Check claimable app fee balances and past claim history for an integrator wallet. Use this to answer
AI agents call get_app_fees to retrieve information from Relay MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only reads/queries existing balance and history data. It has no side effects, cannot modify state, and cannot execute transactions or transfer funds. While it relates to financial data, it is purely informational (Read category), not Financial (which requires moving money). The blast radius of misuse is minimal—it merely exposes balance information accessible to the querying wallet.
From the tool's definition Tool description states 'Check claimable app fee balances and past claim history' - the verbs 'check' and 'query' operations with no modification capability.
Attacks that exploit this kind of access
Check claimable app fee balances and past claim history for an integrator wallet. Use this to answer. It is categorised as a Read tool in the Relay MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Relay MCP Server MCP server in PolicyLayer and add a rule for get_app_fees: 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 Relay MCP Server. Nothing to install.
get_app_fees 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 get_app_fees 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 get_app_fees. 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.
get_app_fees is provided by the Relay MCP Server MCP server (relayprotocol/relay-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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