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Studio Apps

registerMcpServer

Register MCP Server

Register an MCP server in The Cloud's registry so it can be mounted with mountMcpServer.

writeexternal

Ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "register this MCP server", and it calls registerMcpServer.

Example call

The MCP tools/call params, with the required arguments only.

{
  "arguments": {},
  "name": "registerMcpServer"
}

Arguments

• appIdstringoptionalA Studio app you administer: it serves its own tools, or its verbs when it is a verb pack.
• credentialstringoptionalExternal only: the bearer token the server expects. Sealed into your Studio secrets, never stored on the server row.
• exposurestringoptionalStudio apps only: who may mount it. private is you alone; shared adds the people the app is shared with (default); library adds App Library readers. Setting or changing it is the app owner's alone; an admin can refresh the snapshot at the…
• namestringoptionalExternal only: a display name.
• readOnlyToolsstring[]optionalExternal only: the tools you have checked only read. Every other tool is a write whatever the server's own hints say.
• slugstringoptionalExternal only: the namespace its tools mount under. Defaults from the URL host.
• urlstringoptionalExternal only: the server's streamable-HTTP MCP endpoint.

Returns

The registry does not declare a return shape.

Declared limits

• name: maximum length 80
• readOnlyTools: maximum items 100

Ask for it

The Cloud routes these requests to this verb.

• register this MCP server
• serve my app's tools
• add this MCP by URL
• share my verbs as a server

Pair it with

The verbs that finish the job.

• mountMcpServer
• listMountedServers
• listMcpServerReceipts
• shareStudioApp

Questions

• What does registerMcpServer do?

  Register an MCP server in The Cloud's registry so it can be mounted with mountMcpServer. It is one of the tools The Cloud MCP server gives every connected AI.

• How do I use registerMcpServer from Claude or ChatGPT?

  Connect your AI to The Cloud at https://mcp.thecloud.so/mcp and sign in once. Then ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "register this MCP server", and it calls registerMcpServer.

• Is registerMcpServer safe to let an AI call?

  registerMcpServer changes your workspace. What an AI creates is Private until you share it. It reaches a system outside The Cloud on your behalf.

Connect

One endpoint gives your AI this tool and every other one: connect Claude, ChatGPT, Cursor or Gemini, read what The Cloud is, or see pricing.