Alternatives to CubeSandbox

Arcade is the MCP authorization runtime that sits between your AI agents and the systems they act in, enforcing per-user permissions and logging every action.

Tobira gives AI agents public addresses: @handles, guest chat, and agent.json discovery files for machine-readable lookup.

Mem0 is an AI memory layer that gives agents and apps persistent context across sessions

Managed MCP gateway and API that gives Claude, ChatGPT, Cursor, and Codex secure tool access to 1,500+ apps.

Open-source agent memory that learns from mistakes and carries the lesson into the next session

Granica is an efficiency layer for enterprise AI: Crunch compresses and maintains tabular data lakes inside your cloud, and Myelin keeps long-running agents

Zep Memory gives production AI agents governed long-term memory through temporal context graphs.

Personal AI is an AI memory platform that turns every carrier network identity into a persistent agent.

Agno is an open-source Python SDK for building multi-agent systems you run as a governed AgentOS runtime in your own cloud.

KlavisAI builds live Dockerized environments and agentic tool-use datasets for training AI agents on long-horizon coding and tool-use tasks.

Letta builds stateful AI agents with persistent memory, identity and skills that survive across sessions and model swaps.

Live, deterministic environments for training AI agents on coding and agentic tool-use tasks.

Developer observability platform that traces, replays, and debugs AI agent runs across OpenAI, CrewAI, Autogen and 400+ LLMs

Run AI-generated code in isolated sandboxes that start in under 90ms, billed per second with $200 in free compute.

MemOS is a memory management operating system that gives AI agents persistent long-term memory via a cloud API or a fully local runtime.

Open-source memory platform giving AI agents graph-based, relationship-aware recall with citations.

Open-source memory runtime that keeps your coding agent's context alive between sessions, with no external database to run.

Mnemosyne is a local-first AI agent memory layer: one pip install for SQLite-backed persistent recall with sub-millisecond queries.

E2B runs isolated Linux sandboxes so AI agents can execute code, process data, and use tools safely.

Open-source backend runtime that gives LLMs persistent memory, hot-swappable plugins and multi-agent coordination via the VCP protocol.

In-memory graph database that supplies structured context to AI systems and runs real-time graph analytics on the same engine.

Novita AI is the AI-native cloud for developers — 200+ open-weight models via one API, an Agent Sandbox, and per-second H200/H100 GPUs.

Open-source local-first AI memory that stores every conversation verbatim in a method-of-loci palace on your machine.

Declarative agent infrastructure where autonomous agents spend money, hold real-world identity, and run under policy committed to code.

Portable, encrypted memory that follows you across ChatGPT, Claude, Codex, Gemini and any API model.

Vercel deploys web apps and AI agents from Git, with preview URLs, a global CDN, sandboxed VMs, and one AI Gateway to hundreds of models.

Fly.io runs AI agent sandboxes on hardware-isolated Linux VMs called Sprites that checkpoint automatically and bill by the second.

AnyCap gives coding agents image, video, music, voice, search, social, and storage through one CLI and one prepaid credit balance.

Open-source, self-hosted memory layer that gives AI agents persistent recall via hybrid retrieval.

Unabyss gives every AI agent one shared, live memory built from Slack, Gmail, Notion, and GitHub — so you stop re-explaining yourself.