Slack MCP Tools for AI Agents

Cancel an undelivered API-scheduled message using its schedule identifier.

Check the connected Slack account with broad access prepared up front.

Create a new canvas and optionally tab it in a channel or send it to people.

Create a channel with invitations and topic/purpose setup, or explicitly open/resume a DM or

Allocate a temporary upload_url and file_id for a client to upload bytes.

Create a new list with typed columns and choices, returning its F-prefixed list ID.

Create one typed list record or subtask and return its new Rec-prefixed record ID.

Schedule a future message or thread reply and return the scheduled_message_id used for

Permanently delete an entire canvas.

Permanently delete files, with one confirmed, rejected or unknown outcome per file.

Permanently delete list records, with one confirmed, rejected or unknown outcome per ID.

Permanently delete an existing message the authenticated account may delete.

Read bounded private file text and open a preview/download App.

Complete previously uploaded file bytes and optionally share the files in a conversation or

Post an attributed text copy with a link to the original message.

Prepare a Markdown message draft for review and return its text and targeting fields.

Read a known canvas as Markdown in bounded parts.

Read one conversation's topic, purpose, membership and available activity/read-state

Read a list's metadata, typed column schema and records in Slack's row order, or one exact

Read one exact message's complete text, including forwarded text, in bounded parts with file

Read a thread's parent and replies, including a parent with no replies.

Read one person's detailed profile, including status, pronouns, timezone and labeled custom

Invite users to a Slack channel or MPIM (multi-person direct message).

Invite people to an existing channel and report per-person outcomes.

List a conversation's member identities in Slack's order, retaining inaccessible profiles as

Get messages in a Slack Channel, DM (direct message) or MPIM (multi-person) conversation.

Get the users in a Slack conversation (Channel, DM/IM, or MPIM) by its ID or by channel name.

List conversations the authenticated user belongs to, in Slack's order, including archived

Read conversation history newest first, with message references, author names, file IDs and

List compact pinned messages and files in Slack's order, with references for reading their

Read a message's reaction names, authoritative counts and optional user samples.

List pending schedules visible to this API/token, with each page sorted by delivery time,

Get messages in a Slack thread.

List workspace accounts with compact identity fields in Slack's order.

Mark conversations read through the supplied messages for the authenticated user, returning

Add or remove your own reactions with per-item outcomes.

Create a replacement list schema and copy active typed records incrementally, retaining the

Look up section IDs inside one canvas for targeted content edits.

Search accessible Slack messages, files, channels or people, including unjoined channels,

Find workspace custom emoji names and aliases, sorted by name, for use when adding

Find files by classic Slack search with short excerpts, file IDs and permalinks, including

Search message text with classic Slack search, including when Slack AI real-time search is

Search messages, files, channels or people in public channels through Slack real-time

Find matching people and return all visible candidates rather than choosing an ambiguous

Send messages now, including thread replies, and return each posted reference or failure.

Share an existing canvas by posting its link before granting access, with an outcome per

Apply one canvas content edit or rename.

Update an existing list's name, description or task mode without replacing its column

Update selected typed cells in one existing record, preserving omitted cells.

Replace an editable message's text and retain its reference.

Upload supplied content or open a local file picker without uploading anything.

Identify the authenticated Slack account and its workspace, timezone and compact profile.