write_to_memory

Updates the user

SERVERCss Tutor SOURCE3mdistal/css-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/3mdistal-css-mcp-server/write-to-memory.md

WHAT IT DOES

What write_to_memory does on Css Tutor

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

RISK

Why write_to_memory is rated Medium

This tool creates or modifies user data (knowledge tracking, preferences, or learning progress) in a reversible manner. It does not delete data (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read).

From the tool's definition Tool name 'write_to_memory' and description 'Updates the user' indicate data modification. The context shows this is part of a tutoring system that 'tracking user knowledge,' suggesting persistent state updates to user learning records.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs write_to_memory safely

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

write_to_memory Rate-limited

write_to_memory 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": {
    "write_to_memory": {
      "limits": [
        {
          "counter": "write_to_memory_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 Css Tutor, apply this rule, and every write_to_memory call is checked against it from then on.

FAQ

Questions about write_to_memory

What does the write_to_memory tool do? +

Updates the user. It is categorised as a Write tool in the Css Tutor MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on write_to_memory? +

Register the Css Tutor MCP server in PolicyLayer and add a rule for write_to_memory: 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 Css Tutor. Nothing to install.

What risk level is write_to_memory? +

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

Can I rate-limit write_to_memory? +

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

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

write_to_memory is provided by the Css Tutor MCP server (3mdistal/css-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

What write_to_memory does on Css Tutor

Why write_to_memory is rated Medium

The rule that runs write_to_memory safely

Questions about write_to_memory

More on Css Tutor, and thousands of servers like it.