diff --git a/.github/workflows/jsr.yml b/.github/workflows/jsr.yml
new file mode 100644
index 0000000..f17dc76
--- /dev/null
+++ b/.github/workflows/jsr.yml
@@ -0,0 +1,24 @@
+name: jsr
+
+# publishes the TypeScript sources to JSR (@matmen/imagescript), authenticated through GitHub OIDC (the package is
+# linked to this repository on jsr.io). release.yml runs it after npm; can also be run by hand from the Actions tab
+on:
+  workflow_call:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment:
+      name: jsr
+      url: https://jsr.io/@matmen/imagescript/versions
+    steps:
+    - uses: actions/checkout@v7
+    - uses: denoland/setup-deno@v2
+      with:
+        deno-version: v2.x
+    - run: deno publish
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 50822b5..b85aa63 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -60,20 +60,10 @@ jobs:
 
   jsr:
     needs: publish
-    runs-on: ubuntu-latest
-    environment:
-      name: jsr
-      url: https://jsr.io/@matmen/imagescript/versions
     permissions:
       contents: read
       id-token: write
-    steps:
-    - uses: actions/checkout@v7
-    - uses: denoland/setup-deno@v2
-      with:
-        deno-version: v2.x
-    # publishes the TypeScript sources as they are, JSR authenticates the workflow through the linked repository
-    - run: deno publish
+    uses: ./.github/workflows/jsr.yml
 
   docs:
     needs: [check, publish]
diff --git a/jsr.json b/jsr.json
index ca04ece..3c19544 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,7 +1,7 @@
 {
   "name": "@matmen/imagescript",
   "version": "3.0.0",
-  "license": "(AGPL-3.0-or-later OR MIT)",
+  "license": "MIT",
   "exports": "./src/index.ts",
   "publish": {
     "include": ["src", "README.md", "LICENSE", "LICENSE.MIT", "LICENSE.AGPL-3.0", "THIRD_PARTY_NOTICES.md", "licenses"]