"Slack" matching MCP tools:

• slack-writeA

  WayfrontA

  Update notification events and channels for an already-connected Slack workspace. Only listed events change; others remain unchanged. Slack must be connected and licensed. Connecting Slack requires the Wayfront interface.

  Connector

  Destructive

  OAuth

• slack-readA

  WayfrontA

  View notification settings and available events for an already-connected Slack workspace.

  ConnectorOAuth

• slack-webhook-shapeA

  Slack Webhook ShapeC

  Check a Slack webhook URL shape. Secret discarded.

  ConnectorNo auth

• slack-channel-okC

  Slack channel name shape, value discardedC

  Slack channel name shape, value discarded

  ConnectorNo auth

• slack_stdio_reauthA

  slack-stdio-mcpA

  Re-authorize expired Slack sessions by generating a clickable authorization URL. After the user approves, retry the previous Slack tool.

  MIT

• clear_usergroupA

  slack-mcpB

  Remove all members from a Slack usergroup by assigning a randomly selected deleted user, effectively clearing the group.

  MIT

  Destructive

• search_allA

  Slack MCP ServerA

  Find messages and files in Slack workspaces using search queries with customizable sorting and result limits.

  MIT

• check_loginA

  web-slack-mcpA

  Check if the browser session is logged into Slack. Navigates to Slack web client and reports login status without modifying the session.

  MIT

• slack_post_messageA

  mcp-slackA

  Post to Slack as yourself: send messages to channels or reply in threads.

  MIT

• slack_searchA

  mcp-slackA

  Search Slack messages across the workspace using native search syntax. Use operators like from:@user, in:#channel, and date filters to find where topics were discussed.

  MIT

• slack_statusA

  Claude Code ⇄ SlackA

  Check whether the Slack bridge is connected and working end to end: confirm the mention watcher is running, count queued messages, and list other projects on the same Slack app.

  MIT

• delete_messageA

  slack-bot-mcpA

  Deletes a Slack message the bot posted, using its channel and timestamp; Slack permits only bot-owned deletions, and this action is irreversible.

  MIT

  Destructive

• slack_list_workspacesA

  nomos-slack-mcpA

  List configured Slack workspaces to see aliases, team names, and identify the default workspace.

  MIT

• slack_download_fileA

  slack-personal-mcpB

  Download a Slack file by ID to a local folder and return the saved path; external files return their external URL instead.

  MIT

  Destructive

• fetchSlackProfileA

  patchwork-osB

  Retrieve connected Slack workspace name, team ID, and bot user ID to verify Slack integration status.

  MIT

• send_markdownA

  Slack MCP ServerA

  Convert Markdown to formatted Slack messages and send via incoming webhook. Handles headings, code blocks, tables, and splits long content with sequence headers.

  Apache 2.0

• slack_stdio_download_fileA

  slack-stdio-mcpA

  Download a Slack file to disk by file ID, writing bytes for large binaries and videos that metadata-only responses omit, and return the local path, MIME type, and size.

  MIT

• download_fileA

  slack-mcpA

  Retrieves a Slack file by its file ID using workspace credentials, returning image content inline and saving full-resolution or other files to organized local paths.

  MIT

• sendA

  Slack Notifier MCPA

  Send formatted Slack messages to channels or threads. Use urgency to add @here mentions for critical alerts, reply in threads, and @mention specific users. Supports Slack mrkdwn formatting.

  MIT

• slack_conversations_infoA

  slack-readonly-mcpA

  Retrieve channel metadata: name, topic, purpose, member count, and archived status for any Slack channel using its ID.

  MIT

• slack_auth_testA

  mcp-slack-crunchtoolsB

  Verify Slack authentication and retrieve the token owner's user ID, team ID, team name, username, and workspace URL to confirm the connection works.

  AGPL 3.0