generate_and_fetch_code

One-step tool to generate a UI screen and immediately retrieve its HTML code

SERVERStitch MCP Server SOURCE0x-professor/stitch-mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/0x-professor-stitch-mcp-server/generate-and-fetch-code.md

WHAT IT DOES

What generate_and_fetch_code does on Stitch MCP Server

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

RISK

Why generate_and_fetch_code is rated Medium

This tool creates new HTML/UI content (Write category) rather than merely reading existing data. It has reversible effects—generated code can be modified or deleted—so it does not qualify as Destructive.

From the tool's definition Tool generates UI screens and creates HTML code via the Stitch API. The description states it will 'generate a UI screen and immediately retrieve its HTML code', indicating creation of new artifacts.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs generate_and_fetch_code safely

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

generate_and_fetch_code Rate-limited

generate_and_fetch_code 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": {
    "generate_and_fetch_code": {
      "limits": [
        {
          "counter": "generate_and_fetch_code_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 Stitch MCP Server, apply this rule, and every generate_and_fetch_code call is checked against it from then on.

FAQ

Questions about generate_and_fetch_code

What does the generate_and_fetch_code tool do? +

One-step tool to generate a UI screen and immediately retrieve its HTML code. It is categorised as a Write tool in the Stitch 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 generate_and_fetch_code? +

Register the Stitch MCP Server MCP server in PolicyLayer and add a rule for generate_and_fetch_code: 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 Stitch MCP Server. Nothing to install.

What risk level is generate_and_fetch_code? +

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

Can I rate-limit generate_and_fetch_code? +

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

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

generate_and_fetch_code is provided by the Stitch MCP Server MCP server (0x-professor/stitch-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Stitch MCP Server, and thousands of servers like it.

This server

All 9 Stitch MCP Server tools →

Across the catalogue

generate_commit on MCP Server PR Pilot →generate_video_title on YouTube MCP Server →generate_devtools_report on Percepta MCP Server →generate_evidence_manifest on Android Forensics ADB MCP Server → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →