uxi_write

A write tool on the API-Central MCP server.

SERVERAPI-Central SOURCEsecure-ssid/centralmcp

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/secure-ssid-centralmcp/uxi-write.md

WHAT IT DOES

What uxi_write does on API-Central

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

RISK

Why uxi_write is rated Medium

The name strongly suggests a Write category action (creates or modifies data reversibly). While the empty description reduces confidence slightly, the semantic clarity of 'write' in the tool name, combined with the domain context of network operations and configuration management, supports classification as Write rather than Read or Execute.

From the tool's definition Tool name 'uxi_write' contains 'write' which indicates data modification capability. The description is empty, providing no additional context.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs uxi_write safely

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

uxi_write Rate-limited

uxi_write 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": {
    "uxi_write": {
      "limits": [
        {
          "counter": "uxi_write_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 API-Central, apply this rule, and every uxi_write call is checked against it from then on.

FAQ

Questions about uxi_write

What does the uxi_write tool do? +

uxi_write is a write tool on the API-Central MCP server. It is categorised as a Write tool in the API-Central MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on uxi_write? +

Register the API-Central MCP server in PolicyLayer and add a rule for uxi_write: 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 API-Central. Nothing to install.

What risk level is uxi_write? +

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

Can I rate-limit uxi_write? +

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

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

uxi_write is provided by the API-Central MCP server (secure-ssid/centralmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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