remember_fact

Store or update a durable fact for future tasks.

SERVERMcp Control Plane SOURCEalbertik322-sudo/mcp-control-plane

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/mcp-control-plane/remember-fact.md

WHAT IT DOES

What remember_fact does on Mcp Control Plane

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

RISK

Why remember_fact is rated Medium

This tool creates or modifies persistent facts that influence future agent behavior. While the individual write is reversible (facts can be corrected or deleted), misuse could cause an agent to act on false or malicious facts persistently across sessions, creating downstream operational risks.

From the tool's definition Tool name 'remember_fact' with description 'Store or update a durable fact for future tasks' indicates persistent data modification. The words 'store or update' are explicit Write operations that create or reversibly modify data in durable storage.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs remember_fact safely

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

remember_fact Rate-limited

remember_fact 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": {
    "remember_fact": {
      "limits": [
        {
          "counter": "remember_fact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about remember_fact

What does the remember_fact tool do? +

Store or update a durable fact for future tasks. It is categorised as a Write tool in the Mcp Control Plane MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on remember_fact? +

Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for remember_fact: 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 Control Plane. Nothing to install.

What risk level is remember_fact? +

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

Can I rate-limit remember_fact? +

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

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

remember_fact is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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