list_credit_packs
AI agents call list_credit_packs to retrieve information from Sablier MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the empty description, the tool name strongly suggests a retrieval operation that queries available credit packs. The 'list_' prefix is characteristic of Read operations that enumerate resources. No evidence of side effects, state modification, or financial transactions. Low severity due to limited blast radius if misused—listing data poses minimal risk.
From the tool's definition Tool name 'list_credit_packs' indicates a query or retrieval operation. The name contains 'list', a common Read verb suggesting enumeration of existing credit pack objects without modification.
Attacks that exploit this kind of access
list_credit_packs. It is categorised as a Read tool in the Sablier MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sablier MCP Server MCP server in PolicyLayer and add a rule for list_credit_packs: 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 Sablier MCP Server. Nothing to install.
list_credit_packs 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_credit_packs 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_credit_packs. 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_credit_packs is provided by the Sablier MCP Server MCP server (sablier-ai/sablier-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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