Provides a deterministic failure-decision API for MCP clients, returning one of six actions (RETRY_NOW, WAIT, REPAIR_REQUEST, VERIFY_FIRST, ESCALATE, ABORT) based on failure context to guide safe next steps.
MCP server that prevents duplicate side effects in AI agents by using idempotency keys and durable receipts, ensuring actions like refunds, emails, or orders execute exactly once even across retries.