{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json","_meta":{"io.mcpregistry/tags":[],"io.mcpregistry/tools":[],"io.mcpregistry/transport":"stdio"},"description":"Execution-safety MCP for AI coding agents protecting consequential writes from unsafe retries.","name":"io.github.stringsofthemind-oss/once","packages":[{"environmentVariables":[{"isRequired":true,"isSecret":true,"name":"ONCE_API_KEY"}],"identifier":"@once-agent/mcp","registryType":"npm","transport":{"type":"stdio"},"version":"0.1.3"}],"repository":{"source":"github","url":"https://github.com/stringsofthemind-oss/once"},"title":"once","version":"0.1.3"},"_meta":{"io.mcpregistry/official":{"status":"active","origin":"official","updated_at":"2026-09-22T22:02:16Z","synced_at":"2026-09-22T22:02:12.401562Z","is_latest":true,"published_at":"2026-09-20T03:57:22Z"}}}