read_from_memory

Reads the user

SERVERCss Tutor SOURCE3mdistal/css-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

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

WHAT IT DOES

What read_from_memory does on Css Tutor

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

RISK

Why read_from_memory is rated Low

This tool retrieves stored user data (knowledge state, preferences, history) from memory without modifying it. Reading user state is essential for providing personalized tutoring and poses no risk of data loss, financial impact, or unintended execution. The low severity reflects that misuse would only expose already-stored user information rather than cause damage.

From the tool's definition Tool name is 'read_from_memory' and description indicates it 'Reads the user' - a retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs read_from_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 read_from_memory, this is the rule to start with:

read_from_memory Allowed

read_from_memory 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": {
    "read_from_memory": {}
  }
}

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

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

FAQ

Questions about read_from_memory

What does the read_from_memory tool do? +

Reads the user. It is categorised as a Read tool in the Css Tutor MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on read_from_memory? +

Register the Css Tutor MCP server in PolicyLayer and add a rule for read_from_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 read_from_memory? +

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

Can I rate-limit read_from_memory? +

Yes. Add a rate_limit block to the read_from_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 read_from_memory completely? +

Set action: deny in the PolicyLayer policy for read_from_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 read_from_memory? +

read_from_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 read_from_memory does on Css Tutor

Why read_from_memory is rated Low

The rule that runs read_from_memory safely

Questions about read_from_memory

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