Check if the MCP server is healthy.
AI agents call health_check_tool to retrieve information from Reltio MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Health checks are read-only operations that query the status of a service without modifying, executing, or destructing any data. The tool retrieves status information only. Severity is low because misuse poses minimal risk to data integrity or operations.
From the tool's definition Tool name 'health_check_tool' and description 'Check if the MCP server is healthy' indicate a diagnostic query with no side effects.
Attacks that exploit this kind of access
Check if the MCP server is healthy. It is categorised as a Read tool in the Reltio MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Reltio MCP Server MCP server in PolicyLayer and add a rule for health_check_tool: 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 Reltio MCP Server. Nothing to install.
health_check_tool 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 health_check_tool 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 health_check_tool. 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.
health_check_tool is provided by the Reltio MCP Server MCP server (reltio-ai/reltio-mcp-server). 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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