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Fix missing mcp-stdio export issue

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Use dynamic import to avoid build-time import errors
Add fallback error handling for unsupported environments
This should fix both dev server and Docker build issues

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Nirmal Arya 2025-06-24 16:36:35 -04:00
parent 8583dd557c
commit 70f5bc3488
1 changed files with 13 additions and 3 deletions
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16
app/lib/services/mcp.ts
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@ -1,7 +1,9 @@
import { experimental_createMCPClient } from 'ai'; import { experimental_createMCPClient } from 'ai';
import { Experimental_StdioMCPTransport } from 'ai/mcp-stdio';
import { createScopedLogger } from '~/utils/logger'; import { createScopedLogger } from '~/utils/logger';
// Dynamic import for stdio transport to avoid build issues
let Experimental_StdioMCPTransport: any;
const logger = createScopedLogger('mcp-service'); const logger = createScopedLogger('mcp-service');
// MCP config types // MCP config types
@ -90,9 +92,13 @@ async function createStdioClient(serverName: string, config: ServerConfig): Prom
logger.debug(`Creating stdio MCP client for '${serverName}' with command: '${command}' ${args?.join(' ') || ''}`); logger.debug(`Creating stdio MCP client for '${serverName}' with command: '${command}' ${args?.join(' ') || ''}`);
// Note: This requires Node.js compatibility in the runtime environment
try { try {
// Dynamic import to avoid build issues with missing export
if (!Experimental_StdioMCPTransport) {
const module = await import('ai/mcp-stdio');
Experimental_StdioMCPTransport = module.Experimental_StdioMCPTransport;
}
const transport = new Experimental_StdioMCPTransport({ const transport = new Experimental_StdioMCPTransport({
command: command!, command: command!,
args, args,
@ -102,6 +108,10 @@ async function createStdioClient(serverName: string, config: ServerConfig): Prom
return await experimental_createMCPClient({ transport }); return await experimental_createMCPClient({ transport });
} catch (e) { } catch (e) {
// Fallback error message for unsupported environments
if (e instanceof Error && e.message.includes('Missing')) {
throw new Error(`Stdio MCP servers are not supported in this environment. Please use SSE-based servers instead.`);
}
throw new Error(`Failed to start command "${command}": ${errorToString(e)}`); throw new Error(`Failed to start command "${command}": ${errorToString(e)}`);
} }
} }