Slack User MCP Server

MIT License

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slack_add_reaction

Add a specific emoji reaction to a message in a Slack channel. Provide the channel ID, message timestamp, and emoji name to interact effectively.

Instructions

Add a reaction emoji to a message

Input Schema

Name	Required	Description
`channel_id`	Yes	The ID of the channel containing the message
`reaction`	Yes	The name of the emoji reaction (without ::)
`timestamp`	Yes	The timestamp of the message to react to

Input Schema (JSON Schema)

{
  "properties": {
    "channel_id": {
      "description": "The ID of the channel containing the message",
      "type": "string"
    },
    "reaction": {
      "description": "The name of the emoji reaction (without ::)",
      "type": "string"
    },
    "timestamp": {
      "description": "The timestamp of the message to react to",
      "type": "string"
    }
  },
  "required": [
    "channel_id",
    "timestamp",
    "reaction"
  ],
  "type": "object"
}

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