Join Slack channel
Automatically join Slack channel on slack.com. Join a public channel (by name or id). Returns the channel id and name. Requires login.
Input
channel requiredChannel name/#name or id (C…).
workspaceDomain optionalWorkspace host, e.g. acme.slack.com. Defaults to the active workspace.
Output
ok requiredchannel requiredname optionalFAQ
Get Slack channel messages
Read a channel's message history by name (e.g. 'social' or '#social') or id (C…). Newest first; pass cursor to paginate, oldest/latest (unix ts) to bound the range. Authors are resolved to display names. Requires login.
List Slack invoices
List Slack billing statements from the workspace's billing history. Returns workspace, total and invoices (date, statement, billId, amount, status, description, pdfUrl) — metadata only. Feed a row's pdfUrl (or billId) to slack.com/download_invoice to fetch that statement's PDF. Requires a workspace billing admin; defaults to the primary workspace, or pass workspaceDomain (e.g. acme.slack.com).
Search Slack messages
Full-text search across the workspace's messages, supporting Slack's modifiers (from:@user, in:#channel, before:/after:date, "exact phrase"). One page per call. Requires login.
