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open-webui-docs/docs/openapi-servers/open-webui.mdx
Timothy Jaeryang Baek f86ca696dd doc: openapi + open webui
2025-03-30 01:45:00 -07:00

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---
sidebar_position: 1
title: "🔗 Open WebUI Integration"
---
## Overview
Open WebUI v0.6+ supports seamless integration with external tools via the OpenAPI servers — meaning you can easily extend your LLM workflows using custom or community-powered tool servers 🧰.
In this guide, you'll learn how to launch an OpenAPI-compatible tool server and connect it to Open WebUI through the intuitive user interface. Lets get started! 🚀
---
## Step 1: Launch an OpenAPI Tool Server
To begin, you'll need to start one of the reference tool servers available in the openapi-servers repo. For quick testing, well use the time tool server as an example.
🛠️ Example: Starting the `time` server locally
```bash
git clone https://github.com/open-webui/openapi-servers
cd openapi-servers
# Navigate to the time server
cd servers/time
# Install required dependencies
pip install -r requirements.txt
# Start the server
uvicorn main:app --host 0.0.0.0 --reload
```
Once running, this will host a local OpenAPI server at http://localhost:8000, which you can point Open WebUI to.
![Time Server](/images/openapi-servers/open-webui/time-server.png)
---
## Step 2: Connect Tool Server in Open WebUI
Next, connect your running tool server to Open WebUI:
1. Open WebUI in your browser.
2. Open ⚙️ **Settings**.
3. Click on **Tools** to add a new tool server.
4. Enter the URL where your OpenAPI tool server is running (e.g., http://localhost:8000).
5. Click "Save".
![Settings Page](/images/openapi-servers/open-webui/settings.png)
---
## Step 3: Confirm Your Tool Server Is Connected ✅
Once your tool server is successfully connected, Open WebUI will display a 👇 tool server indicator directly in the message input area:
📍 You'll now see this icon below the input box:
![Tool Server Indicator](/images/openapi-servers/open-webui/message-input.png)
Clicking this icon opens a popup where you can:
- View connected tool server information
- See which tools are available and which server they're provided by
- Debug or disconnect any tool if needed
🔍 Heres what the tool information modal looks like:
![Tool Info Modal Expanded](/images/openapi-servers/open-webui/info-modal.png)
---
## Need More Tools? Explore & Expand! 🧱
The openapi-servers repo includes a variety of useful reference servers:
- 📂 Filesystem access
- 🧠 Memory & knowledge graphs
- 🗃️ Git repo browsing
- 🌎 Web search (WIP)
- 🛢️ Database querying (WIP)
You can run any of these in the same way and connect them to Open WebUI by repeating the steps above.
---
## Troubleshooting & Tips 🧩
- ❌ Not connecting? Make sure the URL is correct and accessible from the browser used to run Open WebUI.
- 🔒 If you're using remote servers, check firewalls and HTTPS configs!
- 📝 To make servers persist, consider deploying them in Docker or with system services.
Need help? Visit the 👉 [Discussions page](https://github.com/open-webui/openapi-servers/discussions) or [open an issue](https://github.com/open-webui/openapi-servers/issues).