AI Models & Agents Hosted remote

ONCE — Exactly-Once Reliability for AI Agent Actions

Name: ONCE — Exactly-Once Reliability for AI Agent Actions
Author: @GSterlingPress

by @GSterlingPress / v0.8.4

Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.

Install

Remote / streamable-http

https://optimistic-compassion-production.up.railway.app/mcp

Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)

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

Source: official MCP Registry record · registry name io.github.GSterlingPress/once · published 2026-09-13 · updated 2026-09-13. Not an endorsement; review the code before connecting it to anything sensitive.

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