ado_add_comment · Mcp Azure MCP: Risk & Policy

WHAT IT DOES

What ado_add_comment does on Mcp Azure

AI agents use ado_add_comment to create or update resources in Mcp Azure — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Azure environment.

WHY IT NEEDS A POLICY

Why ado_add_comment needs a policy

Adding comments to work items is a Write operation—it creates new data that can be edited or deleted later, but does not irreversibly destroy data nor execute arbitrary code. The ability to mention users via @{displayName} is a standard collaboration feature without elevated risk.

From the tool's definition Tool description states "Agrega un comentario/entrada de discusión a un Work Item" (Adds a comment/discussion entry to a Work Item). This is a reversible modification operation that creates new content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ado_add_comment Rate-limited

ado_add_comment 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": {
    "ado_add_comment": {
      "limits": [
        {
          "counter": "ado_add_comment_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 Mcp Azure, so you can run agents against it safely.

FAQ

Questions about ado_add_comment

What does the ado_add_comment tool do? +

Agrega un comentario/entrada de discusión a un Work Item. Soporta formato Markdown y menciones. Para mencionar usuarios, primero usa ado_search_users para obtener el ID de identidad (UUID), luego inclúyelo en el campo mentions. En el texto del comentario, escribe @{displayName} donde quieras la mención. It is categorised as a Write tool in the Mcp Azure MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ado_add_comment? +

Register the Mcp Azure MCP server in PolicyLayer and add a rule for ado_add_comment: 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 Mcp Azure. Nothing to install.

What risk level is ado_add_comment? +

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

Can I rate-limit ado_add_comment? +

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

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

ado_add_comment is provided by the Mcp Azure MCP server (soulberto/mcp-azure). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.