MCP Slack

Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/crunchtools-slack

About

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What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools

15 read · 2 write · 0 delete

Secrets

None asked for

Install scripts

None found

Runs as

Python package

Tools (17)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

• slack_auth_testread-only

  Test Slack authentication and get info about the token owner. Returns the authenticated user's ID, team ID, team name, username, and workspace URL. Use this to verify the connection is working.

• slack_cancel_scheduled_message

  Cancel a scheduled Slack message before it sends. Args: channel_id: Channel ID the message was scheduled in scheduled_message_id: The scheduled_message_id returned by slack_send_message Returns: Confirmation with scheduled_message_id

• slack_get_channel_historyread-only

  Get message history from a Slack channel. Args: channel_id: Channel ID (starts with C, D, or G) limit: Max messages to return, 1-1000 (default: 100) cursor: Pagination cursor from previous response oldest: Only messages after this timestamp (e.g., 1234567890.123456) latest: Only messages before this timestamp inclusive: Include messages at oldest/latest boundary Returns: List of messages with pagination metadata

• slack_get_channel_inforead-only

  Get detailed information about a Slack channel. Args: channel_id: Channel ID (starts with C, D, or G) Returns: Channel details including name, topic, purpose, member count

• slack_get_file_inforead-only

  Get metadata about a Slack file (no content download). Args: file_id: File ID (starts with F) count: Number of comments per page (default: 100) page: Page of comments (default: 1) Returns: File metadata, comments, and pagination info

• slack_get_reactionsread-only

  Get reactions for a specific Slack message. Args: channel_id: Channel ID (starts with C, D, or G) timestamp: Message timestamp (e.g., 1234567890.123456) full: If true, return complete reaction list for each emoji Returns: Message with its reactions

• slack_get_thread_repliesread-only

  Get replies in a Slack message thread. Args: channel_id: Channel ID (starts with C, D, or G) thread_ts: Timestamp of the parent message limit: Max replies to return, 1-1000 (default: 100) cursor: Pagination cursor from previous response oldest: Only replies after this timestamp latest: Only replies before this timestamp inclusive: Include messages at oldest/latest boundary Returns: List of thread messages with pagination metadata

• slack_get_user_inforead-only

  Get information about a Slack user. Args: user_id: User ID (starts with U, W, or B) Returns: User details including name, email, status, timezone

• slack_get_user_profileread-only

  Get a Slack user's profile information. Args: user_id: User ID (starts with U, W, or B) include_labels: Include custom profile field labels Returns: User profile with display name, status, image URLs, custom fields

• slack_list_channel_membersread-only

  List members of a Slack channel. Args: channel_id: Channel ID (starts with C, D, or G) limit: Max members to return, 1-1000 (default: 200) cursor: Pagination cursor from previous response Returns: List of member user IDs with pagination metadata

• slack_list_channelsread-only

  List channels in the Slack workspace. Args: types: Comma-separated channel types: public_channel, private_channel, mpim, im exclude_archived: Exclude archived channels (default: true) limit: Max results per page, 1-1000 (default: 200) cursor: Pagination cursor from previous response Returns: List of channels with pagination metadata

• slack_list_filesread-only

  List files in the Slack workspace (metadata only, no content download). Args: channel_id: Filter by channel ID user_id: Filter by uploader's user ID types: Filter by types (comma-separated: spaces, snippets, images, gdocs, zips, pdfs, all) count: Results per page, 1-100 (default: 100) page: Page number (default: 1) ts_from: Filter files created after this Unix timestamp ts_to: Filter files created before this Unix timestamp Returns: File metadata list with pagination info

• slack_list_reactionsread-only

  List reactions made by a user. Args: user_id: User ID to list reactions for (default: authenticated user) count: Results per page, 1-100 (default: 100) page: Page number (default: 1) full: If true, return complete reaction list Returns: Reaction items with pagination info

• slack_list_starsread-only

  List starred items for the authenticated user. Args: count: Results per page, 1-100 (default: 100) page: Page number (default: 1) cursor: Pagination cursor from previous response Returns: Starred items with pagination info

• slack_list_usersread-only

  List users in the Slack workspace. Args: limit: Max users to return, 1-1000 (default: 200) cursor: Pagination cursor from previous response Returns: List of workspace members with pagination metadata

Signals

Stars

2

Forks

0

Open issues

0

Weekly downloads

251

Last commit

Oct 21, 2026 (8 days ago)

Last release

Oct 20, 2026 (8 days ago)

Last package publish

Oct 20, 2026 (8 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Registry name

io.github.crunchtools/slack

Version

0.1.2

Auth

No auth

Packages

pypi mcp-slack-crunchtools

License

AGPL-3.0

Repository

github.com/crunchtools/mcp-slack

First seen

Oct 24, 2026

Last checked

Oct 25, 2026

Source

Official MCP Registrygithub-graphql