diff --git a/index.ts b/index.ts
index 300a1af..7328e9e 100644
--- a/index.ts
+++ b/index.ts
@@ -11,6 +11,7 @@
 import { boardTools } from "./tools/boards.ts";
 import { cardTools } from "./tools/cards.ts";
 import { commentTools } from "./tools/comments.ts";
+import { fileTools } from "./tools/files.ts";
 import { labelTools } from "./tools/labels.ts";
 import { listTools } from "./tools/lists.ts";
 import { meTools } from "./tools/me.ts";
@@ -32,6 +33,7 @@ const otperPlugin = {
       ...listTools(config),
       ...cardTools(config),
       ...commentTools(config),
+      ...fileTools(config),
       ...labelTools(config),
       ...teamTools(config),
       ...priorityTools(config),
diff --git a/package-lock.json b/package-lock.json
index a516936..5fa20ff 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "@ssntpl/openclaw-otper",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@ssntpl/openclaw-otper",
-      "version": "0.1.3",
+      "version": "0.1.4",
       "license": "MIT",
       "dependencies": {
-        "@ssntpl/otper-cli": "^0.1.7"
+        "@ssntpl/otper-cli": "^0.1.8"
       },
       "devDependencies": {
         "@types/node": "^20.16.10",
@@ -446,9 +446,9 @@
       }
     },
     "node_modules/@ssntpl/otper-cli": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/@ssntpl/otper-cli/-/otper-cli-0.1.7.tgz",
-      "integrity": "sha512-cPT4Z0MA6vdbYVxghRUaT9FSWqVc3iImBXnd8fpa9u6CqRKojfE3tZPrSFTfY4qbPrwSyJFA7WnK3KM/lALH9A==",
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/@ssntpl/otper-cli/-/otper-cli-0.1.8.tgz",
+      "integrity": "sha512-0Ke26SF+h96akmdtd4L8smHNyFcBeYv2a+ajpQ8FRCHNFuIg/CYtIh5Ae+IZp7H8g6vKr9SmcTHvGz3Xx/XG8g==",
       "license": "MIT",
       "dependencies": {
         "@oclif/core": "^4.0.30",
diff --git a/package.json b/package.json
index e1ba26b..7bb7cf5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ssntpl/openclaw-otper",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "OpenClaw plugin for Otper boards (https://otper.com) — exposes Otper boards, lists, cards, labels, comments, and today's priorities as agent tools.",
   "author": "SSNTPL <info@ssntpl.com>",
   "license": "MIT",
@@ -39,7 +39,7 @@
     ]
   },
   "dependencies": {
-    "@ssntpl/otper-cli": "^0.1.7"
+    "@ssntpl/otper-cli": "^0.1.8"
   },
   "devDependencies": {
     "@types/node": "^20.16.10",
diff --git a/tools/files.ts b/tools/files.ts
new file mode 100644
index 0000000..fe420be
--- /dev/null
+++ b/tools/files.ts
@@ -0,0 +1,98 @@
+import { files } from "@ssntpl/otper-cli";
+import { clientFor, json, PluginConfig } from "./shared.ts";
+
+export function fileTools(config: PluginConfig) {
+  return [
+    {
+      name: "otper_attach_file_to_card",
+      label: "Otper: attach file to card",
+      description:
+        "Upload a local file from disk and attach it to a card. Provide the absolute path to the file and the target card id. MIME type is detected from the extension; override with mimeType if needed.",
+      parameters: {
+        type: "object",
+        properties: {
+          cardId: { type: "string", description: "Card id to attach the file to." },
+          filePath: {
+            type: "string",
+            description: "Absolute path to the file on the local filesystem.",
+          },
+          filename: {
+            type: "string",
+            description:
+              "Optional: filename to send to the server. Defaults to the basename of filePath.",
+          },
+          mimeType: {
+            type: "string",
+            description:
+              "Optional: override the MIME type (e.g. image/png). Detected from extension by default.",
+          },
+        },
+        required: ["cardId", "filePath"],
+      },
+      execute: async (
+        _id: string,
+        p: {
+          cardId: string;
+          filePath: string;
+          filename?: string;
+          mimeType?: string;
+        },
+      ) => {
+        const client = clientFor(config);
+        return json(
+          await files.uploadFile(client, {
+            cardId: p.cardId,
+            filePath: p.filePath,
+            filename: p.filename,
+            mimeType: p.mimeType,
+          }),
+        );
+      },
+    },
+    {
+      name: "otper_attach_file_to_comment",
+      label: "Otper: attach file to comment",
+      description:
+        "Upload a local file from disk and attach it to a comment. Both the comment id and the parent card id are required (Otper stores the file under the card).",
+      parameters: {
+        type: "object",
+        properties: {
+          commentId: { type: "string", description: "Comment id to attach the file to." },
+          cardId: {
+            type: "string",
+            description: "Id of the card the comment belongs to.",
+          },
+          filePath: {
+            type: "string",
+            description: "Absolute path to the file on the local filesystem.",
+          },
+          filename: { type: "string", description: "Optional override filename." },
+          mimeType: { type: "string", description: "Optional override MIME type." },
+        },
+        required: ["commentId", "cardId", "filePath"],
+      },
+      execute: async (
+        _id: string,
+        p: {
+          commentId: string;
+          cardId: string;
+          filePath: string;
+          filename?: string;
+          mimeType?: string;
+        },
+      ) => {
+        const client = clientFor(config);
+        return json(
+          await files.uploadFile(client, {
+            cardId: p.cardId,
+            ownerType: "Comment",
+            ownerId: p.commentId,
+            filePath: p.filePath,
+            filename: p.filename,
+            mimeType: p.mimeType,
+          }),
+        );
+      },
+    },
+  ];
+}