diff --git a/src/plugins/gitea-add-swagger-button.user.js b/src/plugins/gitea-add-swagger-button.user.js
new file mode 100644
index 0000000..e57049c
--- /dev/null
+++ b/src/plugins/gitea-add-swagger-button.user.js
@@ -0,0 +1,47 @@
+// ==UserScript==
+// @name         gitea-add-swagger-button
+// @namespace    https://integratielaag.nl/
+// @version      0.1
+// @description  Creates a button in Gitea to view Swagger
+// @author       bboterm
+// @match        https://git.integratielaag.nl/*.yaml
+// @icon         https://www.google.com/s2/favicons?sz=64&domain=gitea.com
+// @grant        none
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    // Set the base URL for the Swagger instance
+    const swaggerBaseURL = 'https://swagger.integratielaag.nl/?url=';
+    // Get the base URL from the current webpage
+    const gitBaseURL = window.location.origin;
+
+    // Replace 'parent-class-name' with the class name of the parent div
+    const parentClassName = 'file-actions';
+    // Replace 'child-class-name' with the class name of the child div
+    const childClassName = 'buttons';
+
+    const parentDiv = document.querySelector('div.file-actions');
+    if (parentDiv) {
+        const childDiv = parentDiv.querySelector('div.buttons');
+        if (childDiv) {
+            const firstATag = childDiv.querySelector('a');
+            if (firstATag) {
+                // Get the URL of the raw file
+                const hrefValue = firstATag.getAttribute('href');
+                // Create a string literal for the new Swagger button
+                const swaggerButton = `<a class="ui mini basic button" target="_blank" href="${swaggerBaseURL}${gitBaseURL}/${hrefValue}">Swagger</a>`;
+                // Add the Swagger button to the HTML
+				childDiv.innerHTML = swaggerButton + childDiv.innerHTML;
+            } else {
+                console.log('No <a> tag found inside the child div.');
+            }
+        } else {
+            console.log(`Child div with class '${childClassName}' not found.`);
+        }
+    } else {
+        console.log(`Parent div with class '${parentClassName}' not found.`);
+    }
+})();
+