pylon_remove_tags · Pylon MCP: Risk & Policy

WHAT IT DOES

What pylon_remove_tags does on Pylon

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

WHY IT NEEDS A POLICY

Why pylon_remove_tags needs a policy

Removing tags is a reversible modification — tags can be re-added using pylon_add_tags. It modifies issue metadata but does not delete the issue or any core data, making it a Write-level operation with low blast radius.

From the tool's definition Remove specific tags from a Pylon issue without affecting other tags

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pylon_remove_tags Rate-limited

pylon_remove_tags 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": {
    "pylon_remove_tags": {
      "limits": [
        {
          "counter": "pylon_remove_tags_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about pylon_remove_tags

What does the pylon_remove_tags tool do? +

Remove specific tags from a Pylon issue without affecting other tags. To add tags, use pylon_add_tags; to replace all, use pylon_update_issue. It is categorised as a Write tool in the Pylon MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pylon_remove_tags? +

Register the Pylon MCP server in PolicyLayer and add a rule for pylon_remove_tags: 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 Pylon. Nothing to install.

What risk level is pylon_remove_tags? +

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

Can I rate-limit pylon_remove_tags? +

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

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

pylon_remove_tags is provided by the Pylon MCP server (@customer-support-success/pylon-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.