AI agents invoke execute_promql_range_query to trigger actions in Amazon ECS MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
Despite the empty description, the tool name contains 'execute' paired with 'promql_range_query', which is a strong indicator of code/query execution. PromQL queries can be computationally expensive and may trigger side effects in monitoring systems (e.g., heavy data retrieval, system load).
From the tool's definition Tool name 'execute_promql_range_query' indicates execution of arbitrary PromQL (Prometheus Query Language) queries. The 'execute' verb combined with 'query' in a monitoring/observability context suggests dynamic query execution against metrics data.
Documented attack patterns abuse exactly the kind of access execute_promql_range_query gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Amazon ECS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for execute_promql_range_query:
{
"version": "1",
"default": "deny",
"tools": {
"execute_promql_range_query": {
"limits": [
{
"counter": "execute_promql_range_query_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
} execute_promql_range_query stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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execute_promql_range_query. It is categorised as a Execute tool in the Amazon ECS MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Amazon ECS MCP Server MCP server in PolicyLayer and add a rule for execute_promql_range_query: 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 Amazon ECS MCP Server. Nothing to install.
execute_promql_range_query is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the execute_promql_range_query 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 execute_promql_range_query. 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.
execute_promql_range_query is provided by the Amazon ECS MCP Server MCP server (awslabs.ecs-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Amazon ECS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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805 Amazon ECS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.