List simulation output files: eplusout.sql, eplusout.err, HTML
AI agents call get_run_artifacts to retrieve information from Openstudio without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and lists pre-existing simulation artifacts without modifying, executing operations, or deleting data. It is a straightforward query/list operation typical of Read category tools. The low severity reflects minimal blast radius - an agent calling this tool can only discover what outputs exist from prior simulations, with no destructive or harmful side effects possible.
From the tool's definition Tool description states it "List[s] simulation output files" - a retrieval operation with no modification or side effects. Files listed (eplusout.sql, eplusout.err, HTML) are read-only outputs from EnergyPlus simulation.
Documented attack patterns abuse exactly the kind of access get_run_artifacts gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Openstudio, and nothing reaches the server without passing your rules. This is the rule we recommend for get_run_artifacts:
{
"version": "1",
"default": "deny",
"tools": {
"get_run_artifacts": {}
}
}get_run_artifacts is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List simulation output files: eplusout.sql, eplusout.err, HTML. It is categorised as a Read tool in the Openstudio MCP Server, which means it retrieves data without modifying state.
Register the Openstudio MCP server in PolicyLayer and add a rule for get_run_artifacts: 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 Openstudio. Nothing to install.
get_run_artifacts 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 get_run_artifacts 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 get_run_artifacts. 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.
get_run_artifacts is provided by the Openstudio MCP server (natlabrockies/openstudio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Openstudio, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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146 Openstudio tools catalogued and risk-classified — across an index of 43,000+ MCP servers.