E2B
SDK / ToolOpen-source secure sandboxes where AI agents run code — the de facto execution layer for agent apps.
- sandbox
- code-execution
- sdk
- agents
The leading third-party MCP server registry — thousands of servers with managed install and OAuth.
Smithery is the leading third-party registry for MCP servers: thousands of listed servers, each with standardized install commands, managed OAuth/credentials, and a CLI (npx @smithery/cli) that wires servers into Claude Code and other clients. Now part of Arcade — the commercial complement to the official MCP Registry.
Charted
Open-source secure sandboxes where AI agents run code — the de facto execution layer for agent apps.
Pythonic framework for building MCP servers — decorators, type hints, and zero boilerplate.
Anthropic's official TypeScript SDK for building agentic applications.