# Next Level Builders

> A builder community and directory of human-reviewed software. Listings and rankings use published content and organic votes.

## Documentation

- [Home](https://nextlevelbuilder.io/index.md): Membership, founders, courses, the directory and pricing in one page.

- [Build with Us](https://nextlevelbuilder.io/build-with-us.md): Published directory and builder workflow.

- [Builder instructions](https://nextlevelbuilder.io/build-with-us/instructions.md): Product documents, submission and agent integrations.

- [REST API reference](https://nextlevelbuilder.io/api-docs.md): Endpoints, authentication and schemas.

- [Leaderboards](https://nextlevelbuilder.io/leaderboards.md): Daily, weekly and monthly rankings from organic votes.

- [Policies](https://nextlevelbuilder.io/policies.md): Community and publication rules.

- [Blog](https://nextlevelbuilder.io/blog.md): Build logs, product lessons and engineering notes.

- [Courses](https://nextlevelbuilder.io/courses.md): Recorded build sessions, sold per video or included with VIP.

- [Full content](https://nextlevelbuilder.io/llms-full.txt): Full public pages and approved product documents, including every block.

## Agent interfaces

- MCP server (streamable HTTP, OAuth or API key): https://mcp.nextlevelbuilder.io/mcp

- [MCP server card](https://nextlevelbuilder.io/.well-known/mcp.json): Server identity, transports, auth and links.

- [AI catalog](https://nextlevelbuilder.io/.well-known/ai-catalog.json): Every AI-facing interface of this domain.

- [OpenAPI](https://nextlevelbuilder.io/api/openapi.json): REST API description; [API catalog](https://nextlevelbuilder.io/.well-known/api-catalog) (RFC 9727).

- CLI: `npx @nextlevelbuilder/cli` (validate, preview and submit product.json). Local MCP: `npx -y @nextlevelbuilder/mcp`.

## Languages and access

English is unprefixed; Vietnamese pages use /vi. Append .md to any page URL (/index.md for the home page, /vi.md for the Vietnamese home). Private Markdown pages preserve sign-in and organization permissions and are never publicly cached.

## Published products

- [AgentKit](https://nextlevelbuilder.io/products/agentkit.md): Build your AI engineering system on a battle-tested foundation of agents, skills, and workflows. (Trust Score: 70/100)

- [multix](https://nextlevelbuilder.io/products/multix-cli.md): Generate and analyze media from the command line with a single, provider-aware interface. (Trust Score: 60/100)

- [Cloud Harness MCP](https://nextlevelbuilder.io/products/cloud-harness-mcp.md): Private remote coding harness for AI agents. (Trust Score: 60/100)

- [Design Studio AI](https://nextlevelbuilder.io/products/design-studio-ai.md): Open-source, agent-first design workspace for AI agents and humans. (Trust Score: 60/100)

- [AK Render](https://nextlevelbuilder.io/products/ak-render.md): HTML pages for coding agents, compiled from a short Page Spec. (Trust Score: 60/100)

- [3Dviz Pro Max](https://nextlevelbuilder.io/products/3dviz-pro-max.md): Turn an idea into a 3D scene worth exploring. (Trust Score: 60/100)

- [anymd](https://nextlevelbuilder.io/products/anymd.md): The web context layer for AI agents. (Trust Score: 60/100)

## Blog

- [Mới trong thư mục: sáu công cụ từ hệ sinh thái NLB](https://nextlevelbuilder.io/vi/blog/sau-cong-cu-tu-he-sinh-thai-nlb.md) (vi): multix, Cloud Harness MCP, Design Studio AI, AK Render, 3Dviz Pro Max và anymd đã có mặt trong thư mục. Cả sáu đều là mã nguồn mở theo giấy phép MIT.

- [Ra mắt sản phẩm từ terminal: NLB CLI + MCP](https://nextlevelbuilder.io/vi/blog/ra-mat-san-pham-tu-terminal.md) (vi): Tạo, kiểm tra, xem trước và gửi listing lên thư mục bằng CLI nlb, hoặc để AI agent làm việc đó qua NLB MCP server.

- [Giới thiệu Next Level Builders v2](https://nextlevelbuilder.io/vi/blog/gioi-thieu-next-level-builders-v2.md) (vi): Ngôi nhà mới cho người xây dựng: thư mục sản phẩm kiểm duyệt bởi con người, khóa học, blog dạng block và giao diện dành riêng cho AI agent, bằng tiếng Anh và tiếng Việt.

- [New in the directory: six tools from the NLB ecosystem](https://nextlevelbuilder.io/blog/six-tools-from-the-nlb-ecosystem.md) (en): multix, Cloud Harness MCP, Design Studio AI, AK Render, 3Dviz Pro Max and anymd are now listed. All six are open source under the MIT license.

- [Launch your product from the terminal: NLB CLI + MCP](https://nextlevelbuilder.io/blog/launch-your-product-from-the-terminal.md) (en): Create, validate, preview and submit a directory listing with the nlb CLI, or let your AI agent do it through the NLB MCP server.

- [Introducing Next Level Builders v2](https://nextlevelbuilder.io/blog/introducing-next-level-builders-v2.md) (en): A rebuilt home for builders: a human-moderated directory, courses, a block-based blog and first-class interfaces for AI agents, in English and Vietnamese.