webpack

Runs webpack build with JSON stats output and returns structured assets, errors, and warnings.

SERVERGithub SOURCE@paretools/github

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/io-github-dave-london-github/webpack.md

WHAT IT DOES

What webpack does on Github

AI agents invoke webpack to trigger actions in Github. 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 webpack is rated High

This tool invokes webpack, a JavaScript bundler that executes arbitrary code during the build process (including custom plugins, loaders, and preprocessors). While the output is structured and read-only (stats/assets), the execution itself can run arbitrary code and produce side effects on the filesystem. This makes it Execute rather than Read.

From the tool's definition The tool 'webpack' runs webpack build with JSON stats output. It executes an external build tool with arguments that determine behavior (build configuration, entry points, plugins, etc.).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs webpack safely

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

webpack Rate-limited

webpack 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": {
    "webpack": {
      "limits": [
        {
          "counter": "webpack_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 Github, apply this rule, and every webpack call is checked against it from then on.

FAQ

Questions about webpack

What does the webpack tool do? +

Runs webpack build with JSON stats output and returns structured assets, errors, and warnings. It is categorised as a Execute tool in the Github MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on webpack? +

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

What risk level is webpack? +

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

Can I rate-limit webpack? +

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

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

webpack is provided by the Github MCP server (@paretools/github). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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