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Description

21st is a development platform designed to help engineers quickly build and deploy AI agents inside their applications. The platform provides a specialized SDK that simplifies the process of defining agent behavior, integrating tools, and connecting AI models. Developers can create agents using familiar technologies such as Next.js, React, TypeScript, Python, and Node.js, making integration straightforward for modern applications. Once an agent is defined, the platform allows it to be deployed with a single command while automatically handling infrastructure requirements. 21st provides sandboxed execution environments through E2B sessions, ensuring that agent operations run securely and independently. The platform includes a ready-to-use chat interface component that can be embedded directly into an app for user interaction. Additional features include token streaming, conversation history, tool execution, and built-in observability for debugging and monitoring. Developers can replay sessions and trace tool calls to better understand how agents behave during execution. The system also supports spend limits, authentication controls, and rate limiting to manage AI usage across users. By combining development tools with managed infrastructure, 21st helps teams launch scalable AI agents without building complex backend systems.

Description

Butterbase serves as a backend solution tailored specifically for vibe coders. By integrating it with Claude Code, Cursor, or Windsurf through MCP, users can effortlessly set up their database, authentication, storage, and APIs simply by using a natural language prompt—eliminating the need for SQL, complex configurations, or any prior backend expertise. This innovative approach streamlines the development process, making it accessible to a broader audience.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Claude Code
Claude Desktop
Cline
Codex CLI
Cursor
GitHub Copilot
Kiro
Model Context Protocol (MCP)
React
Roo Code
TRAE
Tailwind CSS
Windsurf Editor
shadcn/ui

Integrations

Claude Code
Claude Desktop
Cline
Codex CLI
Cursor
GitHub Copilot
Kiro
Model Context Protocol (MCP)
React
Roo Code
TRAE
Tailwind CSS
Windsurf Editor
shadcn/ui

Pricing Details

Free
Free Trial
Free Version

Pricing Details

$0/month
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

21st.dev

Website

21st.dev/

Vendor Details

Company Name

Butterbase

Founded

2026

Country

United States

Website

butterbase.ai/

Product Features

Alternatives

Alternatives