---
title: add_toolbar_reaction
product: vercel
url: /docs/agent-resources/vercel-mcp/tools/toolbar/add_toolbar_reaction
canonical_url: "https://vercel.com/docs/agent-resources/vercel-mcp/tools/toolbar/add_toolbar_reaction"
last_updated: 2018-10-20
type: reference
prerequisites:
  - /docs/agent-resources/vercel-mcp/tools/toolbar
  - /docs/agent-resources/vercel-mcp/tools
related:
  []
summary: Use add_toolbar_reaction with Vercel MCP.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# add_toolbar_reaction

Add an emoji reaction to a message in a toolbar thread.

| Parameter   | Type   | Required | Default | Description                                                                                                                                                                            |
| ----------- | ------ | -------- | ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `threadId`  | string | Yes      | -       | The thread ID containing the message                                                                                                                                                   |
| `messageId` | string | Yes      | -       | The message ID to react to                                                                                                                                                             |
| `teamId`    | string | Yes      | -       | The team ID that owns the thread. Alternatively the team slug can be used. Team IDs start with 'team\_'. Can be found by reading `.vercel/project.json` (orgId) or using `list_teams`. |
| `emoji`     | string | Yes      | -       | The emoji to add as a reaction (e.g. 👍)                                                                                                                                               |

**Sample prompt:** "Add a 👍 reaction to message msg\_456 on toolbar thread tbt\_123"


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