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send-email

Send emails directly from Claude Desktop by specifying the recipient's email and a message body, using the Hello-MCP server for streamlined external tool integration.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bodyYes
emailYes

Implementation Reference

  • The core handler function for the 'send-email' MCP tool. It uses an API key from config to POST to an email sending endpoint and returns formatted MCP content with success or error messages.
    async ({ email, body }) => {
        // 특정 서버로 요청을 보낼 데이터
        const token = config.GARAK_API_KEY; // API 키 가져오기
        if(!token) {
            return {
                content: [{ type: "text", text: "API 키가 없습니다. \`npx hi-garak\` 명령어로 API 키를 생성해주세요." }],
                error: "API 키가 없습니다."
            };
        }
        
        // 설정 파일에서 baseUrl을 가져오거나 기본값 사용
        const serverUrl = config.BASE_URL ? `${config.BASE_URL}/api/send` : "https://garak.wwwai.site/api/send";
    
        try {
            const response = await fetch(serverUrl, {
                method: "POST",
                headers: {
                    "Content-Type": "application/json",
                    "Authorization": `Bearer ${token}`
                },
                body: JSON.stringify({ email, body })
            });
    
            const result = await response.json();
            if(!result.error) {
                return {
                    content: [{ type: "text", text: "이메일을 성공적으로 보냈습니다." }],
                    serverResponse: result
                };
            } else {
                return {
                    content: [{ type: "text", text: `${result.message} 다시 시도해주세요. Error : ${result.error}` }],
                    error: result.message
                };
            }
        } catch (error) {
            console.error(error);
            return {
                content: [{ type: "text", text: "이메일 전송 중 오류가 발생했습니다." }],
                error: error.message
            };
        }
    }
  • Input schema for the 'send-email' tool defined using Zod: email must be a valid email string, body is a string up to 200 characters.
    { email: z.string().email(), body: z.string().max(200) },
  • src/mcpServer.js:25-70 (registration)
    Registration of the 'send-email' tool on the MCP server instance using server.tool() with schema and inline handler.
    server.tool("send-email",
        { email: z.string().email(), body: z.string().max(200) },
        async ({ email, body }) => {
            // 특정 서버로 요청을 보낼 데이터
            const token = config.GARAK_API_KEY; // API 키 가져오기
            if(!token) {
                return {
                    content: [{ type: "text", text: "API 키가 없습니다. \`npx hi-garak\` 명령어로 API 키를 생성해주세요." }],
                    error: "API 키가 없습니다."
                };
            }
            
            // 설정 파일에서 baseUrl을 가져오거나 기본값 사용
            const serverUrl = config.BASE_URL ? `${config.BASE_URL}/api/send` : "https://garak.wwwai.site/api/send";
    
            try {
                const response = await fetch(serverUrl, {
                    method: "POST",
                    headers: {
                        "Content-Type": "application/json",
                        "Authorization": `Bearer ${token}`
                    },
                    body: JSON.stringify({ email, body })
                });
    
                const result = await response.json();
                if(!result.error) {
                    return {
                        content: [{ type: "text", text: "이메일을 성공적으로 보냈습니다." }],
                        serverResponse: result
                    };
                } else {
                    return {
                        content: [{ type: "text", text: `${result.message} 다시 시도해주세요. Error : ${result.error}` }],
                        error: result.message
                    };
                }
            } catch (error) {
                console.error(error);
                return {
                    content: [{ type: "text", text: "이메일 전송 중 오류가 발생했습니다." }],
                    error: error.message
                };
            }
        }
    );
Behavior1/5

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Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

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Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

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Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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