check_invoiceninja

Check Invoice Ninja health via GET /api/v1/ping. Returns version if the API responds. A 401/403 response also indicates the server is running. Default port 80.

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-invoiceninja.md

WHAT IT DOES

What check_invoiceninja does on Mcp Nettools

AI agents call check_invoiceninja 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_invoiceninja is rated Low

This is a health-check tool that queries an Invoice Ninja API endpoint to verify availability and retrieve version information. It uses the HTTP GET method, which is safe and idempotent, causing no side effects. While it probes a remote service, it is purely informational—determining if a server is running and what version it is running. This fits the Read category (retrieves data; no side effects).

From the tool's definition Tool performs a GET request to a health-check endpoint (/api/v1/ping) and returns version information or status. No data is modified, deleted, or financial operations are performed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs check_invoiceninja 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_invoiceninja, this is the rule to start with:

check_invoiceninja Allowed

check_invoiceninja 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_invoiceninja": {}
  }
}

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_invoiceninja call is checked against it from then on.

FAQ

Questions about check_invoiceninja

What does the check_invoiceninja tool do? +

Check Invoice Ninja health via GET /api/v1/ping. Returns version if the API responds. A 401/403 response also indicates the server is running. Default port 80. 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_invoiceninja? +

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

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

Can I rate-limit check_invoiceninja? +

Yes. Add a rate_limit block to the check_invoiceninja 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_invoiceninja completely? +

Set action: deny in the PolicyLayer policy for check_invoiceninja. 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_invoiceninja? +

check_invoiceninja 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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