list_retainers

List active retainer trackers. Shows deliverable/hour usage against limits, billing period, and client details. Filter by status or client.

SERVERBusinys SOURCE@businys/mcp-server

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/app-businys-mcp-server/list-retainers.md

WHAT IT DOES

What list_retainers does on Businys

AI agents call list_retainers to retrieve information from Businys without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_retainers is rated Low

This tool retrieves and displays information about retainer agreements, usage metrics, and client details. It has no side effects—it only queries and presents data. There is no indication it modifies, creates, deletes, or executes anything. The filtering capability ('Filter by status or client') is a read-only parameter that narrows the query results.

From the tool's definition Tool name is 'list_retainers' and description states 'List active retainer trackers' and 'Shows deliverable/hour usage against limits, billing period, and client details.' This is purely a query/retrieval operation with no modification, deletion, or execution…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_retainers safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Businys, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_retainers, this is the rule to start with:

list_retainers Allowed

list_retainers 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": {
    "list_retainers": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Businys, apply this rule, and every list_retainers call is checked against it from then on.

FAQ

Questions about list_retainers

What does the list_retainers tool do? +

List active retainer trackers. Shows deliverable/hour usage against limits, billing period, and client details. Filter by status or client. It is categorised as a Read tool in the Businys MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_retainers? +

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

What risk level is list_retainers? +

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

Can I rate-limit list_retainers? +

Yes. Add a rate_limit block to the list_retainers 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_retainers completely? +

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

list_retainers is provided by the Businys MCP server (@businys/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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