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Make server host configurable #261

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Make server host configurable #261

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19 changes: 19 additions & 0 deletions src/config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,14 @@ import type { FigmaAuthOptions } from "./services/figma.js";
interface ServerConfig {
auth: FigmaAuthOptions;
port: number;
host: string;
outputFormat: "yaml" | "json";
skipImageDownloads?: boolean;
configSources: {
figmaApiKey: "cli" | "env";
figmaOAuthToken: "cli" | "env" | "none";
port: "cli" | "env" | "default";
host: "cli" | "env" | "default";
outputFormat: "cli" | "env" | "default";
envFile: "cli" | "default";
skipImageDownloads?: "cli" | "env" | "default";
Expand All @@ -29,6 +31,7 @@ interface CliArgs {
"figma-oauth-token"?: string;
env?: string;
port?: number;
host?: string;
json?: boolean;
"skip-image-downloads"?: boolean;
}
Expand All @@ -53,6 +56,10 @@ export function getServerConfig(isStdioMode: boolean): ServerConfig {
type: "number",
description: "Port to run the server on",
},
host: {
type: "string",
description: "Host to run the server on",
},
json: {
type: "boolean",
description: "Output data from tools in JSON format instead of YAML",
Expand Down Expand Up @@ -91,12 +98,14 @@ export function getServerConfig(isStdioMode: boolean): ServerConfig {

const config: Omit<ServerConfig, "auth"> = {
port: 3333,
host: "127.0.0.1",
outputFormat: "yaml",
skipImageDownloads: false,
configSources: {
figmaApiKey: "env",
figmaOAuthToken: "none",
port: "default",
host: "default",
outputFormat: "default",
envFile: envFileSource,
skipImageDownloads: "default",
Expand Down Expand Up @@ -132,6 +141,15 @@ export function getServerConfig(isStdioMode: boolean): ServerConfig {
config.configSources.port = "env";
}

// Handle HOST
if (argv.host) {
config.host = argv.host;
config.configSources.host = "cli";
} else if (process.env.HOST) {
config.host = process.env.HOST;
config.configSources.host = "env";
}

// Handle JSON output format
if (argv.json) {
config.outputFormat = "json";
Expand Down Expand Up @@ -174,6 +192,7 @@ export function getServerConfig(isStdioMode: boolean): ServerConfig {
console.log("- Authentication Method: Personal Access Token (X-Figma-Token)");
}
console.log(`- PORT: ${config.port} (source: ${config.configSources.port})`);
console.log(`- HOST: ${config.host} (source: ${config.configSources.host})`);
console.log(
`- OUTPUT_FORMAT: ${config.outputFormat} (source: ${config.configSources.outputFormat})`,
);
Expand Down
14 changes: 7 additions & 7 deletions src/server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -35,12 +35,12 @@ export async function startServer(): Promise<void> {
const transport = new StdioServerTransport();
await server.connect(transport);
} else {
console.log(`Initializing Figma MCP Server in HTTP mode on port ${config.port}...`);
await startHttpServer(config.port, server);
console.log(`Initializing Figma MCP Server in HTTP mode on ${config.host}:${config.port}...`);
await startHttpServer(config.host, config.port, server);
}
}

export async function startHttpServer(port: number, mcpServer: McpServer): Promise<void> {
export async function startHttpServer(host: string, port: number, mcpServer: McpServer): Promise<void> {
const app = express();

// Parse JSON requests for the Streamable HTTP endpoint only, will break SSE endpoint
Expand Down Expand Up @@ -176,11 +176,11 @@ export async function startHttpServer(port: number, mcpServer: McpServer): Promi
}
});

httpServer = app.listen(port, "127.0.0.1", () => {
httpServer = app.listen(port, host, () => {
Logger.log(`HTTP server listening on port ${port}`);
Logger.log(`SSE endpoint available at http://localhost:${port}/sse`);
Logger.log(`Message endpoint available at http://localhost:${port}/messages`);
Logger.log(`StreamableHTTP endpoint available at http://localhost:${port}/mcp`);
Logger.log(`SSE endpoint available at http://${host}:${port}/sse`);
Logger.log(`Message endpoint available at http://${host}:${port}/messages`);
Logger.log(`StreamableHTTP endpoint available at http://${host}:${port}/mcp`);
});

process.on("SIGINT", async () => {
Expand Down