Low Risk

list_demo_patients

List public no-PHI Toofi demo patients so agents can inspect patient response structure.

Part of the Toofi Dental Planning MCP server.

list_demo_patients is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call list_demo_patients to retrieve information from Toofi Dental Planning MCP without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though list_demo_patients only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_demo_patients": {}
  }
}

See the full Toofi Dental Planning MCP policy for all 32 tools.

Get this rule live on your own Toofi Dental Planning MCP server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access list_demo_patients gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so list_demo_patients only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the list_demo_patients tool do? +

List public no-PHI Toofi demo patients so agents can inspect patient response structure.. It is categorised as a Read tool in the Toofi Dental Planning MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_demo_patients? +

Register the Toofi Dental Planning MCP server in PolicyLayer and add a rule for list_demo_patients: 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 Toofi Dental Planning MCP. Nothing to install.

What risk level is list_demo_patients? +

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

Can I rate-limit list_demo_patients? +

Yes. Add a rate_limit block to the list_demo_patients 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 list_demo_patients completely? +

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

list_demo_patients is provided by the Toofi Dental Planning MCP server (https://toofi.app/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Toofi Dental Planning MCP tool call.

Deterministic rules across all 32 Toofi Dental Planning MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.

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