feat: add PptxNodeToolkit with PptxGenJS support

camel/toolkits/__init__.py

@@ -100,6 +100,7 @@
 from .imap_mail_toolkit import IMAPMailToolkit
 from .microsoft_outlook_mail_toolkit import OutlookMailToolkit
 from .earth_science_toolkit import EarthScienceToolkit
+from .pptx_node_toolkit import PptxNodeToolkit
 
 __all__ = [
     'BaseToolkit',
@@ -191,4 +192,5 @@
     'IMAPMailToolkit',
     "OutlookMailToolkit",
     'EarthScienceToolkit',
+    'PptxNodeToolkit',
 ]

camel/toolkits/pptx_node_toolkit.py

@@ -0,0 +1,199 @@
+# ========= Copyright 2023-2026 @ CAMEL-AI.org. All Rights Reserved. =========
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ========= Copyright 2023-2026 @ CAMEL-AI.org. All Rights Reserved. =========
+import json
+import os
+import subprocess
+from pathlib import Path
+from typing import Optional
+
+from camel.logger import get_logger
+from camel.toolkits.base import BaseToolkit
+from camel.toolkits.function_tool import FunctionTool
+from camel.utils import MCPServer
+
+logger = get_logger(__name__)
+
+
+@MCPServer()
+class PptxNodeToolkit(BaseToolkit):
+    r"""A toolkit for creating PowerPoint presentations using PptxGenJS
+    (Node.js).
+    """
+
+    def __init__(
+        self,
+        working_directory: Optional[str] = None,
+        timeout: Optional[float] = None,
+        node_executable: str = "node",
+    ) -> None:
+        r"""Initialize the PptxNodeToolkit.
+
+        Args:
+            working_directory (str, optional): The default directory for
+                output files.
+            timeout (Optional[float]): The timeout for the toolkit.
+                (default: :obj:`None`)
+            node_executable (str): The path to the Node.js executable.
+                (default: "node")
+        """
+        super().__init__(timeout=timeout)
+        self.node_executable = node_executable
+
+        if working_directory:
+            self.working_directory = Path(working_directory).resolve()
+        else:
+            camel_workdir = os.environ.get("CAMEL_WORKDIR")
+            if camel_workdir:
+                self.working_directory = Path(camel_workdir).resolve()
+            else:
+                self.working_directory = Path("./camel_working_dir").resolve()
+
+        self.working_directory.mkdir(parents=True, exist_ok=True)
+        self._check_node_environment()
+
+    def _check_node_environment(self) -> None:
+        """Checks if Node.js and the required scripts are available."""
+        # 1. Check if node is available
+        import shutil
+
+        if not shutil.which(self.node_executable):
+            logger.warning(
+                f"Node.js executable '{self.node_executable}' not found. "
+                "PptxNodeToolkit will not function correctly."
+            )
+
+        # 2. Check if the script's package.json dependencies are installed
+        script_dir = Path(__file__).parent / "scripts"
+        node_modules_path = script_dir / "node_modules"
+
+        if not node_modules_path.exists():
+             logger.warning(
+                f"Node dependencies not found in {script_dir}. "
+                "Please run `npm install` in that directory."
+            )
+
+    def _resolve_filepath(self, file_path: str) -> Path:
+        path_obj = Path(file_path)
+        if not path_obj.is_absolute():
+            path_obj = self.working_directory / path_obj
+        return path_obj.resolve()
+
+    def create_presentation(
+        self,
+        content: str,
+        filename: str,
+    ) -> str:
+        r"""Create a PowerPoint presentation (PPTX) file using PptxGenJS.
+
+        The filename MUST end with ".pptx". If it does not, the toolkit will
+        automatically append it, but the agent should strive to provide the
+        correct extension.
+
+        Args:
+            content (str): The content to write to the PPTX file as a JSON
+                string. It must be a list of dictionaries representing slides.
+
+                JSON Schema Example:
+                [
+                    {
+                        "title": "Main Title",
+                        "subtitle": "Subtitle text"
+                    },
+                    {
+                        "heading": "Slide Heading",
+                        "bullet_points": [
+                            "Point 1",
+                            "Point 2"
+                        ]
+                    },
+                    {
+                        "heading": "Table Slide",
+                        "table": {
+                            "headers": ["Col 1", "Col 2"],
+                            "rows": [["A", "B"], ["C", "D"]]
+                        }
+                    }
+                ]
+            filename (str): The name of the file to save. MUST end in .pptx.
+
+        Returns:
+            str: A JSON string containing the result status, file path, and
+                number of slides generated.
+        """
+        if not filename.lower().endswith('.pptx'):
+            filename += '.pptx'
+
+        file_path = self._resolve_filepath(filename)
+        script_path = Path(__file__).parent / "scripts" / "generate_pptx.js"
+
+        try:
+            # Ensure content is a valid JSON string
+            try:
+                if not isinstance(content, str):
+                    content_str = json.dumps(content)
+                else:
+                    # Validate JSON
+                    json_obj = json.loads(content)
+                    content_str = json.dumps(json_obj)
+            except json.JSONDecodeError:
+                return (
+                    "Error: Content must be valid JSON string representing "
+                    "slides."
+                )
+
+            # Run node script
+            result = subprocess.run(
+                [self.node_executable, str(script_path), str(file_path), content_str],
+                capture_output=True,
+                text=True,
+                check=True,
+            )
+
+            # Parse JSON output from script
+            try:
+                script_output = json.loads(result.stdout.strip())
+                if script_output.get("success"):
+                    return (
+                        f"Presentation created successfully. "
+                        f"Path: {script_output.get('path')}, "
+                        f"Slides: {script_output.get('slides')}"
+                    )
+                else:
+                    return (
+                        f"Error creating presentation: "
+                        f"{script_output.get('error')}"
+                    )
+            except json.JSONDecodeError:
+                return f"Error parsing script output: {result.stdout.strip()}"
+
+        except FileNotFoundError:
+             return (
+                f"Error: Node.js executable '{self.node_executable}' not found."
+            )
+        except subprocess.CalledProcessError as e:
+            logger.error(f"Error creating presentation: {e.stderr}")
+            return f"Error creating presentation subprocess: {e.stderr}"
+        except Exception as e:
+            logger.error(f"Error creating presentation: {e!s}")
+            return f"Error creating presentation: {e!s}"
+
+    def get_tools(self) -> list[FunctionTool]:
+        r"""Returns a list of FunctionTool objects representing the
+        functions in the toolkit.
+
+        Returns:
+            List[FunctionTool]: A list of FunctionTool objects
+                representing the functions in the toolkit.
+        """
+        return [FunctionTool(self.create_presentation)]

camel/toolkits/scripts/generate_pptx.js

@@ -0,0 +1,88 @@
+
+import PptxGenJS from "pptxgenjs";
+import fs from "fs";
+
+// Get arguments
+const args = process.argv.slice(2);
+if (args.length < 2) {
+    console.error("Usage: node generate_pptx.js <filename> <content_json>");
+    process.exit(1);
+}
+
+const filename = args[0];
+const contentJson = args[1];
+
+let slidesData;
+try {
+    slidesData = JSON.parse(contentJson);
+} catch (e) {
+    console.error("Error parsing JSON content:", e);
+    process.exit(1);
+}
+
+// Create Presentation
+const ppt = new PptxGenJS();
+
+// Process slides
+if (Array.isArray(slidesData)) {
+    slidesData.forEach((slideData) => {
+        const slide = ppt.addSlide();
+
+        // simple layout heuristics based on keys
+        if (slideData.title) {
+            slide.addText(slideData.title, { x: 1, y: 1, w: "80%", h: 1, fontSize: 24, bold: true, color: "363636" });
+        }
+
+        if (slideData.subtitle) {
+            slide.addText(slideData.subtitle, { x: 1, y: 2.5, w: "80%", h: 1, fontSize: 18, color: "737373" });
+        }
+
+        if (slideData.heading) {
+            slide.addText(slideData.heading, { x: 0.5, y: 0.5, w: "90%", h: 0.5, fontSize: 20, bold: true, color: "000000" });
+        }
+
+        if (slideData.bullet_points && Array.isArray(slideData.bullet_points)) {
+            const bullets = slideData.bullet_points.map(bp => ({ text: bp, options: { fontSize: 14, bullet: true, color: "000000", breakLine: true } }));
+            slide.addText(bullets, { x: 1, y: 1.5, w: "80%", h: 4 });
+        }
+
+        if (slideData.text) {
+            slide.addText(slideData.text, { x: 1, y: 1.5, w: "80%", h: 4, fontSize: 14, color: "000000" });
+        }
+
+        // Table support
+        if (slideData.table) {
+            const tableData = [];
+            // headers
+            if (slideData.table.headers) {
+                tableData.push(slideData.table.headers.map(h => ({ text: h, options: { bold: true, fill: "F7F7F7" } })));
+            }
+            // rows
+            if (slideData.table.rows) {
+                slideData.table.rows.forEach(row => {
+                    tableData.push(row);
+                });
+            }
+            slide.addTable(tableData, { x: 1, y: 2, w: "80%" });
+        }
+    });
+}
+
+// Save File
+ppt.writeFile({ fileName: filename })
+    .then((fileName) => {
+        const result = {
+            success: true,
+            path: fileName,
+            slides: Array.isArray(slidesData) ? slidesData.length : 0
+        };
+        console.log(JSON.stringify(result));
+    })
+    .catch((err) => {
+        const result = {
+            success: false,
+            error: err.toString()
+        };
+        console.log(JSON.stringify(result));
+        process.exit(1);
+    });

camel/toolkits/scripts/package.json

@@ -0,0 +1,11 @@
+{
+    "name": "camel-pptx-toolkit-scripts",
+    "version": "1.0.0",
+    "description": "Node.js scripts for CAMEL PptxNodeToolkit",
+    "main": "generate_pptx.js",
+    "type": "module",
+    "dependencies": {
+        "pptxgenjs": "^3.12.0"
+    },
+    "private": true
+}