Yo
Let agents send content-free push notifications to a paired phone via MCP.
Connect it
Settings → Connectors → Add custom connector
URL: https://getyo.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://getyo.dev/mcp{
"mcpServers": {
"yo": {
"url": "https://getyo.dev/mcp"
}
}
}claude mcp add --transport http yo https://getyo.dev/mcp{
"servers": {
"yo": {
"type": "http",
"url": "https://getyo.dev/mcp"
}
}
}5 tools, verified live
register_agentRegister this agent with Yo (unauthenticated). Returns a pairing URL and code to show the user, who approves the connection in the Yo app. Then poll check_registration to obtain the API key.
check_registrationCheck the status of a pairing code from register_agent. On the first poll after the user approves, the response includes the api_key exactly once â store it immediately in your secret mechanism â plus paired_with, the account the agent is now connected to, which you MUST show the user.
cancel_registrationAbort a pairing you started with register_agent. Works while pending and after approval: an already-approved connection is revoked (the API key stops working) so a pairing approved by the wrong account can be undone. Available until the pairing expires, and for 15 minutes after you pick up the API key; later than that, use revoke_self. Then call register_agent again.
revoke_selfPermanently revoke THIS agent using its API key as the Bearer token. Use when you discover (at any time) that paired_with is not your ownerâs account and cancel_registration no longer works. The key stops working immediately; call register_agent to start over.
yoSend a Yo â a content-free push notification â to your owner. Requires an agent API key as the Bearer token. Optionally include a context_url the notification tap-through will open.
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