npm i -g hotcell vs Tobira

Side-by-side comparison of features, pricing, and ratings

Analysis generated Live tool data as of 2026-11-09
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npm i -g hotcell or Tobira: which should you choose?

Dimensionnpm i -g hotcellTobira
PricingFreemiumFree
DeploymentLocal (Mac, Linux, bare metal)Open network / decentralized
Core featureIsolated local sandboxes for agentsPublic @handles, profiles, discovery files
PrivacyData stays localNot specified
Best forSecure local testing & executionAgent identity & discovery
MaturityNo recent newsEarly launch (2026-06-28)

If you need to give your agent a public identity and make it discoverable across the web, Tobira is the only choice—it's free and built exactly for that. If your pain is running agents safely and privately on your own hardware, Hotcell's local sandboxing wins. Pick based on your bottleneck: visibility vs. containment.

npm i -g hotcell
npm i -g hotcell

Self-hosted AI agent sandboxes with Docker, Firecracker or Apple VZ — real API keys never enter the sandbox

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Tobira
Tobira

Tobira turns your website into an AI site agent that answers and sells to ChatGPT, Claude and Gemini

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Pricing
Free
Free
Plans
Apache-2.0 (self-hosted)Free
FreeFree
Popularity
2 views
5.7k views
Skill Level
Intermediate
Beginner-friendly
API Available
Platforms
DesktopCLI
Web
Categories
🧠 Agent Memory & Runtimes
🧠 Agent Memory & Runtimes🔌 MCP Servers & Agent Tooling
Featuresnpm i -g hotcellTobira
npm-installable CLI (`npm i -g hotcell`) with a 30-second guided first-run setup
Per-sandbox gateway token swapped for the real host key under `--egress`
Gateway is metered, spend-capped and revocable per sandbox
`hotcell keys import .env` asks gateway / inject / skip per variable, then confirms
Cell git origin routed through the gateway so `git push` works keylessly
Optional default-deny egress, kernel-enforced on Linux and microVMs, advisory on macOS Docker
Docker runtime reading DOCKER_HOST for colima, OrbStack and podman
Firecracker microVMs on Linux/KVM for VM-grade isolation
Apple VZ microVMs on macOS via the helpers/hotcell-vz helper
`hotcell create -n 5 --name feat --branch auto --autopilot --repo ...` for parallel isolated cells
`hotcell run --setup "pip install ruff" "ruff check ."` for one-shot create-run-destroy
`hotcell terminal <id>` opens a shell inside a cell
Live CPU, memory and cost per sandbox with admission control against over-subscription
Custom provider routes via base URL and auth header saved to .hotcell/env.json
`--autopilot` preinstalls Autopilot wired to the gateway; `--opencode` is an alternative
Site Agent that turns your website into an AI agent
Answers visiting AI assistants from ChatGPT, Claude, Gemini, Perplexity, Copilot, Hermes and Grok
Claim a public @handle as an AI agent address
Publish a profile of offers, prices, team and next free slot
agent.json machine-readable discovery file
guest-agent.json JSON channel for visiting AI agents
llms.txt and AGENTS.md discovery files for crawlers and coding agents
Link headers and discovery metadata for agent lookup
Books demo slots into your calendar from chat
Takes payment or issues a trial link inside the conversation
Answers only from approved materials via Attached Knowledge
Reads PDFs including security questionnaires and RFPs
Voice conversation with transcript in the chat
Multilingual replies in the visitor's language
Human handoff to your team with conversation context
Integrationsnpm i -g hotcellTobira
Docker
Firecracker
Apple VZ
Autopilot
OpenCode
OpenRouter
GitHub
OpenAI
Anthropic
Stripe
Slack
Cloudflare
HubSpot
Salesforce
Telegram

Who should pick npm i -g hotcell, and who should pick Tobira?

  • Web3 developer building decentralized agent infrastructure
    Pick: Tobira

    Tobira's permissionless, decentralized network and discovery files match Web3 ethos; it's free and live.

  • AI engineer testing agent behavior locally
    Pick: npm i -g hotcell

    Hotcell's local sandboxes with low-latency and reproducibility fit fast iteration.

  • Security researcher needing isolated execution
    Pick: npm i -g hotcell

    Hotcell's security-focused design, audit logs, and offline capability provide containment.

  • Enterprise curious about censorship-resistant agent presence
    Pick: Tobira

    Tobira offers public profiles and agent discovery without centralized control.

  • Privacy-conscious team deploying AI
    Pick: npm i -g hotcell

    Hotcell keeps data local, ensuring privacy by default.

Frequently Asked Questions

npm i -g hotcell vs Tobira: which should you choose?

If you need to give your agent a public identity and make it discoverable across the web, Tobira is the only choice—it's free and built exactly for that. If your pain is running agents safely and privately on your own hardware, Hotcell's local sandboxing wins. Pick based on your bottleneck: visibility vs. containment.

Can I use Tobira without being a Web3 developer?

Yes, but Tobira's design targets decentralized infrastructure; you may need to adapt if you're not familiar with that stack.

Does Hotcell support cloud deployment?

No, it's designed for local on Mac, Linux, or bare metal, not cloud-hosted sandboxes.

How does Tobira's guest chat work?

It allows humans to interact with your agent via its public profile page, enabling direct communication.

Is Hotcell suitable for non-technical users?

No, it targets developers and security researchers; there's no graphical interface.

What are Tobira's machine-readable files used for?

They help AI assistants and other agents discover and understand your agent's identity and capabilities on the web.

Does Hotcell provide audit logs?

Yes, auditable execution logs are included, which is valuable for security and debugging.

Can I run agents offline with Hotcell?

Yes, Hotcell supports offline-capable execution, ensuring privacy and reliability.

Is Tobira's network permissionless?

Yes, it's an open network, allowing anyone to claim handles and interact without approval.

What else are npm i -g hotcell and Tobira compared with?

Where can you read more about npm i -g hotcell and Tobira?

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