How-to guides
Step-by-step guides for connecting MCP servers to your AI apps and for using AI with your chats. Manual methods first, checked against each app's own help pages.
Add an MCP server to your AI app
- Add an MCP server to ChatGPT Custom MCP plugins on the web, which plans allow them, and how to call one in a chat.
- Add a custom connector to Claude Customize, Connectors, Add custom connector. Every plan can do it; Free gets one.
- Add an MCP server to Claude Code One claude mcp add command, scopes, OAuth with /mcp, list and remove.
- Add an MCP server to Cursor The mcp.json entry for a remote server, OAuth sign-in and where to switch it on.
- Add an MCP server to Codex codex mcp add with --url, the config.toml block and codex mcp login.
WhatsApp and AI
- Use ChatGPT on WhatsApp Where the 1-800-ChatGPT number still works, and how to bring WhatsApp into ChatGPT instead.
- Summarize a WhatsApp group chat WhatsApp's own message summaries, a chat export, or ConnectChats.
- Export a WhatsApp chat to ChatGPT Export without media, unzip the .txt and the prompts that work.
- Search old WhatsApp messages Search by word, date and type, starred messages, and what backups keep.
- Reply to messages with AI Copy-paste prompts, built-in suggestions, and drafts you approve.
- Link a device to WhatsApp QR code or phone-number code, the four-device limit and the 14-day rule.
- Remove a linked device from WhatsApp Log out one device, spot ones you don't recognize, and what happens next.
Slack, Discord, Telegram and iMessage
- Summarize Slack channels with AI Slack AI summaries and recaps by plan, the Slack MCP server, and ConnectChats.
- Catch up on Discord servers The Inbox, search filters, notification settings and AI summaries.
- Read Telegram messages with AI Telegram's own AI summaries, chat exports, and why bots can't help.
- Use AI with iMessage Apple Intelligence in Messages, Mac-only tools, and ConnectChats.
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