run_skill_script

A execute tool on the Skill Management MCP server.

SERVERSkill Management MCP Server SOURCEfkesheh/skill-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/fkesheh-skill-mcp/run-skill-script.md

WHAT IT DOES

What run_skill_script does on Skill Management MCP Server

AI agents invoke run_skill_script to trigger actions in Skill Management MCP Server. 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.

RISK

Why run_skill_script is rated High

This tool executes scripts, which is an Execute category action. The severity is high because script execution can have broad side effects depending on script contents (file access, network calls, system operations), though the local nature and skill-management context provide some sandboxing compared to unrestricted shell access.

From the tool's definition Tool name 'run_skill_script' combined with server description stating it 'executes scripts with automatic dependency management and environment variables' indicates arbitrary code execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs run_skill_script safely

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

run_skill_script Rate-limited

run_skill_script 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_skill_script": {
      "limits": [
        {
          "counter": "run_skill_script_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Skill Management MCP Server, apply this rule, and every run_skill_script call is checked against it from then on.

FAQ

Questions about run_skill_script

What does the run_skill_script tool do? +

run_skill_script is a execute tool on the Skill Management MCP Server MCP server. It is categorised as a Execute tool in the Skill Management MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_skill_script? +

Register the Skill Management MCP Server MCP server in PolicyLayer and add a rule for run_skill_script: 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 Skill Management MCP Server. Nothing to install.

What risk level is run_skill_script? +

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

Can I rate-limit run_skill_script? +

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

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

run_skill_script is provided by the Skill Management MCP Server MCP server (fkesheh/skill-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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