set_stackcache_policy

Set StackCache policy for CSS, images, and JavaScript

SERVER20i MCP Server SOURCEcbrown35/20i-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/cbrown35-20i-mcp/set-stackcache-policy.md

WHAT IT DOES

What set_stackcache_policy does on 20i MCP Server

AI agents use set_stackcache_policy to create or update resources in 20i MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 20i MCP Server environment.

RISK

Why set_stackcache_policy is rated Medium

This tool modifies caching policies for web assets, which is a reversible configuration change. It does not execute arbitrary code, delete data irreversibly, or move money. The 'set' operation is characteristic of Write-class tools. Severity is medium because misconfiguration could degrade site performance or cause unintended caching behavior, but changes are reversible through reconfiguration.

From the tool's definition Tool name 'set_stackcache_policy' and description 'Set StackCache policy for CSS, images, and JavaScript' indicate modification of caching configuration settings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_stackcache_policy safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 20i MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_stackcache_policy, this is the rule to start with:

set_stackcache_policy Rate-limited

set_stackcache_policy 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": {
    "set_stackcache_policy": {
      "limits": [
        {
          "counter": "set_stackcache_policy_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 20i MCP Server, apply this rule, and every set_stackcache_policy call is checked against it from then on.

FAQ

Questions about set_stackcache_policy

What does the set_stackcache_policy tool do? +

Set StackCache policy for CSS, images, and JavaScript. It is categorised as a Write tool in the 20i MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_stackcache_policy? +

Register the 20i MCP Server MCP server in PolicyLayer and add a rule for set_stackcache_policy: 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 20i MCP Server. Nothing to install.

What risk level is set_stackcache_policy? +

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

Can I rate-limit set_stackcache_policy? +

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

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

set_stackcache_policy is provided by the 20i MCP Server MCP server (cbrown35/20i-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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