Return persisted autoStart and legacy disableAutoStart entries
AI agents call gateway.get_startup_policy to retrieve information from PMCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves configuration state (startup policy settings) and returns them to the caller. The use of 'get' and 'return' indicates a query operation with no side effects, no code execution, no data modification, and no destructive actions. The low severity reflects that configuration settings are typically non-critical and exposure of this data would not directly enable system compromise or data loss.
From the tool's definition Tool name contains 'get' and description states 'Return persisted autoStart and legacy disableAutoStart entries', indicating data retrieval without modification or side effects.
Documented attack patterns abuse exactly the kind of access gateway.get_startup_policy gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and PMCP, and nothing reaches the server without passing your rules. This is the rule we recommend for gateway.get_startup_policy:
{
"version": "1",
"default": "deny",
"tools": {
"gateway.get_startup_policy": {}
}
}gateway.get_startup_policy is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Return persisted autoStart and legacy disableAutoStart entries. It is categorised as a Read tool in the PMCP MCP Server, which means it retrieves data without modifying state.
Register the P MCP server in PolicyLayer and add a rule for gateway.get_startup_policy: 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 PMCP. Nothing to install.
gateway.get_startup_policy 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 gateway.get_startup_policy 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 gateway.get_startup_policy. 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.
gateway.get_startup_policy is provided by the P MCP server (viperjuice/pmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from PMCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
26 PMCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.