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1

Create a Trigger

MCP triggers can be created to run any time a client connects to the MCP server. This is useful for dynamic updating of server or tool instructions, as well as restricting tools based on the connecting user.Click the ⋮ icon in the top-right corner of your MCP server and select Triggers.Click Add Trigger to create a new MCP server trigger.
MCP servers currently only support one trigger per server.
2

Trigger Information

Give your trigger a name, description, and tags to help you identify it later. When you’re ready, click Save.mcp-servers-20260107-104410Select your newly created trigger to edit it.mcp-servers-20260107-104447
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Trigger Inputs

MCP Server triggers offer the following inputs: toolset
Contains the server information, such as the name and instructions.
{
  "id": 1,
  "name": "Server Name",
  "instructions": "Server Instructions"
}
tools[]
An object array that contains each tool.
[
  {
    "id": 1,
    "name": "Tool Name",
    "instructions": "Tool Instructions"
  },
  {
    "id": 2,
    "name": "Another Tool",
    "instructions": "Another Tool Instructions"
  }
]
You can modify the tools or toolset by building logic in the trigger to do so.