open_composition_editor · EuConquisto Composer MCP

WHAT IT DOES

What open_composition_editor does on EuConquisto Composer MCP

AI agents invoke open_composition_editor to trigger actions in EuConquisto Composer MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why open_composition_editor needs a policy

This tool performs navigation to an external editor (Execute category) rather than simply reading or writing data. It triggers an external operation (opening the Composer editor UI, navigating within it) and performs debugging/health assessment, which constitutes an active external operation.

From the tool's definition 'Navigate to saved composition in Composer editor' and 'Comprehensive navigation debugging and health assessment' — the tool triggers a browser or UI navigation action and performs active health/debug assessment

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

open_composition_editor Rate-limited

open_composition_editor stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "open_composition_editor": {
      "limits": [
        {
          "counter": "open_composition_editor_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about open_composition_editor

What does the open_composition_editor tool do? +

STEP 5: Navigate to saved composition in Composer editor. Comprehensive navigation debugging and health assessment. It is categorised as a Execute tool in the EuConquisto Composer MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on open_composition_editor? +

Register the EuConquisto Composer MCP server in PolicyLayer and add a rule for open_composition_editor: 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 EuConquisto Composer MCP. Nothing to install.

What risk level is open_composition_editor? +

open_composition_editor is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit open_composition_editor? +

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

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

open_composition_editor is provided by the EuConquisto Composer MCP server (rkm097git/euconquisto-composer-mcp-poc). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.