What does messageSession do?

Send a message from one of YOUR sessions to another one, across machines. It is one of the tools The Cloud MCP server gives every connected AI.

How do I use messageSession 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 "tell the other session", and it calls messageSession.

Is messageSession safe to let an AI call?

messageSession changes your workspace. What an AI creates is Private until you share it.

Agents & Machines

`messageSession`

Message a Session

Send a message from one of YOUR sessions to another one, across machines.

write

Ask Claude, ChatGPT, Cursor or any AI connected to The Cloud "tell the other session", and it calls messageSession.

Example call

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

{
  "arguments": {
    "body": "<body>",
    "fromConversationId": "<fromConversationId>",
    "toConversationId": "<toConversationId>"
  },
  "name": "messageSession"
}

Arguments

bodystringrequiredWhat to say, written as a self-contained paragraph the receiving session can act on without your context. It is delivered inside that session's next turn, where the only framing it gets is the sender and the time this verb adds.
fromConversationIdstringrequiredThe session SPEAKING: its conversationId, which for a session messaging on its own behalf is the chat it is running in. It is what the delivered line names as the sender, and where the sent copy is recorded.
toConversationIdstringrequiredThe session to reach: its conversationId (from listSessions). A target that has handed off is refused naming its successor.

Returns

The registry does not declare a return shape.

Declared limits

body: minimum length 1

Ask for it

The Cloud routes these requests to this verb.

tell the other session
send this to session 32
message the Mini lane
hand this back to the lead
ask that session for its result

Pair it with

The verbs that finish the job.

Questions

What does messageSession do?
Send a message from one of YOUR sessions to another one, across machines. It is one of the tools The Cloud MCP server gives every connected AI.
How do I use messageSession 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 "tell the other session", and it calls messageSession.
Is messageSession safe to let an AI call?
messageSession changes your workspace. What an AI creates is Private until you share it.

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.