list_charges
AI agents call list_charges to retrieve information from Green Helix without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on naming convention, 'list_charges' appears to retrieve or enumerate charge records without modifying them. However, confidence is moderate (0.7) rather than high because the description is empty, leaving some ambiguity.
From the tool's definition Tool name 'list_charges' with no description provided. The 'list_' prefix conventionally indicates a retrieval/enumeration operation rather than a state-changing action.
Attacks that exploit this kind of access
list_charges. It is categorised as a Read tool in the Green Helix MCP Server, which means it retrieves data without modifying state.
Register the Green Helix MCP server in PolicyLayer and add a rule for list_charges: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Green Helix. Nothing to install.
list_charges is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_charges rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_charges. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_charges is provided by the Green Helix MCP server (mirni/a2a). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
list_charges is one line of Green Helix's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →