Sim Hosting Live In 5 Minutes

Sim hosting gives your team a self-hosted AI agent workflow builder on your own server. Deploy Sim v0.9.14 and build, run and schedule agent workflows on a visual canvas: xCloud runs PostgreSQL with pgvector, Redis, the realtime socket and the scheduler on a private network, generates the secrets, keeps accounts, workflows and uploads on persistent volumes and serves everything over HTTPS on one domain.

Deploy your Sim

No terminal
No technical skills needed
No lock-in, cancel anytime

What is Sim?

Self-hosted Sim is an AI agent workflow builder. Its README describes an open-source workspace to build, deploy and manage AI agents and workflows: connect 1,000+ integrations and every major LLM, build agents visually, conversationally or with code, ingest files and knowledge bases, and monitor runs, logs and schedules. It is used in place of a hosted automation service such as Zapier when workflows and their data should stay on your own server.

On xCloud the template runs Sim v0.9.14 as the web app, a realtime server, a scheduler and a migrations job, with PostgreSQL and pgvector and Redis, every image pinned by immutable digest. The postgres_data and uploads_data volumes persist accounts, workflows, knowledge bases and uploads. Everything is served over HTTPS on one domain. Sim is Apache-2.0 licensed, and its Enterprise features are not enabled.

From Sign-Up to a Live Sim Workspace In Just 3 Easy Steps

A Sim install normally means a web app, a realtime server, a scheduler, a vector-enabled database, Redis, a set of secrets, a domain and a certificate before the first workflow exists. This is the same result without assembling any of it.

Step 01
Sign Up
Create your xCloud account and pick Sim from the OneClick catalog. Choose your domain and server. There are no extra fields; xCloud generates the credentials and shows the database password and encryption key in the protected installation credentials.
Step 02
We Deploy It For You
One click. We bring up the Sim app, realtime server and scheduler with PostgreSQL 17 and pgvector and Redis on the private network, run the migrations, keep data on the postgres_data and uploads_data volumes and serve the app, API and socket over HTTPS on one domain.
Step 03
Create Your Account And Add A Model Key
Allow about five minutes for the first start to pull images and run migrations. Open the HTTPS URL, create your account from the sign-up page, add your model provider keys under Settings, then set DISABLE_REGISTRATION=true to close sign-up.

Everything Sim Does, On Your Own Server

Sim runs in full here: a visual agent workflow builder with its realtime and scheduling services, on a domain and a server you control.

Visual Workflow Canvas
Build agent workflows on a visual canvas from agent, tool and logic blocks.
Flexible Triggers
Start workflows from a schedule, a webhook, an API call or a deployed chat.
Knowledge Bases
Upload documents and search them by vector similarity, backed by the pgvector-enabled PostgreSQL in the same instance.
Live Collaboration
Work on the same canvas together through the realtime socket, served on the same HTTPS domain as the app.
Integrations And Models
Upstream lists 1,000+ integrations and every major LLM; you bring your own provider keys in Settings.
Runs And Logs
Monitor runs, logs, schedules and workflow activity; execution logs are kept in your own PostgreSQL database.

Everything You Need To Run Your AI Workflows 24/7

Managed hosting for Sim, so the parts that keep it online are not your problem.

Sim v0.9.14 deployed instantly
PostgreSQL with pgvector included
Secrets generated for you
Persistent database and uploads
Free SSL certificate
Server backups and snapshots
Server security updates included
30+ server locations
Unused balance refunded

What You Can Do With Sim

Automate a task with an AI agent
Chain agent, tool and logic blocks on the canvas so a model does the repetitive work between your systems.
Run workflows on a schedule or a webhook
Trigger the same workflow from a timer, an incoming webhook or an API call, without keeping a laptop open.
Answer questions from your own documents
Upload documents to a knowledge base and have workflows search them with vector search.
Keep agent data on your own server
Store accounts, workflows, execution logs and uploads in your own PostgreSQL database and upload folder.

Sim Screenshots

Sim visual workflow canvas with agent and tool blocks

A Sim workflow run completed successfully

The Sim workflow editor still showing the saved workflow after an xCloud Restart

Sim vs Alternatives

Zapier: If you automate tasks in Zapier today, Sim is the self-hosted route: the workflows, execution logs and knowledge bases sit in a PostgreSQL database on a server you control, and you bring your own model keys.
n8n: n8n has its own xCloud page. Sim is built around AI agent workflows, with knowledge bases and vector search on the same canvas.
Activepieces: Activepieces has its own xCloud page. Sim centres on agents and knowledge bases, with a realtime canvas for collaboration.
Langflow: Langflow has its own xCloud page. Compare the two templates for the integrations and triggers you need; Sim starts workflows from schedules, webhooks and an API.

Simple Pricing. Everything Included.

Dedicated Cloud VPS size, pre-configured for Sim hosting. Resize any time.

Cloud VPS 16 GB

Already Have a Server? Bring Your Own

Connect any VPS — DigitalOcean, Vultr, Linode, AWS, Hetzner or bare metal — and deploy Sim on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

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1 server
10 sites

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$4per server / month

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Unlimited sites
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Agency

The same platform, discounted at 11+ servers.

$3per server / month

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Unlimited sites
All features included
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Priced per connected server, so your rate adjusts automatically as you add or remove servers. You pay your own provider for the server itself.

Self-managed hosting

Ready To Run Your Own AI Workflow Platform?

Sim on xCloud runs on a dedicated Cloud VPS that we provision, patch, monitor and restore. Deploy faster. Own the server. Stay in control.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

How much RAM does Sim need?

The template's baseline asks for 2 CPU cores, 12 GB of RAM and 20 GB of disk, and QA measured about 1.75 GiB idle across all containers. Because the manifest floor is 12 GB, this page sells the 16 GB tier as the entry rung rather than a smaller size.

Is Sim open source?

Yes, with a caveat. Sim is Apache-2.0 licensed, per the LICENSE at the v0.9.14 tag, but its Enterprise features are under a separate licence and are not enabled in this template. xCloud charges for the dedicated Cloud VPS, not for the software.

Can you run Sim with Docker?

Yes, and this is Sim Docker hosting prepared for you. Upstream's own self-hosting wizard starts the published images with Docker Compose; the template runs those images, with PostgreSQL and pgvector and Redis, pinned by immutable digest, with two volumes and HTTPS on one domain.

Is there a default admin login in Sim?

No. Sim has no pre-created admin, and sign-up is open to anyone who can reach the URL, so create your own account right away. Afterwards set DISABLE_REGISTRATION=true in the Environment editor and redeploy to close sign-up for everyone else.

Does Sim need an AI provider key to start?

No. Add model provider keys inside Sim under Settings whenever you are ready; none is bundled. Sim Chat is optional and needs its own COPILOT_API_KEY from sim.ai, and without one you can set NEXT_PUBLIC_CHAT_DISABLED=true to hide the Chat module.

Who can run code on a self-hosted Sim server?

Anyone with an account can create workflows that run code and make outgoing HTTP requests from your server. Keep sign-up closed once your team is in, and give accounts only to people you would trust with that capability.

What runs alongside the Sim web app?

A realtime server for live canvas collaboration, a scheduler for scheduled workflows and polling triggers, PostgreSQL with pgvector, Redis, a migrations job and an nginx gateway. They all run privately inside the site with no host ports; only HTTPS on your domain is exposed.

Does Sim support knowledge bases and vector search?

Yes. Per its README Sim can ingest files and knowledge bases, and this template backs them with the pgvector-enabled PostgreSQL in the same install, so documents are searched by vector similarity without a separate vector database. They live on the postgres_data volume.

What should I back up on a Sim server?

A backup is both named volumes, postgres_data for accounts, workflows, knowledge bases and execution logs and uploads_data for uploaded files, plus the generated environment values. ENCRYPTION_KEY and API_ENCRYPTION_KEY must not change, or stored credentials become unreadable.

Backups in xCloud

How do I upgrade Sim?

Nothing upgrades it for you: the template pins Sim v0.9.14 by immutable digest. Read the upstream release notes, back up both volumes and the generated environment values, then adopt a newer template version when one is published, and recheck sign-in and a workflow run afterwards.

Is this Sim cloud hosting?

It is your own Sim on a dedicated Cloud VPS that xCloud provisions, not sim.ai, which is upstream's own hosted service. The containers, both volumes and your accounts belong to your install, and the app is served over HTTPS on your domain.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.