check_minio

SERVERMcp Nettools SOURCEaaronckj/mcp-nettools

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aaronckj-mcp-nettools/check-minio.md

WHAT IT DOES

What check_minio does on Mcp Nettools

AI agents call check_minio to retrieve information from Mcp Nettools without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why check_minio is rated Low

This tool only retrieves health and status information from a MinIO instance using standard HTTP GET requests to health check endpoints. It has no side effects, does not create, modify, or delete data, and does not execute commands or trigger external operations. It is purely a diagnostic read operation, similar to other network diagnostic tools on this server like ping or cert_check.

From the tool's definition Tool performs health checks via GET requests to /minio/health/live and /minio/health/ready endpoints, returning status information without modifying data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_minio safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Nettools, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_minio, this is the rule to start with:

check_minio Allowed

check_minio is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "check_minio": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Nettools, apply this rule, and every check_minio call is checked against it from then on.

FAQ

Questions about check_minio

What does the check_minio tool do? +

Check MinIO object storage availability via GET /minio/health/live (liveness) and /minio/health/ready (readiness). Port 9000 = default, 9001 = console. Returns liveness and readiness status separately. It is categorised as a Read tool in the Mcp Nettools MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on check_minio? +

Register the Mcp Nettools MCP server in PolicyLayer and add a rule for check_minio: 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 Mcp Nettools. Nothing to install.

What risk level is check_minio? +

check_minio is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit check_minio? +

Yes. Add a rate_limit block to the check_minio 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.

How do I block check_minio completely? +

Set action: deny in the PolicyLayer policy for check_minio. 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.

What MCP server provides check_minio? +

check_minio is provided by the Mcp Nettools MCP server (aaronckj/mcp-nettools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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