21st21st.dev
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Related Products
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About
21st is a developer platform that provides the fastest way to add AI agents directly into applications. The platform offers an SDK that allows developers to define, deploy, and run AI agents with minimal infrastructure setup. Developers can integrate agents using popular frameworks such as Next.js, React, TypeScript, Python, and Node.js. 21st includes built-in features like chat interfaces, session history, tool execution, memory, and real-time streaming responses. The platform also manages backend components such as sandboxed execution environments, authentication, rate limits, and observability. With support for Claude Code and Codex runtimes, developers can build agents that interact with tools, files, and APIs securely. By handling infrastructure and deployment automatically, 21st enables teams to launch production-ready AI agents quickly.
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About
Butterbase is a backend-as-a-service (BaaS) platform purpose-built for developers and non-developers who build apps with AI coding tools. Connect Butterbase to your AI coding tool — Claude Code, Cursor, Windsurf, Codex, Copilot, or any MCP-compatible tool — and your entire backend is provisioned automatically. Describe what you need in natural language and get a production-ready Postgres database, authentication, REST APIs, real-time subscriptions, file storage, and edge functions in seconds. No SQL, no DevOps, no backend experience required.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Software developers, startups, and product teams that want a fast and scalable way to build and deploy AI agents inside their applications
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Audience
Butterbase is built for vibe coders, solo founders, indie hackers, non-technical builders, and small teams who want to ship full-stack applications without managing infrastructure. If you build frontends with AI coding assistants and need a backend that keeps up, Butterbase is the fastest path from idea to production.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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Pricing
$0/month
Butterbase offers a free tier to get started with no credit card required. Scale to production with usage-based pricing as your app grows.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Not Supported
In Person
Not Supported
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Company Information21st.dev
21st.dev/
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Company InformationButterbase
Founded: 2026
United States
butterbase.ai/
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Claude Code
Not Supported
Claude Desktop
Not Supported
Cline
Not Supported
Codex CLI
Not Supported
Cursor
Not Supported
Devin Desktop
Not Supported
GitHub Copilot
Not Supported
Grok Bot
Supported
Kiro
Not Supported
Model Context Protocol (MCP)
Not Supported
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Integrations
Claude Code
Supported
Claude Desktop
Supported
Cline
Supported
Codex CLI
Supported
Cursor
Supported
Devin Desktop
Supported
GitHub Copilot
Supported
Grok Bot
Not Supported
Kiro
Supported
Model Context Protocol (MCP)
Supported
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