diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fa9dad3..160e62d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -181,6 +181,7 @@ jobs:
             --artifacts-dir dist/firefox-signed \
             --api-key "$AMO_JWT_ISSUER" \
             --api-secret "$AMO_JWT_SECRET" \
+            --amo-metadata amo-metadata.json \
             --channel listed \
             --approval-timeout 900000 \
             --no-input
diff --git a/AGENT.md b/AGENT.md
index 432db3b..fa19a02 100644
--- a/AGENT.md
+++ b/AGENT.md
@@ -30,6 +30,7 @@ This repository contains the Firefox WebExtension **Proxy Switcher Fork By WT**.
 - Never hand-edit or retain stale `META-INF` signatures after changing files. Build artifacts must be signed again before distribution.
 - Do not commit generated `web-ext-artifacts/` packages unless explicitly requested.
 - Keep publishing credentials only in GitHub Secrets. The release workflow expects AMO JWT credentials and Chrome Web Store OAuth credentials.
+- Keep `amo-metadata.json` valid for AMO listed submissions; update its license text when the project's distribution license changes.
 - Missing or incomplete store credentials must skip only that store's deployment. Keep package builds, release assets, and workflow artifacts available without store credentials.
 
 ## Validation
diff --git a/README.md b/README.md
index e63634f..6e084a5 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,8 @@ Each store is optional: deployment runs only when its full set of credentials is
 
 The stores must already contain their initial listings and required privacy information. Store review still applies; the workflow submits the update and does not bypass review. Never commit any of these credentials.
 
+The Firefox workflow passes [`amo-metadata.json`](amo-metadata.json) to AMO. It contains the required custom license, category, and listing summary for a listed submission. Update the copyright/license text if the project is distributed under a different license.
+
 To remove generated packages:
 
 ```sh
diff --git a/amo-metadata.json b/amo-metadata.json
new file mode 100644
index 0000000..b270163
--- /dev/null
+++ b/amo-metadata.json
@@ -0,0 +1,11 @@
+{
+  "version": {
+    "custom_license": "Copyright (c) 2026 WT. All rights reserved."
+  },
+  "categories": {
+    "firefox": ["other"]
+  },
+  "summary": {
+    "en-US": "Route selected domains through HTTP or SOCKS5 proxy servers."
+  }
+}