Check EPO OPS API availability, credential status, and quota information. Returns connectivity status and whether EPO_OPS_KEY and EPO_OPS_SECRET are configured. Use this before attempting EPO searches.
AI agents call check_epo_api_status to retrieve information from Claude Patent Creator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a diagnostic/status-checking tool that retrieves information about EPO OPS API connectivity and configuration state. It performs read-only queries with no side effects, no data modification, and no command execution. The tool does not create, modify, delete, or execute anything; it only reports status.
From the tool's definition The tool "check_epo_api_status" queries API availability, credential status, and quota information—pure retrieval operations with no modification, deletion, or execution of external systems.
Documented attack patterns abuse exactly the kind of access check_epo_api_status gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Claude Patent Creator, and nothing reaches the server without passing your rules. This is the rule we recommend for check_epo_api_status:
{
"version": "1",
"default": "deny",
"tools": {
"check_epo_api_status": {}
}
}check_epo_api_status is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Check EPO OPS API availability, credential status, and quota information. Returns connectivity status and whether EPO_OPS_KEY and EPO_OPS_SECRET are configured. Use this before attempting EPO searches. It is categorised as a Read tool in the Claude Patent Creator MCP Server, which means it retrieves data without modifying state.
Register the Claude Patent Creator MCP server in PolicyLayer and add a rule for check_epo_api_status: 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 Claude Patent Creator. Nothing to install.
check_epo_api_status 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 check_epo_api_status 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 check_epo_api_status. 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.
check_epo_api_status is provided by the Claude Patent Creator MCP server (robthepcguy/claude-patent-creator). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 30 Claude Patent Creator tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
30 Claude Patent Creator tools catalogued and risk-classified — across an index of 42,500+ MCP servers.