check_cassandra

Check Apache Cassandra availability using the CQL binary protocol. Sends a CQL OPTIONS request and verifies a SUPPORTED response, confirming the Cassandra node is accepting connections.

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-cassandra.md

WHAT IT DOES

What check_cassandra does on Mcp Nettools

AI agents call check_cassandra 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_cassandra is rated Low

This tool performs a read-only availability check by sending an OPTIONS request and verifying the response. It does not modify data, execute queries, or have any side effects beyond a network probe.

From the tool's definition Check Apache Cassandra availability... Sends a CQL OPTIONS request and verifies a SUPPORTED response, confirming the Cassandra node is accepting connections.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_cassandra 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_cassandra, this is the rule to start with:

check_cassandra Allowed

check_cassandra 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_cassandra": {}
  }
}

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_cassandra call is checked against it from then on.

FAQ

Questions about check_cassandra

What does the check_cassandra tool do? +

Check Apache Cassandra availability using the CQL binary protocol. Sends a CQL OPTIONS request and verifies a SUPPORTED response, confirming the Cassandra node is accepting connections. 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_cassandra? +

Register the Mcp Nettools MCP server in PolicyLayer and add a rule for check_cassandra: 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_cassandra? +

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

Can I rate-limit check_cassandra? +

Yes. Add a rate_limit block to the check_cassandra 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_cassandra completely? +

Set action: deny in the PolicyLayer policy for check_cassandra. 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_cassandra? +

check_cassandra 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.

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