# SDK SDK

> Public SDK directory and documentation. Read-only MCP endpoint: https://sdk-sdk.com/mcp (no authentication). Protocol: 2026-07-28, with legacy compatibility.

## Pages

- [SDK SDK — Find and compare SDKs](https://sdk-sdk.com/): Libraries for email, search, databases, and more. Compare providers, capabilities, and installation options.
- [SDK directory](https://sdk-sdk.com/sdks): Browse SDKs by category, search packages and providers, and compare unified SDKs, provider clients, and toolkits. An independent, source-attributed developer directory.
- [Compare SDKs](https://sdk-sdk.com/sdks/compare): Compare SDK approaches, packages, provider coverage, features, and caveats side by side using source-attributed directory entries.
- [About SDK SDK](https://sdk-sdk.com/about): Find SDKs, compare their capabilities, and follow their official sources.
- [Introduction](https://sdk-sdk.com/docs): A practical field guide to finding, choosing, and working with SDKs.
- [Quickstart](https://sdk-sdk.com/docs/quickstart): Go from a provider decision to your first real API call with Resend.
- [Choosing an SDK](https://sdk-sdk.com/docs/choosing-an-sdk): Evaluate the runtime, API surface, maintenance, and tradeoffs that matter to your application.
- [Provider configuration](https://sdk-sdk.com/docs/provider-configuration): Make credentials, environments, and provider selection explicit.
- [Capabilities](https://sdk-sdk.com/docs/capabilities): Model what a provider actually supports without hiding meaningful differences.
- [Testing & mocks](https://sdk-sdk.com/docs/testing): Build deterministic tests at your application's integration boundary.
- [Retries & fallbacks](https://sdk-sdk.com/docs/fallbacks): Design recovery around deadlines, duplicate effects, cost, and privacy.
- [Search](https://sdk-sdk.com/docs/search): Keep search snippets, extracted page content, and generated answers distinct.
- [Database](https://sdk-sdk.com/docs/database): Choose a database client without flattening transactions, authorization, or query semantics.
- [Editorial criteria](https://sdk-sdk.com/docs/contributing): How we evaluate source-backed SDK recommendations and corrections.
- [MCP server](https://sdk-sdk.com/docs/mcp): Connect an AI agent to the public SDK catalog and documentation over Model Context Protocol.
- [searchSDK](https://sdk-sdk.com/sdks/searchsdk): Search across providers from twelve language and platform SDKs.
- [dbSDK](https://sdk-sdk.com/sdks/dbsdk): Create, manage, and query PostgreSQL databases through one typed SDK.
- [Email SDK](https://sdk-sdk.com/sdks/email-sdk): One typed email API over multiple delivery providers.
- [Social SDK](https://sdk-sdk.com/sdks/social-sdk): Typed social integrations with direct and managed routes.
- [Domain SDK](https://sdk-sdk.com/sdks/domain-sdk): A shared lifecycle for customer domains on hosting platforms.
- [Sandbox SDK](https://sdk-sdk.com/sdks/sandbox-sdk): A shared API for local and hosted code sandboxes.
- [SMS SDK](https://sdk-sdk.com/sdks/sms-sdk): One transactional SMS API across six messaging providers.
- [Resend Node.js SDK](https://sdk-sdk.com/sdks/resend): Resend's official client for its email API.
- [Cloudflare TypeScript SDK](https://sdk-sdk.com/sdks/cloudflare): Cloudflare's official API client, including DNS and zones.
- [E2B Code Interpreter](https://sdk-sdk.com/sdks/e2b-code-interpreter): E2B's native SDK for stateful sandboxed code execution.
- [Files SDK](https://sdk-sdk.com/sdks/files-sdk): A common file API across object and blob storage backends.
- [AWS SDK for JavaScript — S3](https://sdk-sdk.com/sdks/aws-s3): AWS's official modular JavaScript client for Amazon S3.
- [UploadThing](https://sdk-sdk.com/sdks/uploadthing): Typed file upload routes and clients for web applications.
- [Twilio Node.js SDK](https://sdk-sdk.com/sdks/twilio): Twilio's official server-side API helper library.
- [Search SDK by Plust](https://sdk-sdk.com/sdks/plust-search-sdk): An independent adapter library for multiple web search APIs.
- [Tavily JavaScript SDK](https://sdk-sdk.com/sdks/tavily): Tavily's official web search and extraction client.
- [Exa JavaScript SDK](https://sdk-sdk.com/sdks/exa): Exa's official client for AI-oriented web search.
- [Brave Search MCP Server](https://sdk-sdk.com/sdks/brave-search-mcp): Brave's official search integration for MCP clients.
- [Firecrawl Node SDK](https://sdk-sdk.com/sdks/firecrawl): Firecrawl's official web search, scrape, and crawl client.
- [Prisma ORM](https://sdk-sdk.com/sdks/prisma): A typed data layer with contracts, queries, and migrations.
- [Drizzle ORM](https://sdk-sdk.com/sdks/drizzle): A TypeScript ORM with SQL-like and relational query APIs.
- [Supabase JavaScript Client](https://sdk-sdk.com/sdks/supabase): Supabase's official client for its backend services.
- [Neon Serverless Driver](https://sdk-sdk.com/sdks/neon): Neon's PostgreSQL driver over HTTP and WebSockets.
- [Kysely](https://sdk-sdk.com/sdks/kysely): A type-safe SQL query builder for TypeScript.

Full text: https://sdk-sdk.com/llms-full.txt