List Slack pinned items
List a channel's pinned messages (by channel name or id). Returns each pin's ts, author (resolved to a name), text and type. Requires login.
Input
channel requiredChannel name/#name or id (C…).
workspaceDomain optionalWorkspace host, e.g. acme.slack.com. Defaults to the active workspace.
Output
pins requiredchannel requiredFAQ
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.
List Slack invoices
List Slack billing statements from the workspace's admin 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).
Send Slack message
Post a message to a channel or DM, identified by name ('social', '#social'), channel/DM id (C…/D…), or a user (@handle or U…) for a direct message. Pass threadTs to reply inside a thread (with broadcast to also send it to the channel). Returns the new message ts, channel id and permalink. Requires login.
