bundle-install

Installs Gemfile dependencies using

SERVERTest SOURCEDave-London/Pare

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-dave-london-pare-test/bundle-install.md

WHAT IT DOES

What bundle-install does on Test

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

RISK

Why bundle-install is rated Medium

bundle-install modifies the project's dependency state by installing Ruby gems from a Gemfile. This is a reversible operation (dependencies can be uninstalled or updated), making it Write rather than Execute or Destructive. Severity is medium because incorrect or malicious packages could compromise the build environment, but the blast radius depends on what packages are installed.

From the tool's definition Tool name 'bundle-install' combined with context indicates it installs dependencies into a project environment. The description is incomplete ('using' with no completion), but the function clearly modifies the project state by adding/updating packages.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs bundle-install safely

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

bundle-install Rate-limited

bundle-install 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": {
    "bundle-install": {
      "limits": [
        {
          "counter": "bundle-install_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 Test, apply this rule, and every bundle-install call is checked against it from then on.

FAQ

Questions about bundle-install

What does the bundle-install tool do? +

Installs Gemfile dependencies using. It is categorised as a Write tool in the Test MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on bundle-install? +

Register the Test MCP server in PolicyLayer and add a rule for bundle-install: 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 Test. Nothing to install.

What risk level is bundle-install? +

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

Can I rate-limit bundle-install? +

Yes. Add a rate_limit block to the bundle-install 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 bundle-install completely? +

Set action: deny in the PolicyLayer policy for bundle-install. 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 bundle-install? +

bundle-install is provided by the Test MCP server (Dave-London/Pare). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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