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Lists reactions made by a user.

An MCP tool from the Slack API server, hosted on mcp.hjlabs.in.

Lists reactions made by a user. [GET /reactions.list]

Name on the gateway: slack_api__reactions_list · read-only.

Parameters

Name	Type	Description
`token` required	`string`	Authentication token. Requires scope: reactions:read
`user`	`string`	Show reactions made by this user. Defaults to the authed user.
`full`	`boolean`	If true always return the complete reaction list.
`count`	`integer`	count parameter
`page`	`integer`	page parameter
`cursor`	`string`	Parameter for pagination. Set cursor equal to the next_cursor attribute…
`limit`	`integer`	The maximum number of items to return. Fewer than the requested number of…

Through the Smart Gateway, any client can run it by name with call_tool, or let the gateway find it with search_tools:

call_tool arguments

{
  "name": "slack_api__reactions_list",
  "arguments": {
    "token": "…"
  }
}

Or connect the Slack API server directly, which lists 174 tools including this one:

Run in your terminal

claude mcp add --transport http hj-slack-api https://mcp.hjlabs.in/mcp/slack-api \
  --header "Authorization: Bearer YOUR_API_KEY"

Use the lists reactions made by a user. tool with token set to ….