AI agents call find_endpoint_callers to retrieve information from Orihime without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data about which callers invoke a given endpoint—a graph traversal operation with no side effects on code or system state. It fits the Read category as a query/analysis tool. Even if used by an AI agent, misuse would only return incorrect information, not cause irreversible damage or execute external operations.
From the tool's definition Tool name 'find_endpoint_callers' suggests querying/retrieving caller information for endpoints. Server context confirms it exposes tools for 'call-flow tracing' and 'entry-point reachability filtering', which are read-only analysis operations.
Attacks that exploit this kind of access
find_endpoint_callers. It is categorised as a Read tool in the Orihime MCP Server, which means it retrieves data without modifying state.
Register the Orihime MCP server in PolicyLayer and add a rule for find_endpoint_callers: 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 Orihime. Nothing to install.
find_endpoint_callers 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 find_endpoint_callers 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 find_endpoint_callers. 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.
find_endpoint_callers is provided by the Orihime MCP server (srinivasan-sundaresan95/orihime). 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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