MCP Server for Google Cloud Healthcare API

Instructions

Implementation Reference

• src/server/connectors/medical/FDA.ts:25-40 (handler)

  The primary handler for the 'get-drug-info' tool. It extracts the genericName from arguments, caches the result using CacheManager, fetches drug information by calling searchGenericName, and returns the JSON-formatted drug data.

  async getDrug(args: any, cache: CacheManager) {
    const { genericName} = args
    const cacheKey = cache.createKey('interactions', { genericName: genericName});
    
    const drug = await cache.getOrFetch(
      cacheKey,
      () => this.searchGenericName(genericName)
    );
  
    return {
      content: [{
        type: 'text',
        text: JSON.stringify(drug, null, 2)
      }]
    };
  }

• src/server/constants/tools.ts:223-233 (schema)

  The input schema and metadata definition for the 'get-drug-info' tool, specifying genericName as required string input.

  {
    name: 'get-drug-info',
    description: 'Get Drug details by a generic name',
    inputSchema: {
      type: 'object',
      properties: {
        genericName: { type: 'string' },
      },
      required: ['genericName']
    }
  },

• src/server/handlers/ToolHandler.ts:96-97 (registration)

  Registration and dispatch for 'get-drug-info' tool in the handleCall switch statement, delegating to FDA.getDrug method.

  case "get-drug-info":
    return await this.fdaApi.getDrug(request.params.arguments,this.cache);

• src/server/connectors/medical/FDA.ts:42-50 (helper)

  Supporting helper function that performs the actual FDA API query for drugs matching the generic name and returns the results.

  async searchGenericName(genericName: string): Promise<Generics[]> {
    const url = new URL(this.baseUrl);
    url.searchParams.append('search', `generic_name:"${genericName}"`)
    
    const response = await fetch(url);
    const data = await response.json() as FDAResponse;
  
    return data.results;
  }