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Add an allowlist of IDP groups for accessing a channel

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

Add an allowlist of IDP groups for accessing a channel [POST /admin.conversations.restrictAccess.addGroup]

Name on the gateway: slack_api__admin_conversations_restrict_access_add_group · may change things.

Parameters

NameTypeDescription
token requiredstringAuthentication token. Requires scope: admin.conversations:write
team_idstringThe workspace where the channel exists. This argument is required for channels…
group_id requiredstringThe IDP Group ID to be an allowlist for the private channel.
channel_id requiredstringThe channel to link this group to.

How to call it

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__admin_conversations_restrict_access_add_group",
  "arguments": {
    "token": "…",
    "group_id": "…",
    "channel_id": "…"
  }
}

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"

Try asking

Use the add an allowlist of idp groups for accessing a channel tool with token set to ….

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