---
title: "tool si.session.sign_out"
description: "the session or the user: nothing."
section: reference
address: /reference/tools/si-session-sign_out
contract: 0476e35e6e275db5
---

# tool si.session.sign_out

the session or the user: nothing.

[figure: Over MCP, si.session.sign_out takes SignOutInput and returns a card whose body is Nothing.]

nothing. The call needs the read grant at the user rung.



| | |
|---|---|
| input | [SignOutInput](/concepts/signoutinput) |
| result | a card whose body is [Nothing](/concepts/nothing) |
| read-only | yes |
| destructive | no |
| card address | `ui://scale-intelligence/cards/Nothing` |
| HTTP route | [`/v1/session/sign_out`](/reference/session/sign_out) |





| field | type | required | note |
|---|---|---|---|
| `session` | `id` | no |  |
| `user` | `id` | no |  |