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Adds a file from a remote service

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

Adds a file from a remote service [POST /files.remote.add]

Name on the gateway: slack_api__files_remote_add · may change things.

Parameters

Name	Type	Description
`token`	`string`	Authentication token. Requires scope: remote_files:write
`external_id`	`string`	Creator defined GUID for the file.
`title`	`string`	Title of the file being shared.
`filetype`	`string`	type of file
`external_url`	`string`	URL of the remote file.
`preview_image`	`string`	Preview of the document via multipart/form-data.
`indexable_file_contents`	`string`	A text file (txt, pdf, doc, etc.) containing textual search terms that are…

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__files_remote_add",
  "arguments": {}
}

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 adds a file from a remote service tool with token set to ….