SpendVeto

SpendVeto provides robust governance for autonomous agent payments on x402 and MCP. It ensures financial control by implementing critical safeguards: • Policy caps to limit expenditures • Human approval workflows for high-value transactions • Nested budgets for granular financial oversight • An immediate kill switch to halt unauthorized spending • Enforcement before any payment finalizes This open-source solution, licensed under Apache-2.0, is engineered for reliability, backed by 280 assertions. It acts as a crucial layer between autonomous agents and payment rails, determining if a transaction should proceed. With SpendVeto, organizations can confidently deploy autonomous agents for tasks involving real-time payments, secure in the knowledge that financial guardrails are firmly in place. Designed for developers, financial controllers, and teams managing agentic commerce, SpendVeto offers a verifiable and transparent framework for managing digital expenditures. It helps prevent overspending, mitigate financial risks, and maintain compliance in dynamic payment environments, ensuring that autonomous operations remain aligned with organizational financial policies.