shadcn_get_component

SERVER0nmcp SOURCE0nmcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-0nork-0nmcp/shadcn-get-component.md

WHAT IT DOES

What shadcn_get_component does on 0nmcp

AI agents call shadcn_get_component to retrieve information from 0nmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why shadcn_get_component is rated Low

Even though shadcn_get_component only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs shadcn_get_component safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 0nmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For shadcn_get_component, this is the rule to start with:

shadcn_get_component Allowed

shadcn_get_component is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "shadcn_get_component": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 0nmcp, apply this rule, and every shadcn_get_component call is checked against it from then on.

FAQ

Questions about shadcn_get_component

What does the shadcn_get_component tool do? +

Fetch the live JSON schema for a shadcn component from ui.shadcn.com. Returns files, registry dependencies, npm dependencies, and the source code. Use this to inspect what installing a component will add to a project. It is categorised as a Read tool in the 0nmcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on shadcn_get_component? +

Register the 0n MCP server in PolicyLayer and add a rule for shadcn_get_component: 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 0nmcp. Nothing to install.

What risk level is shadcn_get_component? +

shadcn_get_component is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit shadcn_get_component? +

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

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

shadcn_get_component is provided by the 0n MCP server (0nmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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