--- title: "Connect Slack to Writer - APIANT.ai" description: "When \"New Channel\" fires in Slack, your agent runs \"Add file\" in Writer. Describe the whole flow and it is built, tested on every scenario and kept running." canonical: "https://apiant.ai/connect/slack-to-writer" --- # Connect Slack to Writer When **New Channel** fires in [Slack](https://apiant.ai/connections/slack), your agent runs **Add file** in [Writer](https://apiant.ai/connections/writer). Describe the whole flow and it is built, tested on every scenario and kept running. Slack **15** triggers Slack **60** actions Writer **16** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Slack and Writer to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What Slack can start in Writer - When **New Channel** in Slack then **Add file** in Writer - When **New Channel Member** in Slack then **Add file to knowledge graph** in Writer Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with Slack and Writer ## Triggers and actions 15 triggers · 76 actions - Trigger **New Channel** Triggers when a new channel is created in the workspace. - Trigger **New Channel (instant)** Triggers when a new channel is created (Slack event channel_created). - Trigger **New Channel Member** Triggers when a member joins a chosen channel (Slack event member_joined_channel). - Trigger **New File (instant)** Triggers when a new file is uploaded to the workspace (Slack event file_created). - Trigger **New Mention (instant)** Triggers when a username or keyword is mentioned in a channel. Events API message events with keyword filter. - Trigger **New Message Posted to Channel** Triggers when a message is posted to a chosen channel (Slack event message.channels). - Trigger **New Message Posted to Private Channel** Triggers when a message is posted to a chosen private channel or group DM (Slack events message.groups, message.mpim). - Trigger **New Pinned Item** Triggers when an item is pinned in a channel. - Trigger **New Public Message Posted Anywhere** Triggers when a message is posted to any public channel (Slack event message.channels). - Trigger **New Reaction Added** Triggers when an emoji reaction is added to a message (Slack event reaction_added). - Trigger **New Saved Message** Triggers when a message or file is saved (starred) (Slack event star_added). - Trigger **New Team Custom Emoji** Triggers when a custom emoji is added to the workspace (Slack event emoji_changed). - Trigger **New Thread Reply** Triggers when a new reply is added to a message thread. - Trigger **New User** Triggers when a new user joins the workspace. Polling; deduped by user id. - Trigger **New User (instant)** Triggers when a new user joins the workspace (Slack event team_join). - Action **Add Bookmark** Add a bookmark to a channel. - Action **Add Reaction** Add an emoji reaction to a message. - Action **Add Star** Save a message or file by starring it. - Action **Archive Channel** Archive a channel. - Action **Complete Reminder** Mark a reminder as complete. - Action **Create Canvas** Create a standalone canvas document. - Action **Create Channel** Create a new public or private channel. - Action **Create Channel Canvas** Create a canvas attached to a channel. - Action **Create Reminder** Create a reminder for a user at a specified time. - Action **Delete Canvas** Delete a canvas. - Action **Delete File** Delete a file from the workspace. - Action **Delete Message** Delete a message from a channel by timestamp. - Action **Delete Reminder** Delete a reminder. - Action **Delete Scheduled Message** Cancel a scheduled message before it is sent. - Action **Edit Bookmark** Edit an existing channel bookmark. - Action **Edit Canvas** Edit the content of a canvas. - Action **Find Channel by Name** List channels filtered to locate a channel by name (client filters the returned list). - Action **Find User by Email** Look up a Slack user by their email address. - Action **Get Channel Messages** Fetch the message history of a channel. - Action **Get File Info** Get information about a file. - Action **Get Message Permalink** Get a permanent link to a specific message. - Action **Get Message Reactions** Get the emoji reactions on a message. - Action **Get Team Info** Get information about the workspace. - Action **Get Thread Replies** Get the replies in a message thread. - Action **Get User Info** Get profile information for a Slack user by ID. - Action **Get User Presence** Get a user's current presence status. - Action **Get User Profile** Get a user's profile fields. - Action **Invite User to Channel** Invite one or more users to a channel (comma-separated user IDs). - Action **Join Channel** Join a public channel. - Action **Leave Channel** Leave a channel. - Action **List Bookmarks** List the bookmarks in a channel. - Action **List Channel Members** List the members of a channel. - Action **List Channels** List channels in the workspace (public and private). - Action **List Custom Emojis** List the workspace's custom emojis. - Action **List Files** List files in the workspace, optionally filtered by channel or user. - Action **List Pinned Items** List the items pinned in a channel. - Action **List Scheduled Messages** List messages scheduled to be sent later. - Action **List User Groups** List the workspace's user groups. - Action **List Users** List all users in the workspace. - Action **List User's Channels** List the channels a user is a member of. - Action **Mark Channel Read** Set the read cursor position in a channel. - Action **Pin Message** Pin a message to a channel. - Action **Remove Bookmark** Remove a bookmark from a channel. - Action **Remove Reaction** Remove an emoji reaction from a message. - Action **Remove Star** Remove a star from a message or file. - Action **Remove User from Channel** Remove a member from a channel. - Action **Rename Channel** Rename a channel. - Action **Schedule Message** Schedule a message to be sent to a channel at a future Unix time. - Action **Search Files** Search files across the workspace. - Action **Search Messages** Search messages across the workspace. - Action **Send Direct Message** Open a DM with a user and post a message to it. - Action **Send Ephemeral Message** Send a message in a channel that is visible only to one user. - Action **Send Message** Post a message to a channel, private group, or DM. - Action **Set Channel Purpose** Set the purpose (description) for a channel. - Action **Set Channel Topic** Set the topic for a channel. - Action **Set User Presence** Set the authenticated user's presence status. - Action **Unarchive Channel** Restore an archived channel. - Action **Unpin Message** Remove a pinned message from a channel. - Action **Update Message** Update an existing message in a channel by timestamp. - Action **Upload File** Upload a file and share it to one or more channels. - Action **Add file** Uploads a file (PDF, Word, PowerPoint, image, email, HTML, subtitle, CSV or Excel) to your Writer account, optionally attaching it to a Knowledge Graph. - Action **Add file to knowledge graph** Adds an uploaded file to a Writer Knowledge Graph. - Action **Add knowledge graph** Create a new Knowledge Graph. - Action **Ask knowledge graph** Ask a natural-language question against a Knowledge Graph and get an answer with citations. - Action **Delete file** Permanently delete a file from Writer. This cannot be undone. - Action **Delete file from knowledge graph** Remove a file from a Knowledge Graph. The file remains in your Writer files. - Action **Delete knowledge graph** Delete a Writer Knowledge Graph. - Action **Generate chat completion** Generate a multi-turn chat completion from a list of messages, distinct from the existing single-prompt Send Prompt/Text generation op. - Action **Get file** Retrieve a file's details, including its name, processing status, and the Knowledge Graphs it belongs to. - Action **Get knowledge graph** Retrieve a Writer Knowledge Graph by its id, including file processing status and connected web URLs. - Action **List knowledge graphs** Retrieve a list of Knowledge Graphs. By default only org-wide Knowledge Graphs are returned; supply team IDs to include graphs deployed to those teams. - Action **List models** Lists the models available to your Writer account for text generation, chat completions and other AI tasks. - Action **Parse PDF** Parse a PDF document into structured text. - Action **Search web** Searches the web for a query using Writer's web search tool and returns a generated answer with the source URLs it drew on. - Action **Send Prompt** Generates text from a single prompt with a Writer Palmyra model (or an external model configured for your organization), without conversational context. - Action **Update knowledge graph** Update a Knowledge Graph's name/description. ## Each app on its own - [ **Slack** Slack is a messaging platform for teams. Post messages, manage channels, users, reminders, and react to...](https://apiant.ai/connections/slack) - [ **Writer** Writer is a generative AI platform built for the needs of companies and teams.](https://apiant.ai/connections/writer) Reviews ## What our customers say ## More from Slack - [ **Slack to HubSpot** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/slack-to-hubspot) - [ **Slack to Google Sheets** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/slack-to-google-sheets) - [ **Slack to Gmail** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/slack-to-gmail) - [ **Slack to Google Drive** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/slack-to-google-drive) - [ **Slack to QuickBooks Online** QuickBooks Online accounting — manage customers, invoices, bills, payments, vendors, expenses, and more via...](https://apiant.ai/connect/slack-to-quickbooks-online) - [ **Slack to Pipedrive** Pipedrive is a sales CRM and pipeline management tool.](https://apiant.ai/connect/slack-to-pipedrive) ## More into Writer - [ **Order Desk to Writer** Order Desk's order management software allows you to customize your order management workflow.](https://apiant.ai/connect/order-desk-to-writer) - [ **HubSpot to Writer** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-writer) - [ **Salesforce to Writer** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-writer) - [ **Google Sheets to Writer** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-writer) - [ **Gmail to Writer** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-writer) - [ **Google Calendar to Writer** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-writer) Questions ## Slack and Writer, answered ### ### What can start an automation from Slack? Any of Slack's 15 triggers in the catalog, including New Channel, New Channel (instant), New Channel Member and New File (instant). Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in Writer when something happens in Slack? Any of Writer's 16 actions, including Send Prompt, Update knowledge graph, Add file and Add file to knowledge graph. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from Writer to Slack? Writer has no triggers in the catalog today, so automations start in Slack. If you need the other direction, ask: your agent reads Writer's API documentation and adds it. ### ### Do I have to build a connector for Slack or Writer? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use Slack and Writer without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.