{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json","_meta":{"io.mcpregistry/tags":[],"io.mcpregistry/tools":[],"io.mcpregistry/transport":"streamable-http"},"description":"Prevent duplicate AI-agent side effects with idempotency, verification, and durable receipts.","name":"io.github.gsterlingpress/once","remotes":[{"type":"streamable-http","url":"https://optimistic-compassion-production.up.railway.app/mcp"}],"repository":{"source":"github","url":"https://github.com/GSterlingPress/once-api"},"title":"ONCE — Exactly-Once Reliability for AI Agent Actions","version":"0.8.4","websiteUrl":"https://github.com/GSterlingPress/once-api"},"_meta":{"io.mcpregistry/official":{"status":"active","origin":"official","updated_at":"2026-09-15T03:58:13Z","synced_at":"2026-09-22T03:57:44.503431Z","is_latest":true,"published_at":"2026-09-15T03:58:13Z"}}}