writeRepoTask(
+export async function writeRepoTask(
   storageDirectory: string,
   repoTask: VariantAnalysisRepositoryTask,
 ): Promise<void> {
-  return outputJson(join(storageDirectory, REPO_TASK_FILENAME), repoTask);
+  const repoTaskData = mapRepoTaskToData(repoTask);
+  return await outputJson(
+    join(storageDirectory, REPO_TASK_FILENAME),
+    repoTaskData,
+  );
 }
 
-export function readRepoTask(
+export async function readRepoTask(
   storageDirectory: string,
 ): Promise<VariantAnalysisRepositoryTask> {
-  return readJson(join(storageDirectory, REPO_TASK_FILENAME));
+  const repoTaskData = await readJson(
+    join(storageDirectory, REPO_TASK_FILENAME),
+  );
+  return mapRepoTaskToDomain(repoTaskData);
 }
diff --git a/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-data-mapper.ts b/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-data-mapper.ts
new file mode 100644
index 000000000..1fc3a1a7b
--- /dev/null
+++ b/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-data-mapper.ts
@@ -0,0 +1,49 @@
+import { assertNever } from "../../pure/helpers-pure";
+import {
+  VariantAnalysisRepositoryTask,
+  VariantAnalysisRepoStatus,
+} from "../shared/variant-analysis";
+import {
+  VariantAnalysisRepositoryTaskData,
+  VariantAnalysisRepoStatusData,
+} from "./repo-task-data-types";
+
+export function mapRepoTaskToData(
+  repoTask: VariantAnalysisRepositoryTask,
+): VariantAnalysisRepositoryTaskData {
+  return {
+    repository: {
+      id: repoTask.repository.id,
+      fullName: repoTask.repository.fullName,
+      private: repoTask.repository.private,
+    },
+    analysisStatus: mapRepoTaskAnalysisStatusToData(repoTask.analysisStatus),
+    resultCount: repoTask.resultCount,
+    artifactSizeInBytes: repoTask.artifactSizeInBytes,
+    failureMessage: repoTask.failureMessage,
+    databaseCommitSha: repoTask.databaseCommitSha,
+    sourceLocationPrefix: repoTask.sourceLocationPrefix,
+    artifactUrl: repoTask.artifactUrl,
+  };
+}
+
+function mapRepoTaskAnalysisStatusToData(
+  analysisStatus: VariantAnalysisRepoStatus,
+): VariantAnalysisRepoStatusData {
+  switch (analysisStatus) {
+    case VariantAnalysisRepoStatus.Pending:
+      return VariantAnalysisRepoStatusData.Pending;
+    case VariantAnalysisRepoStatus.InProgress:
+      return VariantAnalysisRepoStatusData.InProgress;
+    case VariantAnalysisRepoStatus.Succeeded:
+      return VariantAnalysisRepoStatusData.Succeeded;
+    case VariantAnalysisRepoStatus.Failed:
+      return VariantAnalysisRepoStatusData.Failed;
+    case VariantAnalysisRepoStatus.Canceled:
+      return VariantAnalysisRepoStatusData.Canceled;
+    case VariantAnalysisRepoStatus.TimedOut:
+      return VariantAnalysisRepoStatusData.TimedOut;
+    default:
+      assertNever(analysisStatus);
+  }
+}
diff --git a/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-domain-mapper.ts b/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-domain-mapper.ts
new file mode 100644
index 000000000..341eaba8a
--- /dev/null
+++ b/extensions/ql-vscode/src/variant-analysis/store/repo-task-to-domain-mapper.ts
@@ -0,0 +1,49 @@
+import { assertNever } from "../../pure/helpers-pure";
+import {
+  VariantAnalysisRepositoryTask,
+  VariantAnalysisRepoStatus,
+} from "../shared/variant-analysis";
+import {
+  VariantAnalysisRepositoryTaskData,
+  VariantAnalysisRepoStatusData,
+} from "./repo-task-data-types";
+
+export function mapRepoTaskToDomain(
+  repoTask: VariantAnalysisRepositoryTaskData,
+): VariantAnalysisRepositoryTask {
+  return {
+    repository: {
+      id: repoTask.repository.id,
+      fullName: repoTask.repository.fullName,
+      private: repoTask.repository.private,
+    },
+    analysisStatus: mapRepoTaskAnalysisStatusToDomain(repoTask.analysisStatus),
+    resultCount: repoTask.resultCount,
+    artifactSizeInBytes: repoTask.artifactSizeInBytes,
+    failureMessage: repoTask.failureMessage,
+    databaseCommitSha: repoTask.databaseCommitSha,
+    sourceLocationPrefix: repoTask.sourceLocationPrefix,
+    artifactUrl: repoTask.artifactUrl,
+  };
+}
+
+function mapRepoTaskAnalysisStatusToDomain(
+  analysisStatus: VariantAnalysisRepoStatusData,
+): VariantAnalysisRepoStatus {
+  switch (analysisStatus) {
+    case VariantAnalysisRepoStatusData.Pending:
+      return VariantAnalysisRepoStatus.Pending;
+    case VariantAnalysisRepoStatusData.InProgress:
+      return VariantAnalysisRepoStatus.InProgress;
+    case VariantAnalysisRepoStatusData.Succeeded:
+      return VariantAnalysisRepoStatus.Succeeded;
+    case VariantAnalysisRepoStatusData.Failed:
+      return VariantAnalysisRepoStatus.Failed;
+    case VariantAnalysisRepoStatusData.Canceled:
+      return VariantAnalysisRepoStatus.Canceled;
+    case VariantAnalysisRepoStatusData.TimedOut:
+      return VariantAnalysisRepoStatus.TimedOut;
+    default:
+      assertNever(analysisStatus);
+  }
+}