configDiscovery.ts•3.64 kB
/**
* Config discovery step - Finds existing MCP configurations
*/
import { promises as fs } from "fs";
import {
WizardState,
WizardStep,
ExistingConfig,
ServerInfo,
} from "../setup/types.js";
import { output } from "../../utils/output.js";
import { theme } from "../../utils/theme.js";
export class ConfigDiscoveryStep implements WizardStep {
name = "configDiscovery";
canSkip = false;
async run(state: WizardState): Promise<WizardState> {
// Skip if no apps selected
if (state.selectedApps.length === 0) {
return state;
}
output.displaySpaceBuffer(1);
output.info(theme.info("📋 Checking for existing MCP configurations..."));
output.displaySpaceBuffer(1);
const existingConfigs: ExistingConfig[] = [];
// Read configurations from selected apps
for (const appId of state.selectedApps) {
const app = state.detectedApps.find((a) => a.id === appId);
if (!app || !app.hasExistingConfig) continue;
try {
const content = await fs.readFile(app.configPath, "utf-8");
const config = JSON.parse(content);
if (config.mcpServers) {
const servers: ServerInfo[] = [];
for (const [name, serverConfig] of Object.entries(
config.mcpServers
)) {
const server = serverConfig as any;
servers.push({
name,
command: server.command || server.type || "unknown",
args: server.args || undefined,
description: this.getServerDescription(name, server),
fromApp: appId,
});
}
if (servers.length > 0) {
existingConfigs.push({
appId,
servers,
configPath: app.configPath,
});
}
}
} catch {
output.warn(`Failed to read config from ${app.displayName}`);
}
}
// Display summary
if (existingConfigs.length > 0) {
output.success("Found existing configurations:");
for (const config of existingConfigs) {
const app = state.detectedApps.find((a) => a.id === config.appId);
output.info(
` • ${app?.displayName}: ${config.servers.length} servers`
);
// Show server details in verbose mode
if (state.verbose) {
for (const server of config.servers) {
output.info(` - ${server.name}: ${server.description}`);
}
}
}
} else {
output.info(
"No existing MCP configurations found in selected applications."
);
}
return {
...state,
existingConfigs,
};
}
private getServerDescription(name: string, config: any): string {
// Try to generate a helpful description based on the server config
if (config.command) {
if (config.command.includes("filesystem"))
return "File system operations";
if (config.command.includes("git")) return "Git repository management";
if (config.command.includes("docker"))
return "Docker container management";
if (config.command.includes("python")) return "Python code execution";
if (config.command.includes("npm")) return "Node.js package management";
}
// Use args if available
if (config.args && Array.isArray(config.args)) {
const argsStr = config.args.join(" ");
if (argsStr.includes("filesystem")) return "File system operations";
if (argsStr.includes("git")) return "Git repository management";
}
// Default to the command or type
return config.command || config.type || "MCP server";
}
}