This record as markdown: /tools/io-github-ariffazil-aaa-mcp/arif-heartbeat.md
What arif_heartbeat does on Arifos
AI agents call arif_heartbeat to retrieve information from Arifos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why arif_heartbeat is rated Low
Heartbeat operations typically retrieve status or health information without modifying state or triggering side effects. The empty description reduces confidence, but the name strongly indicates a passive monitoring function aligned with Read category. No evidence of destructive, financial, or code-execution capability.
From the tool's definition Tool name 'arif_heartbeat' suggests a health/status check operation, characteristic of monitoring and query operations. Description is empty, limiting evidence.
Attacks that exploit this kind of access
The rule that runs arif_heartbeat safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Arifos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For arif_heartbeat, this is the rule to start with:
arif_heartbeat is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Arifos, apply this rule, and every arif_heartbeat call is checked against it from then on.
Questions about arif_heartbeat
arif_heartbeat is a read tool on the Arifos MCP server. It is categorised as a Read tool in the Arifos MCP Server, which means it retrieves data without modifying state.
Register the Arifos MCP server in PolicyLayer and add a rule for arif_heartbeat: 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 Arifos. Nothing to install.
arif_heartbeat 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 arif_heartbeat 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 arif_heartbeat. 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.
arif_heartbeat is provided by the Arifos MCP server (arifos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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