fill-input · TgeBrowser MCP Server MCP: Risk & Policy

WHAT IT DOES

What fill-input does on TgeBrowser MCP Server

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

WHY IT NEEDS A POLICY

Why fill-input needs a policy

Filling input fields is a reversible modification action that changes data state in web forms. It does not execute arbitrary code, delete data, or move money. The Write category applies because it creates or modifies data (form submissions, field values).

From the tool's definition Tool name is 'fill-input' with description 'Fill the input'. In context of browser automation, this tool modifies form fields and input elements, which creates or updates data in web applications (Write category).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

fill-input Rate-limited

fill-input 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": {
    "fill-input": {
      "limits": [
        {
          "counter": "fill-input_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches TgeBrowser MCP Server, so you can run agents against it safely.

FAQ

Questions about fill-input

What does the fill-input tool do? +

Fill the input. It is categorised as a Write tool in the TgeBrowser 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 fill-input? +

Register the TgeBrowser MCP Server MCP server in PolicyLayer and add a rule for fill-input: 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 TgeBrowser MCP Server. Nothing to install.

What risk level is fill-input? +

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

Can I rate-limit fill-input? +

Yes. Add a rate_limit block to the fill-input 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 fill-input completely? +

Set action: deny in the PolicyLayer policy for fill-input. 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 fill-input? +

fill-input is provided by the TgeBrowser MCP Server MCP server (tuguang2025/tgebrowser-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.