const http = require('http');
const PORT = 51234;
const HOST = '127.0.0.1';
const PATH = '/mcp';
const TARGET_FILE = 'mcp_hello.md';
const CONTENT = '# 안녕하세요 MCP!\n\n이 파일은 로컬 MCP 클라이언트 스크립트가 생성했습니다.\n시간: ' + new Date().toLocaleString();
function sendRequest(method, params, callback) {
const postData = JSON.stringify({
jsonrpc: "2.0",
method: method,
id: Date.now(),
params: params
});
const options = {
hostname: HOST,
port: PORT,
path: PATH,
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json, text/event-stream',
'Content-Length': Buffer.byteLength(postData)
}
};
const req = http.request(options, (res) => {
let body = '';
res.on('data', (chunk) => body += chunk);
res.on('end', () => {
try {
if (!body) return callback(new Error("Empty body"));
const json = JSON.parse(body);
callback(null, json);
} catch (e) {
callback(new Error("Failed to parse: " + body));
}
});
});
req.on('error', (e) => callback(e));
req.write(postData);
req.end();
}
console.log(`Payload: Writing to '${TARGET_FILE}'...`);
// 1. Try to WRITE the file
sendRequest("tools/call", {
name: "write_note",
arguments: {
path: TARGET_FILE,
content: CONTENT
}
}, (err, json) => {
if (err) {
console.error("Connection Error:", err.message);
return;
}
if (json.error) {
console.error("\n❌ Write Failed!");
console.error("Error Code:", json.error.code);
console.error("Message:", json.error.message);
if (json.error.message.includes("Read-only")) {
console.log("\n💡 TIP: Please change 'Write Mode' in Obsidian Settings -> MCP Server to 'Confirm each write' or 'Allow-list'.");
}
return;
}
console.log("✅ Write Success:", json.result.content[0].text);
// 2. Try to READ the file back
console.log(`\nPayload: Reading '${TARGET_FILE}'...`);
sendRequest("resources/read", {
uri: `obsidian://note/${TARGET_FILE}`
}, (err, json) => {
if (err) {
console.error("Read Error:", err.message);
return;
}
if (json.error) {
console.error("❌ Read Failed:", json.error.message);
return;
}
const resource = json.result.contents[0];
console.log("✅ Read Success!");
console.log("--- File Content Start ---");
console.log(resource.text);
console.log("--- File Content End ---");
});
});
