clio_open_new_matter · Clio Manage MCP: Risk & Policy

WHAT IT DOES

What clio_open_new_matter does on Clio Manage MCP

AI agents use clio_open_new_matter to create or update resources in Clio Manage MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Clio Manage MCP environment.

WHY IT NEEDS A POLICY

Why clio_open_new_matter needs a policy

This tool creates new data (client contact and matter record) which are reversible operations. While it initiates a new matter in a law firm management system with potential business implications, it does not execute arbitrary code, delete data, or commit financial transactions.

From the tool's definition Tool description states it 'creates the client contact (or uses an existing one), opens the matter' — both create and establish new records in the Clio system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

clio_open_new_matter Rate-limited

clio_open_new_matter stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "clio_open_new_matter": {
      "limits": [
        {
          "counter": "clio_open_new_matter_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Clio Manage MCP, so you can run agents against it safely.

FAQ

Questions about clio_open_new_matter

What does the clio_open_new_matter tool do? +

End-to-end intake: creates the client contact (or uses an existing one), opens the matter,. It is categorised as a Write tool in the Clio Manage MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on clio_open_new_matter? +

Register the Clio Manage MCP server in PolicyLayer and add a rule for clio_open_new_matter: 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 Clio Manage MCP. Nothing to install.

What risk level is clio_open_new_matter? +

clio_open_new_matter is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit clio_open_new_matter? +

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

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

clio_open_new_matter is provided by the Clio Manage MCP server (patrickking67/clio-manage-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.