set_threshold · MCP Contemplation MCP: Risk & Policy

WHAT IT DOES

What set_threshold does on MCP Contemplation

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

WHY IT NEEDS A POLICY

Why set_threshold needs a policy

This tool modifies a configuration parameter (significance threshold) in the contemplation system. It creates or updates a setting that controls how insights are filtered, making it a Write action rather than Read (it changes state) or Execute (it doesn't trigger external operations with unpredictable side effects—it just adjusts a parameter).

From the tool's definition The tool name is 'set_threshold' and description states it 'Set minimum significance threshold for insights', indicating configuration modification of a contemplation system parameter. This is a reversible write operation that changes a threshold setting.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_threshold Rate-limited

set_threshold 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": {
    "set_threshold": {
      "limits": [
        {
          "counter": "set_threshold_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 MCP Contemplation, so you can run agents against it safely.

FAQ

Questions about set_threshold

What does the set_threshold tool do? +

Set minimum significance threshold for insights. It is categorised as a Write tool in the MCP Contemplation MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_threshold? +

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

What risk level is set_threshold? +

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

Can I rate-limit set_threshold? +

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

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

set_threshold is provided by the MCP Contemplation MCP server (mikeybeez/mcp-contemplation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.