Home / Servers / Vercel API / create_trace_session
Create a trace session token for a deployment
An MCP tool from the Vercel API server, hosted on mcp.hjlabs.in.
Create a trace session token for a deployment Mints a short-lived HS256 JWT scoped to a deployment hostname. The Vercel CLI presents this JWT to the Vercel proxy on requests it wants traced. [POST /v1/projects/traces/session]
Name on the gateway: vercel_api__create_trace_session · may change things.
Parameters
| Name | Type | Description |
|---|---|---|
teamId | string | The Team identifier to perform the request on behalf of. |
slug | string | The Team slug to perform the request on behalf of. |
projectId required | string | The project ID the deployment belongs to. |
hostname required | string | The deployment hostname to scope the trace session to. |
How to call it
Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:
{
"name": "vercel_api__create_trace_session",
"arguments": {
"projectId": "…",
"hostname": "…"
}
}Or connect the Vercel API server directly, which lists 472 tools including this one:
claude mcp add --transport http hj-vercel-api https://mcp.hjlabs.in/mcp/vercel-api \
--header "Authorization: Bearer YOUR_API_KEY"Try asking
Use the create a trace session token for a deployment tool with teamId set to ….