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createIssue

Add new issues to Backlog projects for task tracking and management. Use this tool to create project items and organize work.

Instructions

課題の追加

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Implementation Reference

  • Generic handler function for all MCP tools defined in endpoints. For 'createIssue', it uses path 'issues', POST method, validates input params like projectId, summary, issueTypeId etc., calls fetchFromBacklog to create the issue via Backlog API, and returns the created issue JSON.
    const handler = async (params: Record<string, unknown>): Promise<McpResponse> => { try { // パラメータのバリデーション const validatedParams = await endpoint.schema.parseAsync(params); // URL中のプレースホルダーを置換 let path = endpoint.path; // URIスキーム(例:space://info)の場合はBacklog APIのパスに変換 if (path.includes('://')) { // URIスキームを取り除いてAPIパスに変換 const uriParts = path.split('://'); const resourceType = uriParts[0]; const resourcePath = uriParts[1]; // リソースタイプに応じてAPIパスを構築 switch (resourceType) { case 'space': path = 'space'; break; case 'projects': if (resourcePath === 'list') { path = 'projects'; } else { path = `projects/${resourcePath}`; } break; case 'issues': if (resourcePath.includes('/list')) { const projectPart = resourcePath.split('/')[0]; path = 'issues'; validatedParams.projectIdOrKey = projectPart; } else if (resourcePath.includes('/details')) { const issuePart = resourcePath.split('/')[0]; path = `issues/${issuePart}`; } break; case 'wikis': if (resourcePath.includes('/list')) { const projectPart = resourcePath.split('/')[0]; path = 'wikis'; validatedParams.projectIdOrKey = projectPart; } break; case 'users': path = 'users'; break; default: path = resourcePath; } } // 通常のパスパラメータの置換処理 for (const [key, value] of Object.entries(validatedParams)) { if (typeof value === "string" || typeof value === "number") { const placeholder = `{${key}}`; if (path.includes(placeholder)) { path = path.replace(placeholder, String(value)); // プレースホルダーとして使用したパラメータは削除 delete validatedParams[key]; } } } // メソッドの追加 if (endpoint.method !== "GET") { validatedParams.method = endpoint.method; } // APIリクエストの実行 const data = await fetchFromBacklog(path, validatedParams); return { content: [{ type: "text" as const, text: JSON.stringify(data, null, 2) }], }; } catch (error: any) { // エラーメッセージの整形 const errorMessage = error.errors ? `バリデーションエラー: ${JSON.stringify(error.errors)}` : `エラー: ${error.message}`; return { content: [{ type: "text" as const, text: errorMessage }], isError: true, }; } };
  • Input schema for createIssue tool using Zod, defining required fields like projectId, summary, issueTypeId and optional fields like priorityId, dates.
    { name: "createIssue", description: "課題の追加", path: "issues", method: "POST", schema: z.object({ projectId: projectIdSchema, summary: summarySchema, description: descriptionSchema, issueTypeId: issueTypeIdSchema, priorityId: priorityIdSchema, startDate: dateFormatSchema, dueDate: dateFormatSchema, }), type: "tool", },
  • Code block that registers the tool with MCP server.tool(), called in loop for each endpoint including createIssue.
    if (endpoint.type === "tool") { // ツールの登録 server.tool( endpoint.name, endpoint.description, async (args: Record<string, unknown>) => handler(args) );
  • Core helper function that sends HTTP POST request to Backlog API /issues endpoint with form data to actually create the issue.
    export async function fetchFromBacklog( endpoint: string, params: Record<string, any> = {} ): Promise<any> { try { // 環境変数のバリデーション const domain = process.env.BACKLOG_DOMAIN?.trim(); const apiKey = process.env.BACKLOG_API_KEY?.trim(); if (!domain || !apiKey) { throw new Error( "環境変数BACKLOG_DOMAINまたはBACKLOG_API_KEYが設定されていません" ); } // パラメータのサニタイズ const sanitizedParams = Object.fromEntries( Object.entries(params).map(([key, value]) => [ key, typeof value === "string" ? value.trim() : value ]) ); // エンドポイントのパスパラメータを置換 let processedEndpoint = endpoint; if (endpoint.includes("{")) { // {issueId}のようなパスパラメータを実際の値で置換 const matches = endpoint.match(/\{([^}]+)\}/g) || []; for (const match of matches) { const paramName = match.slice(1, -1); // {issueId} -> issueId if (sanitizedParams[paramName]) { processedEndpoint = processedEndpoint.replace( match, sanitizedParams[paramName] ); delete sanitizedParams[paramName]; // URLに埋め込んだパラメータは削除 } else { throw new Error(`パスパラメータ ${paramName} が指定されていません`); } } } // URLの構築 const url = new URL(`https://${domain}/api/v2/${processedEndpoint}`); url.searchParams.append("apiKey", apiKey); // メソッドの判定 const method = sanitizedParams.method || (endpoint.toLowerCase().includes("post") ? "POST" : "GET"); delete sanitizedParams.method; // methodパラメータは削除 // リクエストオプションの準備 const options: RequestInit = { method, headers: { "User-Agent": "Backlog-MCP-Server/1.0.0", "Accept": "application/json" } }; // POSTリクエストの場合はボディにパラメータを設定 if (method === "POST") { // POSTリクエストの場合はFormDataを使用(Backlog APIの仕様に合わせる) const formData = new URLSearchParams(); for (const [key, value] of Object.entries(sanitizedParams)) { if (value !== undefined && value !== null) { // 配列の場合は複数のパラメータとして追加 if (Array.isArray(value)) { value.forEach(item => { formData.append(`${key}[]`, String(item)); }); } else { formData.append(key, String(value)); } } } options.body = formData.toString(); options.headers = { ...options.headers, "Content-Type": "application/x-www-form-urlencoded" }; } else { // GETリクエストの場合はURLにパラメータを追加 for (const [key, value] of Object.entries(sanitizedParams)) { if (value !== undefined && value !== null) { // 配列の場合は複数のパラメータとして追加 if (Array.isArray(value)) { value.forEach(item => { url.searchParams.append(`${key}[]`, String(item)); }); } else { url.searchParams.append(key, String(value)); } } } } // デバッグ情報(開発時のみ使用) if (process.env.NODE_ENV === 'development') { console.log(`[DEBUG] リクエスト: ${method} ${url.toString()}`); if (method === 'POST') { console.log(`[DEBUG] リクエストボディ: ${options.body}`); } } // リクエストの実行 const response = await fetch(url.toString(), options); const data = await response.json(); // Backlogエラーレスポンスのチェックとハンドリング if (isBacklogError(data)) { const error = data.errors[0]; const errorDetails = error.moreInfo ? ` (詳細: ${error.moreInfo})` : ''; throw new Error(`Backlogエラー [${error.code}]: ${error.message}${errorDetails}`); } if (!response.ok) { throw new Error(`HTTPエラー ${response.status}: ${response.statusText}`); } return data; } catch (error) { if (error instanceof Error) { // エラーの種類に応じて詳細なメッセージを提供 if (error.message.includes('ENOTFOUND')) { throw new Error(`Backlog API接続エラー: ドメイン ${process.env.BACKLOG_DOMAIN} に接続できません`); } else if (error.message.includes('ETIMEDOUT')) { throw new Error(`Backlog API接続タイムアウト: リクエストがタイムアウトしました`); } else if (error.message.includes('SyntaxError')) { throw new Error(`Backlog APIレスポースエラー: 不正なJSONレスポンスを受信しました`); } else { throw new Error(`Backlog API呼び出しエラー: ${error.message}`); } } throw error; } }

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