“code execution and sandboxes”

Open-source agent harness that runs the model loop for you, with MCP tools, skills, sandboxing, approvals and a chat UI.

Small Python library whose agents write their actions as code, with sandboxed execution and tools from MCP servers, LangChain or the Hub.

TypeScript library that lets agents call MCP and UTCP tools by running model-written code in a sandbox.

Open-source online code execution system that runs submitted code in a sandbox behind an HTTP JSON API.

Lightweight Python framework and starting template for agents that let the model choose its own approach to each task.

Policy enforcement, identity, sandboxing and reliability tooling for autonomous AI agents, installable with one pip command.