# How to teach Claude Duet your knowledge [Claude Duet](https://www.knowman.io/guides/claude-duet-memory) uses Claude memory and can [search past chats](https://www.knowman.io/guides/claude-duet-knowledge-base) for context in new conversations. [Claude memory and chat search](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) KnowMan runs locally with `npx -y @knowman/mcp` and as a hosted server at https://api.knowman.io/mcp with OAuth sign-in or an [API key](https://www.knowman.io/guides/mcp-server-knowledge-base). [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) ## Start with Claude memory Claude memory is on by default for Free, Pro, Max, and Ultra plans on web, Desktop, and Mobile. Tell Claude to “remember this” to save a fact, or let it save useful details during a conversation. [Claude memory](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) Memory can cover your role, projects, working style, communication preferences, and ongoing work. Review, edit, or delete [memory topics](https://www.knowman.io/guides/ai-memory-for-individuals) in Settings, or ask Claude in chat to change or forget something. [Claude memory](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) Resetting memory permanently deletes all memories, including project memories. [Claude memory](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) ## Use past chats for earlier context Claude Duet can search past chats to bring relevant context into a new conversation. This uses the same “Search and reference chats” setting as Claude, which you can turn off in Settings > Your Claude. [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) Claude Duet uses and adds to Claude memory, so [knowledge Claude already has](https://www.knowman.io/guides/ai-agent-memory) about you is available in Duet. [Claude memory and chat search](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) ## Connect apps Claude Duet can use Duet can use apps already connected in Claude, including Gmail, Google Calendar, Google Drive, Slack, QuickBooks, HubSpot, Docusign, and Calendly. You start each connection yourself. Disconnecting an app stops future access but retains memory of earlier conversations. [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) Some connectors have limits in Duet. Slack works with limits, Microsoft 365 is not available yet, and Personal Finance is unavailable. Duet checks accounts at intervals, so urgent items can arrive between checks. [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) ## Know the limits of Claude Duet Claude Duet is a research preview for Pro, Max, and Ultra users in the US through a waitlist. It is not available on Team or Enterprise plans. Duet runs on Claude Opus 5.5, and users cannot choose the model. [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) Duet cannot see all projects or computer files. It can read your work in Claude but cannot change it. It asks before sending a message, making a payment, signing a document, or deleting anything. [Claude Duet](https://support.claude.com/en/articles/17631495-get-started-with-claude-duet) ## Add custom remote MCP connectors Anthropic documents custom connectors using remote MCP for connecting Claude to external tools and data sources. For an individual Pro or Max plan, the documented setup is Customize > Connectors > Add custom connector, then enter a name and remote MCP server URL, choose authentication, and add the connector. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) A custom connector's server must be reachable over the public internet from Anthropic's IP ranges. Claude connects from Anthropic's cloud infrastructure, not from your device. Local MCP servers configured in Claude Desktop are a separate mechanism and are unavailable in Cowork or claude.ai. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) Authentication options are [Sign in](https://www.knowman.io/guides/personal-knowledge-base) now, Sign in when needed, or No sign in. Fixed credentials such as API keys or bearer tokens can be sent through request headers. Custom connectors can read, create, modify, delete data, or take actions, so connect only to servers you trust and review requested permissions. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) ## Where KnowMan fits KnowMan saves articles and links, reads and tags them, [answers questions with citations](https://www.knowman.io/guides/knowledge-base-for-ai-agents), and keeps memories such as claims, decisions, and playbooks. Its MCP server runs locally with `npx -y @knowman/mcp` or as a hosted server at https://api.knowman.io/mcp with OAuth sign-in or an API key. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) You can use KnowMan's MCP with documented local clients such as [Claude Desktop](https://www.knowman.io/integrations/claude-desktop), or read [the KnowMan MCP setup guide](https://www.knowman.io/guides/mcp-server-knowledge-base) and [the Claude knowledge base guide](https://www.knowman.io/guides/claude-knowledge-base). KnowMan has a [Chrome extension](https://www.knowman.io/guides/best-bookmark-manager-chrome-extension) and imports from Pocket, [Instapaper](https://www.knowman.io/vs/instapaper), Omnivore, Readwise, Wallabag, and a browser bookmarks file. ## Use the hosted KnowMan server For a client that supports remote MCP servers, add https://api.knowman.io/mcp. Open the KnowMan consent page to sign in with OAuth and approve access, or create an API key in KnowMan settings and send it as an `Authorization: Bearer ` header. For Cursor, add this to `mcp.json`: `{"mcpServers":{"knowman":{"url":"https://api.knowman.io/mcp","headers":{"Authorization":"Bearer "}}}}`. Then ask the assistant to search your KnowMan or [save a URL](https://www.knowman.io/guides/how-to-save-articles). KnowMan's open-source client is available at https://github.com/Essatt/knowman-mcp. ## Questions ### How do I give Claude Duet information to remember? Tell Claude to “remember this” during a chat, or let it save useful details as you chat. You can review, edit, or delete memory topics in Settings. [Claude memory](https://support.claude.com/en/articles/11817273-use-claude-s-chat-search-and-memory-to-build-on-previous-context) ### Can Claude Duet use a local MCP server? Anthropic documents custom remote MCP connectors that require a server reachable over the public internet from its IP ranges. Local MCP servers configured in Claude Desktop are separate and are unavailable in Cowork or claude.ai. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) ### Can I connect KnowMan to Claude Duet? KnowMan's MCP server runs locally with `npx -y @knowman/mcp` and as a hosted server at https://api.knowman.io/mcp with OAuth sign-in or an API key. [Custom connectors](https://support.claude.com/en/articles/11175166-get-started-with-custom-connectors-using-remote-mcp) You can use local KnowMan with documented local clients such as Claude Desktop. ## Related guides - [How to Build a Claude Knowledge Base](https://www.knowman.io/guides/claude-knowledge-base) - [Connect your knowledge base through KnowMan's MCP server](https://www.knowman.io/guides/mcp-server-knowledge-base) - [How Do You Connect AI to Your Notes?](https://www.knowman.io/guides/connect-any-ai-to-your-notes) ## More in this topic - [How to teach Claude Code your knowledge](https://www.knowman.io/guides/teach-claude-code-your-knowledge) - [How to teach Claude Desktop your knowledge](https://www.knowman.io/guides/teach-claude-desktop-your-knowledge) - [How to teach Augment Code your knowledge](https://www.knowman.io/guides/teach-augment-your-knowledge) ## More for Claude Duet - [How to give Claude Duet better memory](https://www.knowman.io/guides/claude-duet-memory) - [Claude Duet and your knowledge base](https://www.knowman.io/guides/claude-duet-knowledge-base) ## Give your AI useful context Try KnowMan Pro for 14 days with no credit card. [Create your account](https://app.knowman.io/signup) [Start free](https://app.knowman.io/signup) Every new account starts with 14 days of Pro. No credit card. Source: https://www.knowman.io/guides/teach-claude-duet-your-knowledge