Herd in your assistant
Ask Claude or ChatGPT about your plans and what your friends are up to.
Try asking
- “What are my friends doing this weekend?”
- “When are Devin and I both free this month?”
- “Who’s going to the Four Tet show?”
- “When did I last see Devin?”
- “Say I’m going to Friday’s rooftop thing.”
- “Make a dinner at mine on Saturday at 8 for close friends.”
Add Herd
You sign in to Herd and choose what the assistant may do.
Best done on a computer
Claude and ChatGPT add new connections on the web. Once added, Herd works in Claude’s phone app too.
Open Customize › Connectors in Claude.
Open ClaudeChoose Add custom connector and paste Herd’s address.
Choose Connect, sign in to Herd and pick what Claude can do.
In a chat, turn on Herd from the + menu, under Connectors.
On Team and Enterprise plans, an owner adds Herd in Organization settings › Connectors first.
Open Plugins in ChatGPT and choose + › Add custom MCP server.
Open ChatGPTName it Herd, paste Herd’s address and choose OAuth.
Accept the warning, then create it.
Install Herd, sign in and pick what ChatGPT can do.
In a chat, type @ and choose Herd.
ChatGPT’s phone app can’t use Herd yet.
On Business, Enterprise and Edu workspaces, an admin allows custom MCP servers first.
Run this in a terminal, not in a chat.
Start Claude Code, type /mcp, choose herd, then Authenticate.
Sign in to Herd in the browser that opens and pick what Claude can do.
Other assistants
Any assistant that connects to an MCP server can use this address.
You stay in control
- It sees only what you can already see in Herd. Never phone numbers or your inbox.
- Choose Read only, or Read & write to let it RSVP and create events.
- Events it makes go to the audience you chose when connecting.
- Disconnect it any time in Settings › Assistants.
Details in the privacy policy. Questions: support.