High Risk →

memory_write

Write bytes to the target system

How to control memory_write ↓

What memory_write does on Nevercheese Pcileech Memprocfs

AI agents invoke memory_write to trigger actions in Nevercheese Pcileech Memprocfs. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

High Risk

Why memory_write needs a policy

This tool writes arbitrary bytes directly into another system's physical memory via DMA (Direct Memory Access). This is an extremely high-severity capability: it can overwrite kernel structures, process memory, security controls, or any other data in the target system's RAM.

From the tool's definition 'Write bytes to the target system' via DMA-based direct memory operations

Documented attack patterns abuse exactly the kind of access memory_write gives an agent:

How to control memory_write

PolicyLayer is an MCP gateway — it sits between your AI agents and Nevercheese Pcileech Memprocfs, and nothing reaches the server without passing your rules. This is the rule we recommend for memory_write:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "memory_write": {
      "limits": [
        {
          "counter": "memory_write_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

memory_write stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

  1. Create a free account and register Nevercheese Pcileech Memprocfs — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
RATE-LIMIT THIS TOOL →

Free to start. No card required.

Related tools and policies

Go deeper

Questions about memory_write

What does the memory_write tool do? +

Write bytes to the target system. It is categorised as a Execute tool in the Nevercheese Pcileech Memprocfs MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on memory_write? +

Register the Nevercheese Pcileech Memprocfs MCP server in PolicyLayer and add a rule for memory_write: 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 Nevercheese Pcileech Memprocfs. Nothing to install.

What risk level is memory_write? +

memory_write is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit memory_write? +

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

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

memory_write is provided by the Nevercheese Pcileech Memprocfs MCP server (neverdecel/nevercheese-pcileech-memprocfs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Nevercheese Pcileech Memprocfs tool call.

Start from Nevercheese Pcileech Memprocfs, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

Free to start. No card required.

37 Nevercheese Pcileech Memprocfs tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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