diff --git a/.github/workflows/sync_tpen_shared_openapi.yaml b/.github/workflows/sync_tpen_shared_openapi.yaml
new file mode 100644
index 00000000..79d0e3b8
--- /dev/null
+++ b/.github/workflows/sync_tpen_shared_openapi.yaml
@@ -0,0 +1,54 @@
+name: Sync TPEN-services shared OpenAPI artifact
+
+on:
+  push:
+    branches:
+      - development
+    paths:
+      - openapi/components/tpen-services-shared-components.openapi.yaml
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  sync:
+    name: Sync TPEN-services shared OpenAPI artifact
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout TPEN-services
+        uses: actions/checkout@v4
+
+      - name: Checkout receiver repository
+        uses: actions/checkout@v4
+        with:
+          repository: cubap/rerum_openapi
+          ref: main
+          token: ${{ secrets.OPENAPI }}
+          path: receiver
+
+      # No `test -f` guard: the receiver target may not exist on the first
+      # sync; cp creates it. Once the receiver registry references this file,
+      # add `test -f receiver/schemas/openapi/tpen-services-shared-components.openapi.yaml`
+      # to catch retargeted copies.
+
+      - name: Copy canonical shared artifact
+        run: cp openapi/components/tpen-services-shared-components.openapi.yaml receiver/schemas/openapi/tpen-services-shared-components.openapi.yaml
+
+      - name: Create or update sync pull request
+        uses: peter-evans/create-pull-request@v8
+        with:
+          token: ${{ secrets.OPENAPI }}
+          path: receiver
+          add-paths: schemas/openapi/tpen-services-shared-components.openapi.yaml
+          commit-message: "chore: sync TPEN-services shared OpenAPI artifact"
+          branch: sync/tpen-services-shared-openapi
+          base: main
+          delete-branch: true
+          title: "chore: sync TPEN-services shared OpenAPI artifact"
+          body: |
+            Syncs the canonical TPEN-services shared OpenAPI artifact from CenterForDigitalHumanities/TPEN-services.
+
+            - Source commit: ${{ github.sha }}
+            - Source artifact: `openapi/components/tpen-services-shared-components.openapi.yaml`
+            - Target artifact: `schemas/openapi/tpen-services-shared-components.openapi.yaml`
diff --git a/__tests__/mount.test.js b/__tests__/mount.test.js
index 38dde54d..eb5b6051 100644
--- a/__tests__/mount.test.js
+++ b/__tests__/mount.test.js
@@ -343,4 +343,10 @@ describe('Check to see that critical repo files are present #exists_unit', () =>
     expect(fs.existsSync(filePath+".gitignore")).toBeTruthy()
     expect(fs.existsSync(filePath+"package.json")).toBeTruthy()
   })
+
+  it('shared OpenAPI sync files', () => {
+    const filePath = './'
+    expect(fs.existsSync(filePath+"openapi/components/tpen-services-shared-components.openapi.yaml")).toBeTruthy()
+    expect(fs.existsSync(filePath+".github/workflows/sync_tpen_shared_openapi.yaml")).toBeTruthy()
+  })
 })
diff --git a/__tests__/openapi_sync_artifacts.test.js b/__tests__/openapi_sync_artifacts.test.js
new file mode 100644
index 00000000..777aaf94
--- /dev/null
+++ b/__tests__/openapi_sync_artifacts.test.js
@@ -0,0 +1,30 @@
+import fs from "fs"
+import path from "path"
+import { fileURLToPath } from "url"
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const repoRoot = path.resolve(__dirname, "..")
+
+describe("Shared OpenAPI artifact sync scaffolding #exists_unit", () => {
+  it("verifies provider artifact has expected OpenAPI baseline fields", () => {
+    const providerArtifactPath = path.join(repoRoot, "openapi/components/tpen-services-shared-components.openapi.yaml")
+    const providerArtifact = fs.readFileSync(providerArtifactPath, "utf8")
+
+    expect(providerArtifact).toContain("openapi: 3.0.3")
+    expect(providerArtifact).toContain("title: TPEN Services Shared OpenAPI Components")
+    expect(providerArtifact).toContain("version: 0.1.0")
+    expect(providerArtifact).toContain("components:")
+    expect(providerArtifact).toContain("schemas: {}")
+  })
+
+  it("verifies the shared artifact sync workflow configuration", () => {
+    const workflowPath = path.join(repoRoot, ".github/workflows/sync_tpen_shared_openapi.yaml")
+    const workflow = fs.readFileSync(workflowPath, "utf8")
+
+    expect(workflow).toContain("openapi/components/tpen-services-shared-components.openapi.yaml")
+    expect(workflow).toContain("repository: cubap/rerum_openapi")
+    expect(workflow).toContain("schemas/openapi/tpen-services-shared-components.openapi.yaml")
+    expect(workflow).toContain("secrets.OPENAPI")
+  })
+})
diff --git a/classes/Tools/Tools.js b/classes/Tools/Tools.js
index a1d935bc..199b583c 100644
--- a/classes/Tools/Tools.js
+++ b/classes/Tools/Tools.js
@@ -214,11 +214,11 @@ export default class Tools {
         {
             "label": "History Tool",
             "toolName": "history",
-            "custom": { 
-                "enabled": true, 
+            "custom": {
+                "enabled": true,
                 "tagName": "tpen-line-history"
             },
-            "url": "https://app.t-pen.org/components/line-history/index.js",
+            "url": "https://centerfordigitalhumanities.github.io/tpen-line-history/tpen-line-history.js",
             "location": "pane"
         },
         {
diff --git a/openapi/components/tpen-services-shared-components.openapi.yaml b/openapi/components/tpen-services-shared-components.openapi.yaml
new file mode 100644
index 00000000..c11dea10
--- /dev/null
+++ b/openapi/components/tpen-services-shared-components.openapi.yaml
@@ -0,0 +1,13 @@
+openapi: 3.0.3
+info:
+  title: TPEN Services Shared OpenAPI Components
+  version: 0.1.0
+  description: Shared reusable OpenAPI components for TPEN services contracts.
+externalDocs:
+  description: TPEN-services API reference
+  url: https://api.t-pen.org/API.html
+x-upstream-provider:
+  name: TPEN-services
+  baseUrl: https://api.t-pen.org
+components:
+  schemas: {}