generated: '2026-07-19'
method: derived
status: candidate
source: openapi/justyo-yo-openapi.yml
note: No official Yo MCP server exists. This is a candidate tool list derived one-per-operation from the
  documented Yo API for reference only; the Yo service is defunct.
server:
  name: justyo
  transport: stdio
tools:
- name: send_yo
  description: Send a Yo to a specific subscriber.
  source_operation: openapi/justyo-yo-openapi.yml#sendYo
- name: send_yo_all
  description: Broadcast a Yo to all subscribers.
  source_operation: openapi/justyo-yo-openapi.yml#sendYoAll
- name: get_subscribers_count
  description: Get the current subscriber count.
  source_operation: openapi/justyo-yo-openapi.yml#getSubscribersCount
deployment:
  mode: none
  verified: derived
  tools: 3
  checked: '2026-08-12'
  source: catalog MCP census