# directory.do > Build intelligent directory platforms with semantic search and real-time indexing. Deploy business listings, product catalogs, and service directories with <50ms global search performance. Smart Directory Platform with AI Search. Create directory listings with AI-powered semantic search and automatic categorization. Build professional directory platforms that understand user intent. directory.do is one of the primitives of Platform.do, in the Data layer (records, vocabulary and search). Every .do shares one grammar, Business-as-Code, and one SDK. ## Page - [directory.do](https://directory.do/): Directory.do - Create Smart Directory Listings | AI-Powered Search Platform ([Markdown](https://directory.do/index.md)) ## Business-as-Code - [What is Business-as-Code?](https://platform.do/business-as-code): the grammar every .do shares ([Markdown](https://platform.do/business-as-code.md)) - [Platform.do](https://platform.do/): infrastructure for autonomous business ([llms.txt](https://platform.do/llms.txt)) ## Docs - [Documentation](https://docs.platform.do): guides and reference for the whole platform - [SDK](https://docs.platform.do/sdk): TypeScript SDK, `import { on, send, db, $ } from 'sdk.do'` - [CLI](https://docs.platform.do/cli): the `do` command - [MCP](https://docs.platform.do/mcp): one MCP tool, `do`, that runs a script - [API](https://docs.platform.do/api): REST API ## Other Data primitives - [databases.do](https://databases.do) - [datasets.do](https://datasets.do) - [nouns.do](https://nouns.do) - [verbs.do](https://verbs.do) - [lists.do](https://lists.do) - [searches.do](https://searches.do) - [mdx.do](https://mdx.do) - [resources.do](https://resources.do) ## Optional - [Full text](https://directory.do/llms-full.txt): this index plus the page in full