server-config.ts•2.05 kB
/**
* Server configuration management
*
* This module handles all configuration for the Ollama MCP Server,
* including environment variables, defaults, and validation.
*/
export interface ServerConfig {
ollama: {
baseUrl: string;
};
transport: {
type: 'stdio' | 'http';
http?: {
host: string;
port: number;
allowedOrigins?: string[];
enableDnsRebindingProtection: boolean;
};
};
server: {
name: string;
version: string;
};
}
/**
* Load and validate server configuration from environment variables
*/
export function loadConfig(): ServerConfig {
const transportType = (process.env.MCP_TRANSPORT || 'stdio').toLowerCase() as 'stdio' | 'http';
const config: ServerConfig = {
ollama: {
baseUrl: process.env.OLLAMA_BASE_URL || 'http://localhost:11434',
},
transport: {
type: transportType,
},
server: {
name: 'ollama-mcp-server',
version: '1.0.0',
},
};
// Add HTTP-specific configuration if using HTTP transport
if (transportType === 'http') {
const port = Number(process.env.PORT ?? process.env.MCP_HTTP_PORT ?? 8080);
if (Number.isNaN(port) || port <= 0) {
throw new Error('Invalid HTTP port specified for MCP server');
}
const allowedOrigins = process.env.MCP_HTTP_ALLOWED_ORIGINS
?.split(',')
.map((origin: string) => origin.trim())
.filter(Boolean);
config.transport.http = {
host: process.env.MCP_HTTP_HOST || '0.0.0.0',
port,
allowedOrigins,
enableDnsRebindingProtection: process.env.MCP_HTTP_ENABLE_DNS_PROTECTION === 'true',
};
}
return config;
}
/**
* Validate that all required configuration is present
*/
export function validateConfig(config: ServerConfig): void {
if (!config.ollama.baseUrl) {
throw new Error('OLLAMA_BASE_URL is required');
}
if (config.transport.type === 'http' && !config.transport.http) {
throw new Error('HTTP transport configuration is required when using HTTP transport');
}
}