ONCE — Exactly-Once Reliability for AI Agent Actions

Connect Remote server

claude mcp add --transport http once https://optimistic-compassion-production.up.railway.app/mcp

{
  "mcpServers": {
    "once": {
      "url": "https://optimistic-compassion-production.up.railway.app/mcp"
    }
  }
}

{
  "servers": {
    "once": {
      "type": "http",
      "url": "https://optimistic-compassion-production.up.railway.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://optimistic-compassion-production.up.railway.app/mcp

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