ack_shared_context

Acknowledge that a peer received and accepted a context packet.

SERVERNodebench SOURCEnodebench-mcp

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/io-github-homenshum-nodebench/ack-shared-context.md

WHAT IT DOES

What ack_shared_context does on Nodebench

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

RISK

Why ack_shared_context is rated Medium

Acknowledging receipt updates some shared state or messaging record (marking a context packet as received/accepted), which is a reversible write operation. It does not delete data, execute code, or involve finances. Severity is low since it's a lightweight state update with minimal blast radius.

From the tool's definition Acknowledge that a peer received and accepted a context packet

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs ack_shared_context safely

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

ack_shared_context Rate-limited

ack_shared_context 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": {
    "ack_shared_context": {
      "limits": [
        {
          "counter": "ack_shared_context_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 Nodebench, apply this rule, and every ack_shared_context call is checked against it from then on.

FAQ

Questions about ack_shared_context

What does the ack_shared_context tool do? +

Acknowledge that a peer received and accepted a context packet. It is categorised as a Write tool in the Nodebench MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ack_shared_context? +

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

What risk level is ack_shared_context? +

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

Can I rate-limit ack_shared_context? +

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

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

ack_shared_context is provided by the Nodebench MCP server (nodebench-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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