update_party_tool · Capsulecrm MCP: Risk & Policy

WHAT IT DOES

What update_party_tool does on Capsulecrm

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

WHY IT NEEDS A POLICY

Why update_party_tool needs a policy

The tool creates or modifies CRM data (party records) in a reversible manner. Updates are Write operations as they change existing records without permanently destroying them. Severity is medium because modifying customer/party data in a CRM can have significant business impact (incorrect contact info, relationships, or attributes) but is theoretically reversible through further updates or system recovery.

From the tool's definition Tool name contains 'update' and description states 'Update an existing party by ID.' This operation modifies existing data in the CRM system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_party_tool Rate-limited

update_party_tool 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": {
    "update_party_tool": {
      "limits": [
        {
          "counter": "update_party_tool_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 Capsulecrm, so you can run agents against it safely.

FAQ

Questions about update_party_tool

What does the update_party_tool tool do? +

Update an existing party by ID. It is categorised as a Write tool in the Capsulecrm MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_party_tool? +

Register the Capsulecrm MCP server in PolicyLayer and add a rule for update_party_tool: 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 Capsulecrm. Nothing to install.

What risk level is update_party_tool? +

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

Can I rate-limit update_party_tool? +

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

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

update_party_tool is provided by the Capsulecrm MCP server (monadsag/capsulecrm-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.