import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { SearchBreweriesSchema, GetBreweryByIdSchema, GetRandomBrewerySchema } from './types.js';
import { OpenBreweryDBApi } from './api.js';
import { formatBreweries, formatBrewery } from './utils.js';
import { GetPromptResult } from '@modelcontextprotocol/sdk/types.js';
import z from 'zod';
/**
* Creates and configures an MCP server instance for interacting with the Open Brewery DB API.
*
* Registers resources, tools, and prompts for listing brewery types, retrieving brewery details by ID, searching breweries, fetching random breweries, and generating prompts for state-based searches.
*
* @returns The configured MCP server instance.
*/
export function createServer({ openBreweryApi }: { openBreweryApi?: OpenBreweryDBApi } = {}): McpServer {
// Create the MCP server
const server = new McpServer({ name: 'open-brewery-db-mcp', version: '1.0.0' });
// Initialize the Open Brewery DB API
openBreweryApi ??= new OpenBreweryDBApi();
// Add resources for brewery types and brewery lookups
server.resource('brewery/types', 'brewery://types', async uri => {
const breweryTypes = await openBreweryApi.listBreweryTypes();
return {
contents: [{
uri: uri.href,
text: 'Available brewery types:\n\n' + breweryTypes.map(type => `• ${type}`).join('\n'),
}],
};
});
server.tool('brewery/by-id', 'Get detailed information about a specific brewery by ID', GetBreweryByIdSchema.shape, async args => {
const brewery = await openBreweryApi.getBreweryById(args);
return { content: [{ type: 'text', text: formatBrewery(brewery) }] };
});
// Add tools using the high-level API
server.tool('brewery/search', 'Search for breweries by name, city, state, or type', SearchBreweriesSchema.shape, async args => {
const breweries = await openBreweryApi.searchBreweries(args);
return { content: [{ type: 'text', text: formatBreweries(breweries) }] };
});
server.tool('brewery/random', 'Get one or more random breweries.', GetRandomBrewerySchema.shape, async args => {
const breweries = await openBreweryApi.getRandomBrewery(args);
return { content: breweries.map(item => ({ type: 'text', text: formatBrewery(item) })) };
});
server.prompt('brewery/by-state', 'Search for breweries in a specified State', { state: z.string() }, ({ state }) => {
return {
messages: [
{
role: 'user',
content: {
type: 'text',
text: `Search for breweries in ${state}. You can use the \`brewery/search\` tool with \`by_state\` set to '${state}'.`,
},
},
],
} as GetPromptResult;
});
return server;
}
