// file-operations-plugin.js
// Plugin that adds file operation tools to the MCP server
import fs from 'fs';
import path from 'path';
import os from 'os';
const claudeDir = path.join(os.homedir(), 'AppData', 'Roaming', 'Claude');
const sessionStatePath = path.join(claudeDir, 'session_state.json');
// Plugin definition
export default {
name: 'file-operations',
version: '1.0.0',
description: 'Adds file operation tools to Claude Desktop',
// Tools provided by this plugin
tools: [
{
name: "analyze_file",
description: "Analyze a file in Claude Desktop",
parameters: {
type: "object",
properties: {
file_path: {
type: "string",
description: "Absolute path to the file to analyze"
}
},
required: ["file_path"]
},
handler: async (params) => {
const { file_path } = params;
// Validate file exists
if (!fs.existsSync(file_path)) {
throw new Error(`File not found: ${file_path}`);
}
try {
let sessionState = {};
try {
if (fs.existsSync(sessionStatePath)) {
sessionState = JSON.parse(fs.readFileSync(sessionStatePath, 'utf8'));
}
} catch (err) {
console.error('Error reading session state:', err);
}
// Update the state
sessionState.pending_actions = sessionState.pending_actions || [];
sessionState.pending_actions.push({
id: `action_${Date.now()}`,
type: "analyze_file",
params: { file_path },
timestamp: Date.now(),
status: "pending"
});
// Write back the updated state
fs.writeFileSync(sessionStatePath, JSON.stringify(sessionState, null, 2));
console.log(`Requested to analyze file: ${file_path}`);
return {
success: true,
message: `Requested to analyze file: ${file_path}`,
file_info: {
size: fs.statSync(file_path).size,
type: path.extname(file_path).substring(1)
}
};
} catch (err) {
console.error(`Error requesting file analysis: ${err.message}`);
throw new Error(`Failed to request file analysis: ${err.message}`);
}
}
},
{
name: "save_conversation",
description: "Save the current conversation to a file",
parameters: {
type: "object",
properties: {
file_path: {
type: "string",
description: "Absolute path where to save the conversation"
},
format: {
type: "string",
enum: ["markdown", "json", "html", "text"],
description: "Format to save the conversation in"
}
},
required: ["file_path"]
},
handler: async (params) => {
const { file_path, format = "markdown" } = params;
try {
let sessionState = {};
try {
if (fs.existsSync(sessionStatePath)) {
sessionState = JSON.parse(fs.readFileSync(sessionStatePath, 'utf8'));
}
} catch (err) {
console.error('Error reading session state:', err);
}
// Update the state
sessionState.pending_actions = sessionState.pending_actions || [];
sessionState.pending_actions.push({
id: `action_${Date.now()}`,
type: "save_conversation",
params: { file_path, format },
timestamp: Date.now(),
status: "pending"
});
// Write back the updated state
fs.writeFileSync(sessionStatePath, JSON.stringify(sessionState, null, 2));
console.log(`Requested to save conversation to: ${file_path} (${format})`);
return {
success: true,
message: `Requested to save conversation to: ${file_path} (${format})`
};
} catch (err) {
console.error(`Error requesting conversation save: ${err.message}`);
throw new Error(`Failed to request conversation save: ${err.message}`);
}
}
}
]
};
