Connect an MCP server
Use the plug button next to the message box to add a remote MCP server so the model can reach its tools and data during the thread.
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Select the plug button next to the message box, choose Add MCP server, give it a Name and a Remote server URL, then select Add. The model can use that server for the rest of the thread.
The plug button reads Add MCP server while no server is active and Manage MCP servers once one is, with the number of active servers beside it. It appears only on models that support these servers.
Add a server
- Select the plug button next to the message box.
- Select Add MCP server.
- Name — letters, digits, hyphens and underscores, starting with a letter.
- Remote server URL — the full remote endpoint, for example an address ending in
/mcp. - Allowed tool names (optional) — a comma-separated list. A server can expose many tools; listing the ones you want keeps the thread to those. Leave it blank to accept the server's own default.
- Select Add.
The window states the scope plainly: Once added, this MCP server will be used for all subsequent assistant responses in this thread only, with no additional permission prompts.
That covers adding the server: you are not asked again to make it available to the thread. Individual tools can still ask before they run, if the server marks them that way.
Reuse a server in other threads
- Server library holds servers you have added before. Open it from the plug button and select Add on a row to make it active in this thread, or Remove to take it out.
- Turn on Make listed MCP servers global for new threads so the active servers carry into threads you start later. Threads that already exist keep what they had. You need at least one active server before the switch will turn on.
Approving a tool
Where a server asks for confirmation, a message names the server and asks whether to allow it. Choose Allow or Deny. Denying leaves the model to answer without that server.
Remove a server
Open the plug button, select the delete control on the server's row, then Done. Turning off the global switch also clears the active list.
If it did not work
- The plug button is missing: the model you are on does not support these servers. See Choose a model.
- Name must start with a letter or Name can only contain letters, digits, hyphens (-), and underscores (_): rename the server.
- Invalid URL format: paste the whole address, including the scheme.
- The model does not use the server's tools: check the server appears under MCP servers list, and that any list in Allowed tool names (optional) includes the tool you expect.
Pagine correlate
- Start a conversation in AI Studio — Open AI Studio, type your question in the message box, and press Enter. AI Studio creates a thread and streams the reply.
- Choose a model — Select the model name at the top of a thread, pick a group, then pick a model. A model picked from a provider group becomes your default.