How tools work
A local model can answer from what you type. Tools let it also look things up or take an action outside the chat. MCP (Model Context Protocol) is the shared format for those tools. When Slack is connected, Slack tools are available to the model. In Chat, the model can pick a tool that fits your request. webAI runs that call on this computer and logs it under Recent tool actions. You do not pick the tool name yourself. You ask in Chat, and the model chooses when a tool helps. You can also assign a tool to a Persona so that Persona can use it. See Personas.Connect Slack
1
Open Online & Connectors
Click your name at the bottom of the sidebar, then Settings, then Online & Connectors.
2
Connect
Click Connect on Slack. A sign-in window opens.
3
Finish
Complete the sign-in. The Slack row shows Connected when it works.
What Slack can do
After Slack is connected, Chat can use these Slack tools. The names below are what appear under Recent tool actions.Search messages
Search messages
slack_search_messages searches your workspace for messages that match a topic, person, or keywords.Read a channel or DM
Read a channel or DM
slack_get_channel_history retrieves recent messages from one channel, group, or DM.List workspace channels
List workspace channels
slack_list_channels lists channels across the workspace.List your conversations
List your conversations
slack_list_user_conversations lists channels and DMs you are in.Look up a person
Look up a person
slack_lookup_users resolves a Slack person to an ID, name, and username.Post a message
Post a message
slack_post_message posts a message to a channel or DM. webAI asks you to approve before it sends.Disconnect Slack
Open the connected Slack row, then disconnect it. Confirm Disconnect. The saved Slack connection is removed. Chat can no longer use Slack tools until you connect it again.Action history
Recent tool actions lists tool attempts on this computer. Each row shows when it ran, the tool name, whether it was a read or a write, and the result. Slack reads show as Read. Posts and replies show as Write. Other tools can appear in this list too. For example, a web search can log here without a Slack connection. Click Clear to empty the list. That does not disconnect Slack.Common questions
How do I connect Slack?
How do I connect Slack?
Open Settings → Online & Connectors, click Connect on Slack, and finish sign-in. The row shows Connected when it works.
How do tools work in Chat?
How do tools work in Chat?
MCP (Model Context Protocol) is the shared format for tools. When Slack is connected, the model can pick a Slack tool that fits your request. webAI runs that call on this computer and logs it under Recent tool actions.
Can Chat post or reply in Slack?
Can Chat post or reply in Slack?
Yes, when those tools are available. slack_post_message and slack_reply_in_thread are write actions and require your consent before they run.
What is Action history?
What is Action history?
Recent tool actions lists recent tool calls from this computer so you can see what ran. Open Settings → Online & Connectors to review them.