#!/usr/bin/env node
/**
* MCP Server エントリポイント
* TypeScript シンボルリネームとファイル/ディレクトリ移動プラン機能を提供
*/
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
Tool,
} from "@modelcontextprotocol/sdk/types.js";
import { planRenameSymbol } from "./tools/planRenameSymbol.js";
import { planFileMove } from "./tools/planFileMove.js";
import {
planDirectoryMove,
type PlanDirectoryMoveParams,
} from "./tools/planDirectoryMove.js";
import type { PlanRenameSymbolParams, PlanFileMoveParams } from "./types.js";
/**
* MCP ツール定義
*/
const TOOLS: Tool[] = [
{
name: "planRenameSymbol",
description:
"Compute edits to rename a TypeScript symbol at a specific position. Returns edit plans without modifying the filesystem.",
inputSchema: {
type: "object",
properties: {
projectRoot: {
type: "string",
description: "Absolute or relative path to the project root",
},
filePath: {
type: "string",
description:
"Absolute path or path relative to projectRoot of the file containing the symbol",
},
line: {
type: "number",
description: "0-based line number of the symbol",
},
character: {
type: "number",
description: "0-based character position of the symbol",
},
newName: {
type: "string",
description: "The new name for the symbol",
},
findInStrings: {
type: "boolean",
description: "Whether to find occurrences in strings (default: false)",
},
findInComments: {
type: "boolean",
description:
"Whether to find occurrences in comments (default: false)",
},
},
required: ["projectRoot", "filePath", "line", "character", "newName"],
},
},
{
name: "planFileMove",
description:
"Plan file move/rename with import path updates. Returns edit plans and file move suggestions without modifying the filesystem.",
inputSchema: {
type: "object",
properties: {
projectRoot: {
type: "string",
description: "Absolute or relative path to the project root",
},
oldPath: {
type: "string",
description:
"Absolute path or path relative to projectRoot of the file to move",
},
newPath: {
type: "string",
description:
"Absolute path or path relative to projectRoot of the destination",
},
},
required: ["projectRoot", "oldPath", "newPath"],
},
},
{
name: "planDirectoryMove",
description:
"Plan directory move with recursive import updates for all contained files. Returns edit plans and file move suggestions without modifying the filesystem.",
inputSchema: {
type: "object",
properties: {
projectRoot: {
type: "string",
description: "Absolute or relative path to the project root",
},
oldDir: {
type: "string",
description:
"Absolute path or path relative to projectRoot of the directory to move",
},
newDir: {
type: "string",
description:
"Absolute path or path relative to projectRoot of the destination",
},
},
required: ["projectRoot", "oldDir", "newDir"],
},
},
];
/**
* MCP サーバーの起動
*/
async function main() {
// Server インスタンスを作成
const server = new Server(
{
name: "ts-rename-helper-mcp",
version: "0.1.0",
},
{
capabilities: {
tools: {},
},
}
);
// ツールリストのリクエストをハンドル
server.setRequestHandler(ListToolsRequestSchema, async () => {
return {
tools: TOOLS,
};
});
// ツール呼び出しのリクエストをハンドル
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
switch (name) {
case "planRenameSymbol": {
const params = args as unknown as PlanRenameSymbolParams;
const result = planRenameSymbol(params);
return {
content: [
{
type: "text",
text: JSON.stringify(result, null, 2),
},
],
};
}
case "planFileMove": {
const params = args as unknown as PlanFileMoveParams;
const result = planFileMove(params);
return {
content: [
{
type: "text",
text: JSON.stringify(result, null, 2),
},
],
};
}
case "planDirectoryMove": {
const params = args as unknown as PlanDirectoryMoveParams;
const result = planDirectoryMove(params);
return {
content: [
{
type: "text",
text: JSON.stringify(result, null, 2),
},
],
};
}
default:
throw new Error(`Unknown tool: ${name}`);
}
} catch (error) {
const errorMessage =
error instanceof Error ? error.message : String(error);
console.error(`Error executing tool ${name}:`, errorMessage);
return {
content: [
{
type: "text",
text: JSON.stringify(
{
error: errorMessage,
},
null,
2
),
},
],
isError: true,
};
}
});
// StdioServerTransport でサーバーを起動
const transport = new StdioServerTransport();
await server.connect(transport);
console.error("ts-rename-helper-mcp server started");
}
// メイン関数を実行
main().catch((error) => {
console.error("Fatal error:", error);
process.exit(1);
});
