Add a custom connector to your AI app
Paste the tool’s address, sign in, select Allow.
Add it in Claude
Connect Claude to any tool that has a connector address. You add it once, on claude.ai or Claude Desktop, and it works in the Claude phone app too. These steps use Humble as the example.
Step 1: Open Customize
In Claude, select Customize in the sidebar.
Step 2: Open Connectors
Under the big Customize heading, select the Connectors tab.
Step 3: Add a custom connector
Select + Add, then Add custom connector.
Step 4: Name it and paste the address
Type a name for the tool, such as Humble. Paste the tool’s address into the box below it. For Humble, that is:
https://my.humbleai.com/mcpThen select Continue.Step 5: Scroll down and select Add
You do not need to change anything on the next screen. Scroll to the bottom and select Add.
Step 6: Sign in and select Allow
The tool’s sign-in page opens. Sign in if it asks, then select Allow. You go back to Claude, and Claude can now use the tool.
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Allow claude.ai to use your Humble account?On a Team or Enterprise plan, an owner adds the connector first, in Organization settings → Connectors. Then everyone else selects Connect. On the Free plan you can add one custom connector.
Steps last checked on 12 November 2026. Your app may look a little different. Open this guide on its own page.
Add it in ChatGPT
ChatGPT calls a custom connector a custom MCP server. You add it once on chatgpt.com, and it works in the ChatGPT apps too. These steps use Humble as the example.
Step 1: Open Plugins
In ChatGPT, open Plugins and select +.
Step 2: Add a custom MCP server
Select Add custom MCP server.
Step 3: Name it and paste the address
Type a name, such as Humble, and paste the tool’s address. For Humble, that is:
https://my.humbleai.com/mcpStep 4: Choose OAuth, then Allow
For sign-in, choose OAuth. Then sign in to the tool and select Allow. Some tools call it an unverified app, because they cannot check who made it. That is expected.
LinearYou need a paid ChatGPT plan. On some plans, turn on Developer mode in Settings first. On a Business or Enterprise plan, an admin may need to allow custom apps. ChatGPT asks you to confirm before it changes anything in the tool.
Steps last checked on 12 November 2026. Your app may look a little different. Open this guide on its own page.
Add it in Gemini
Gemini calls a custom connector a custom app. You add it on gemini.google.com. These steps use Humble as the example.
Google offers custom apps in Gemini only in some countries, such as the US. You need a personal Google account and a Google AI Pro or Ultra plan. It is not available in the UK or the EU yet. If you do not see Custom apps, use Claude or ChatGPT for now.
Step 1: Open Connected Apps
In Gemini, open Settings, then Connected Apps.
Step 2: Add a custom app
Under Custom apps, select Add a custom app.
Step 3: Paste the address
Paste the tool’s address. For Humble, that is:
https://my.humbleai.com/mcpLeave the client ID and secret empty.Step 4: Sign in and select Allow
Sign in to the tool and select Allow. Some tools call it an unverified app, because they cannot check who made it. That is expected.
Steps last checked on 12 November 2026. Your app may look a little different. Open this guide on its own page.
Add it in Claude Code
Claude Code adds a custom connector with one command in your terminal. These steps use Humble as the example.
Step 1: Run the command
In your terminal, run this command. For another tool, change humble to a short name for it, and the address to its address:
claude mcp add --transport http --scope user humble https://my.humbleai.com/mcpStep 2: Open /mcp and choose the tool
In Claude Code, type /mcp and choose the tool, such as humble.
Step 3: Sign in and select Allow
Sign in to the tool in your browser and select Allow. Some tools call it an unverified app, because they cannot check who made it. That is expected.
--scope user makes the tool work in every project. Leave it out to add it to this project only.
Steps last checked on 12 November 2026. Your app may look a little different. Open this guide on its own page.
What you need
- The tool’s connector address. It starts with https:// and often ends in /mcp.
- An account with the tool, so you can sign in to it.
- The right plan in your AI app. Some AI apps need a paid plan for custom connectors.
Questions about custom connectors
It links your AI app to another tool, so the AI can read and add things there. Most AI apps have a list of connectors you can add in one step. A custom connector is one you add yourself, with the tool’s address. Some apps call it an MCP server or a custom app.
Add only tools you trust. The tool asks you to sign in and select Allow before your AI app can use it, and the AI app sees only what your account can see.
Remove it from the connectors or apps list in your AI app. Then the AI app cannot use that tool any more.
Look in its settings for Connectors, Apps, Plugins or MCP. If it can add an MCP server with sign-in, the steps are much the same. Still stuck? Email hello@humbleai.com.
Need a hand?
Book a short call and we will add Humble to your AI app with you.