Glossary
Spending Limit
A maximum amount an AI agent is authorized to spend within a defined period, preventing runaway costs or unauthorized expenditures.
What is Spending Limit?
Spending limits provide essential financial controls for autonomous agents by capping total expenditures. Limits can be set per transaction, per hour, per day, or per billing period, with different limits for different expense categories. When agents approach limits, systems can trigger approvals, block further spending, or alert human operators depending on configuration.
Effective spending limits balance agent autonomy with financial risk management. Overly restrictive limits impair agent effectiveness by requiring constant approval, while overly generous limits create excessive risk exposure. Dynamic limits that adjust based on agent trust scores and historical spending patterns optimize this balance.
Example
A procurement agent has a $10,000 monthly spending limit and a $1,000 per-transaction limit. It can autonomously purchase office supplies, software licenses, and services within these bounds. A $2,500 purchase request triggers human approval workflow, preventing unauthorized major expenditures.
How Signet addresses this
Signet's Financial dimension evaluates spending limit implementation and adherence. Agents operating within well-defined limits and without overruns demonstrate financial responsibility, earning higher Financial scores than agents lacking spending controls or frequently exceeding limits.
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