Guides: connect your apps to Grok, Muse, ChatGPT and Claude
Step-by-step guides to connecting Gmail, Outlook, Google Calendar, Slack, Notion and more to Grok, Muse, ChatGPT and Claude, and choosing what each can do.
Grok
What Grok connects to on its own, what's missing, and how to add Gmail, Outlook, Slack, Notion and more to Grok and Grok Bot with one connector.
- How to connect Gmail to GrokConnect Gmail to Grok so it can search, read, draft and send your email. Grok's built-in connector, its limits, and how to choose what Grok may do.
- How to connect Outlook to GrokGrok's Outlook connector needs a work or school account. How to let Grok read and send from a personal Outlook.com or Hotmail inbox instead.
- How to connect Google Calendar to GrokLet Grok read your Google Calendar, find free time and add events. Or make it read-only, so Grok can look at your schedule but never change it.
- How to connect Google Drive, Docs and Sheets to GrokGive Grok your Google Drive so it can find and read files, suggest edits in Google Docs and update Google Sheets, with you choosing what it may change.
- How to connect Slack to GrokConnect Slack to Grok and Grok Bot: read channels, threads and DMs, send messages as you, or keep it read-only. What works natively and what doesn't.
- How to connect Notion to GrokConnect your Notion workspace to Grok and Grok Bot so they can search, read and update pages and databases, and choose which actions each may take.
- How to connect multiple Gmail accounts to GrokUse your work and personal Gmail in Grok at once. How to connect up to five Gmail accounts to Grok and Grok Bot, each with its own access.
- Can Grok send emails?What Grok can do with your email on its own, why sending may be turned off, and how to let Grok send from Gmail or Outlook, with or without asking you first.
- How to add a custom connector (MCP server) to GrokStep by step: add a remote MCP server to Grok as a custom connector on grok.com, or from a Grok Bot chat, and sign in with OAuth. No API key needed.
- Grok connectors not working: how to fix common errorsFixes for Grok connector errors: sign-ins that fail, "This app is blocked", authentication failures, missing tools and connectors that stop responding.
- How to connect Todoist to GrokGrok has no Todoist connector of its own. Connect Todoist through Upsy so Grok can add, find and complete your tasks and projects.
- How to connect Jira and Confluence to GrokConnect Jira and Confluence to Grok so it can find and update issues and read your team's pages, through Atlassian's own MCP server.
- How to connect ClickUp to GrokConnect ClickUp to Grok so it can read and update your tasks, docs and lists, through one connector you control and with no API key to paste.
- How to connect Airtable to GrokLet Grok read and update records in your Airtable bases. Connect Airtable once and choose whether Grok may change records or only read them.
- How to connect Calendly to GrokConnect Calendly to Grok so it can share your scheduling links and check your booked meetings, next to your Google Calendar.
- How to connect Granola to GrokGive Grok your Granola meeting notes so it can answer questions about past meetings, write follow-ups and pull out action items.
- How to connect Fireflies to GrokConnect Fireflies to Grok so it can search your meeting transcripts, summarize calls and draft follow-up emails from what was said.
- How to connect Stripe to GrokLet Grok look up Stripe payments, customers and invoices. Keep it read-only, or pick the Stripe tools it may use, and see every call it made.
Muse
Which apps Meta's Muse agent connects to on its own, which are missing, and how to add the rest, like Jira, ClickUp and Airtable, with one connector.
- How to add a custom connector to Meta MuseMuse adds custom connectors from its chat. How to add a remote MCP server to Muse, approve the sign-in, and check that its tools work.
- How to connect Gmail to Meta MuseConnect Gmail to Muse so it can search, read, draft and send your email, and decide which of those it may do. Muse's own connector and Upsy compared.
- How to connect multiple Gmail accounts to Meta MuseMuse's built-in Gmail holds one account. How to connect your work and personal Gmail to Muse at once, up to five accounts, each with its own access.
- How to connect Slack to Meta MuseLet Muse read your Slack channels and threads, find people, and post messages as you, with every message it sends logged in your history.
- How to connect Notion to Meta MuseConnect Notion to Muse so it can search, read and update your pages and databases. Give it full access, read-only, or only the actions you pick.
- How to connect Jira and Confluence to Meta MuseMuse has no Jira connector of its own. Connect Jira and Confluence to Muse so it can find and update issues and read your team's pages.
- How to connect ClickUp to Meta MuseAdd ClickUp to Muse so it can read and update your tasks, docs and lists, with one custom connector and no ClickUp API key to paste.
- How to connect Airtable to Meta MuseLet Muse read and update records in your Airtable bases, or keep it read-only. How to connect Airtable to Muse in a few minutes.
- How to connect Fireflies to Meta MuseConnect Fireflies to Muse so it can search your meeting transcripts, summarize calls and draft follow-ups from what was said.
ChatGPT
Which apps ChatGPT connects to on its own, where its connectors fall short, and how to add any app to ChatGPT and your dot as a custom MCP plugin.
- How to connect multiple Gmail accounts to ChatGPTChatGPT now connects more than one Gmail account. How to add a second inbox, and how to give each one its own access in ChatGPT and your other assistants.
- How to connect a personal Outlook account to ChatGPTChatGPT's Outlook connector only takes work and school accounts. How to let ChatGPT read and send from a personal Outlook.com or Hotmail account.
- Is it safe to connect Gmail to ChatGPT?What ChatGPT can see and do once Gmail is connected, the real risks, and how to give it read-only access, review what it did and turn it off fast.
- How to add a custom MCP server to ChatGPTThe current steps to add a remote MCP server to ChatGPT as a custom plugin, sign in with OAuth, and fix tools that don't show up.
- Can ChatGPT book flights and hotels for you?What ChatGPT's travel apps and cloud browser can and can't book, where they stop at logins and payments, and how to use a browser signed in to your sites.
- Can ChatGPT fill out forms for you?How to get ChatGPT to fill out online forms and applications with your own details, in a browser signed in to your sites, while you watch and approve.
- How to connect apps to your ChatGPT dotYour dot uses the plugins you add in ChatGPT. How to give it Gmail, Calendar, Slack and more, and what it may do with them while it works on its own.
- How to use Gmail with ChatGPT in the EU and UKChatGPT's built-in Gmail connector isn't offered on Plus and Pro in the EU, EEA, UK and Switzerland. What that means, and what works instead.
- How to connect Zoho Mail to ChatGPTChatGPT has no Zoho Mail app. How to add Zoho Mail as a custom MCP server, which ChatGPT plans allow it, and what ChatGPT can search, read and send.
- How to connect Google Sheets to ChatGPT and update cellsChatGPT edits Google Sheets in a sidebar on every plan, and through its Drive app in chat. How both work, and how Upsy adds hard limits and a full history.
- Can ChatGPT edit Google Docs? Connect Docs to ChatGPTChatGPT reaches Google Docs through its Google Drive app and can update them on paid plans. What it can't do, and how Upsy adds suggestions and comments.
- How to connect Linear to ChatGPT: plugin, app and MCPChatGPT's Linear plugin can read and change issues. Add Linear through Upsy to limit ChatGPT to the actions you pick and keep a history of every change.
- ChatGPT GitHub app: how to connect GitHub to ChatGPTChatGPT's GitHub app reads and searches your code but can't write. How to connect it, fix missing repos, and let ChatGPT handle issues and PRs, with limits.
- How to connect Miro to ChatGPTInstall Miro's official plugin in ChatGPT, or add Miro through Upsy to keep ChatGPT read-only, log its board changes and share one Miro login across assistants.
Claude
Which apps Claude connects to on its own, where its connectors fall short, and how to add any app to Claude as a custom connector in a few minutes.
- How to connect multiple Gmail accounts to ClaudeClaude's Gmail connector takes one Google account at a time. Connect your work and personal Gmail to Claude at once, up to five, each with its own access.
- How to connect a personal Outlook account to ClaudeClaude's Microsoft 365 connector needs a work account and an admin. How to let Claude read and send email from a personal Outlook.com or Hotmail account.
- Is it safe to connect Gmail to Claude?What Claude can see and do once Gmail is connected, the real risks, and how to give it read-only access, review what it did and turn it off fast.
- How to add a custom connector to ClaudeStep by step: add a remote MCP server to Claude as a custom connector, sign in with OAuth, and what changes on the Free, Pro, Team and Enterprise plans.
- Can Claude book flights and hotels for you?What Claude can and can't book today, where it stops at logins and payments, and how to let it work in a browser signed in to your travel sites.
- Can Claude fill out forms for you?How to get Claude to fill out online forms and applications with your details, in a cloud browser signed in to your sites, while you watch and approve.
- How to connect Zoho Mail to ClaudeClaude has no Zoho Mail connector. How to add one as a custom connector, with Zoho's own MCP server or with Upsy, and what each can do on each plan.
- How to connect Google Sheets to Claude and let it editClaude can now edit Google Sheets, in beta. What its Sheets connector and add-on do, and how to add Sheets through Upsy with read-only or per-action access.
- How to connect Google Docs to Claude and let it editClaude now edits Google Docs in beta. What its Docs connector and add-on can do, where they stop, and how Upsy adds real suggestions, comments and limits.
- How to connect Linear to Claude: connector and MCPClaude's Linear connector runs on Linear's own MCP server. Add Linear through Upsy to choose which actions Claude may take and see every change it makes.
- Claude GitHub connector: how to connect GitHub to ClaudeClaude's GitHub integration reads code from the repos you pick. How to set it up, why org repos go missing, and how to let Claude work on issues and PRs.
- How to connect Miro to ClaudeUse Miro's official connector in Claude, or add Miro through Upsy for a Read-only switch, a history of board changes and one Miro login for every assistant.
Claude Code
Add Gmail, Slack, Google Calendar, Notion and more to Claude Code with one command, sign in with OAuth, and choose what it may do in each app.
- How to connect Gmail to Claude CodeOne command adds Gmail to Claude Code: search, read, draft and send email from your terminal, with OAuth sign-in and no Google Cloud project to set up.
- How to connect Slack to Claude CodeAdd Slack to Claude Code so it can read channels and threads, find people and post updates as you, without creating a Slack app or pasting tokens.
Hermes
What Hermes Agent connects to on its own (skills, its MCP catalog, hosted connectors), what's missing, and how to add Gmail, Calendar, Drive and Slack.
- How to add an MCP server to Hermes AgentAdd a local or remote MCP server to Hermes Agent: the mcp_servers config, OAuth with hermes mcp login, tool filters, and fixes for the common errors.
- How to connect Gmail to Hermes AgentGive Hermes Agent your Gmail without a Google Cloud project: search, read, draft and send, with read-only or per-action access and a history of every action.
- How to connect Google Calendar to Hermes AgentLet Hermes Agent read your Google Calendar, find free time, add events and answer invites, or keep it read-only. No Google Cloud project to set up.
- How to connect Google Drive, Docs and Sheets to Hermes AgentLet Hermes Agent search and read your Google Drive, suggest edits in Google Docs and update Google Sheets, while you choose exactly what it may change.
More guides
- Grok Bot vs Muse: which personal AI agent should you use?Grok Bot and Meta's Muse compared: price, the apps they connect to, browser, memory and safety. And how to use both with the same apps and memory.
- How to share memory between ChatGPT, Claude and GrokStop repeating yourself. Move your memory from ChatGPT to Claude, or keep one memory that ChatGPT, Claude, Grok and Muse all read and you control.
- Gmail MCP server: connect Gmail to any AI agentA hosted Gmail MCP server with OAuth and no API keys. Connect Gmail to Claude, ChatGPT, Cursor, Codex or any MCP client, and choose what each may do.
- How to connect an MCP server on Tailscale to Claude and ChatGPTClaude.ai, ChatGPT and Grok can't reach your tailnet. Publish your MCP server with Tailscale Funnel, protect it, and add it to every assistant with Upsy.