ONCE — Exactly-Once Reliability for AI Agent Actions

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.GSterlingPress/once",
  "description": "Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.",
  "title": "ONCE — Exactly-Once Reliability for AI Agent Actions",
  "repository": {
    "url": "https://github.com/GSterlingPress/once-api",
    "source": "github"
  },
  "version": "0.8.4",
  "websiteUrl": "https://github.com/GSterlingPress/once-api",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://optimistic-compassion-production.up.railway.app/mcp"
    }
  ]
}