Slack

Channel-based messaging platform

26 actions

12 triggers

Actions

Triggers

Name	Description
`new-message` Triggers when a new message is posted to any channel.	Triggers when a new message is posted to any channel.
`new-message-in-channel` Triggers when a new message is posted to a specific #channel you choose.	Triggers when a new message is posted to a specific #channel you choose.
`new-direct-message` Triggers when a message was posted in a direct message channel.	Triggers when a message was posted in a direct message channel.
`new_mention` Triggers when a username is mentioned.	Triggers when a username is mentioned.
`new-mention-in-direct-message` Triggers when a username is mentioned in a direct message channel.	Triggers when a username is mentioned in a direct message channel.
`new_reaction_added` Triggers when a new reaction is added to a message	Triggers when a new reaction is added to a message
`channel_created` Triggers when a channel is created	Triggers when a channel is created
`new_command` Triggers when a specific command is sent to the bot (e.g., @bot command arg1 arg2)	Triggers when a specific command is sent to the bot (e.g., @bot command arg1 arg2)
`new-command-in-direct-message` Triggers when a specific command is sent to the bot (e.g., @bot command arg1 arg2) via Direct Message.	Triggers when a specific command is sent to the bot (e.g., @bot command arg1 arg2) via Direct Message.
`new-user` Triggers when a new user is created / first joins your org.	Triggers when a new user is created / first joins your org.
`new-saved-message` Triggers when you save a message.	Triggers when you save a message.
`new-team-custom-emoji` Triggers when a custom emoji has been added to a team.	Triggers when a custom emoji has been added to a team.

Quick Start

TypeScript

import { WeavzClient } from '@weavz/sdk'

const weavz = new WeavzClient({ apiKey: 'wvz_...' })

const result = await weavz.actions.execute({
  integrationName: 'slack',
  actionName: 'slack-add-reaction-to-message',
  input: { /* ... */ },
  connectionId: 'conn_id',
  workspaceId: 'ws_id',
})

API Reference TypeScript SDK Python SDK All Features Pricing

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Frequently Asked Questions

How do I connect Slack to my app?

Use Weavz Hosted Connect for OAuth2 authentication. Install the SDK, create a connection through the connect portal or API, then execute actions programmatically.

What actions does Slack support?

Slack supports 26 actions including Add Reaction to Message, Send Message To A User, Send Message To A Channel, Request Approval from A User, Request Approval in a Channel, and more.

Can I use Slack with AI agents?

Yes. Add Slack to an MCP server in TOOLS mode or CODE mode. CODE mode provides 80-98% context reduction with 3 meta-tools for efficient agent access.

What authentication does Slack use?

Slack uses OAuth2. Weavz handles token management, refresh, and secure credential storage automatically.

How much does the Slack integration cost?

The Slack integration is included on all Weavz plans including the free tier with 1,000 actions per month. No credit card required.

What triggers does Slack support?

Slack supports 12 triggers including New Public Message Posted Anywhere, New Message Posted to Channel, New Direct Message, New Mention in Channel, New Mention in Direct Message, and more.

Connect Slack in 2 minutes

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Get Started Free Browse All Integrations

Name	Description
`slack-add-reaction-to-message` Add an emoji reaction to a message.	Add an emoji reaction to a message.
`send_direct_message` Send message to a user	Send message to a user
`send_channel_message` Send message to a channel	Send message to a channel
`request_approval_direct_message` Send approval message to a user and then wait until the message is approved or disapproved	Send approval message to a user and then wait until the message is approved or disapproved
`request_approval_message` Send approval message to a channel and then wait until the message is approved or disapproved	Send approval message to a channel and then wait until the message is approved or disapproved
`request_action_direct_message` Send a message to a user and wait until the user selects an action	Send a message to a user and wait until the user selects an action
`request_action_message` Send a message in a channel and wait until an action is selected	Send a message in a channel and wait until an action is selected
`uploadFile` Upload file without sharing it to a channel or user	Upload file without sharing it to a channel or user
`get-file` Return information about a given file ID.	Return information about a given file ID.
`searchMessages` Searches for messages matching a query	Searches for messages matching a query
`slack-find-user-by-email` Finds a user by matching against their email address.	Finds a user by matching against their email address.
`slack-find-user-by-handle` Finds a user by matching against their Slack handle.	Finds a user by matching against their Slack handle.
`find-user-by-id` Finds a user by their ID.	Finds a user by their ID.
`listUsers` List all users of the workspace	List all users of the workspace
`updateMessage` Update an existing message	Update an existing message
`delete-message` Deletes a specific message from a channel using the message's timestamp.	Deletes a specific message from a channel using the message's timestamp.
`slack-create-channel` Creates a new channel.	Creates a new channel.
`slack-update-profile` Update basic profile field such as name or title.	Update basic profile field such as name or title.
`getChannelHistory` Retrieve all messages from a specific channel ("conversation") between specified timestamps	Retrieve all messages from a specific channel ("conversation") between specified timestamps
`slack-set-user-status` Sets a user's custom status	Sets a user's custom status
`markdownToSlackFormat` Convert Markdown-formatted text to Slack's pseudo - markdown syntax	Convert Markdown-formatted text to Slack's pseudo - markdown syntax
`retrieveThreadMessages` Retrieves thread messages by channel and thread timestamp.	Retrieves thread messages by channel and thread timestamp.
`set-channel-topic` Sets the topic on a selected channel.	Sets the topic on a selected channel.
`get-message` Retrieves a specific message from a channel history using the message's timestamp.	Retrieves a specific message from a channel history using the message's timestamp.
`invite-user-to-channel` Invites an existing User to an existing channel.	Invites an existing User to an existing channel.
`custom_api_call` Make a custom API call to a specific endpoint	Make a custom API call to a specific endpoint