execute-batch-queries · MCP Firebird MCP: Risk & Policy

WHAT IT DOES

What execute-batch-queries does on MCP Firebird

AI agents invoke execute-batch-queries to trigger actions in MCP Firebird. 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 execute-batch-queries needs a policy

This tool runs arbitrary SQL queries against a Firebird database. While it may not directly delete data (which would be Destructive), it can execute any SQL command including INSERT, UPDATE, SELECT, or other operations. The parallel execution capability increases the potential blast radius.

From the tool's definition Tool is named 'execute-batch-queries' and described as 'Executes multiple SQL queries in parallel'. The verb 'executes' combined with the ability to run multiple SQL queries indicates this tool triggers external database operations whose effects depend on the…

Risk signalsBulk/mass operation — affects multiple targets

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

execute-batch-queries Rate-limited

execute-batch-queries 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": {
    "execute-batch-queries": {
      "limits": [
        {
          "counter": "execute-batch-queries_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 MCP Firebird, so you can run agents against it safely.

FAQ

Questions about execute-batch-queries

What does the execute-batch-queries tool do? +

Executes multiple SQL queries in parallel for improved performance. It is categorised as a Execute tool in the MCP Firebird MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on execute-batch-queries? +

Register the MCP Firebird MCP server in PolicyLayer and add a rule for execute-batch-queries: 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 Firebird. Nothing to install.

What risk level is execute-batch-queries? +

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

Can I rate-limit execute-batch-queries? +

Yes. Add a rate_limit block to the execute-batch-queries 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 execute-batch-queries completely? +

Set action: deny in the PolicyLayer policy for execute-batch-queries. 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 execute-batch-queries? +

execute-batch-queries is provided by the MCP Firebird MCP server (luancamara/mcpfirebird). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.