mcp-proxy-background-service.ts

import "@johnlindquist/kit";

metadata = {
  name: "MCP Proxy Background Service",
  background: true,
  longRunning: true,
};

const MCP_PROXY_EXECUTABLE = "C:/Users/josch/go/bin/mcp-proxy.exe";
const CONFIG_PATH = home("mcp-proxy.json");

// https://github.com/TBXark/mcp-proxy
const config = {
  mcpProxy: {
    baseURL: "http://localhost:9090",
    addr: ":9090",
    name: "MCP Proxy",
    version: "1.0.0",
    type: "sse",
    options: {
      panicIfInvalid: false,
      logEnabled: true,
    },
  },
  mcpServers: {
    // TODO: Fill in
  },
};

await writeFile(CONFIG_PATH, JSON.stringify(config, null, 2));

console.log("Spawning MCP Proxy...");

const p = spawn(
  MCP_PROXY_EXECUTABLE,
  ["--config", CONFIG_PATH],
  { shell: false, stdio: "pipe", detached: false },
);

p.stdout!.on("data", (data) => {
  console.log(data.toString().trim());
});

p.stderr!.on("data", (data) => {
  console.log(data.toString().trim());
});

p.on("close", (code) => {
  console.log(`MCP Proxy closed with code ${code}`);
});

p.on("error", (error) => {
  console.error(`MCP Proxy error: ${error}`);
});