execute_jsonata_query · AviBase MCP Server MCP

WHAT IT DOES

What execute_jsonata_query does on AviBase MCP Server

AI agents invoke execute_jsonata_query to trigger actions in AviBase MCP Server. 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_jsonata_query needs a policy

The tool allows execution of arbitrary JSONata expressions, which is a Turing-complete language capable of complex transformations and computations on the underlying dataset.

From the tool's definition Tool name is 'execute_jsonata_query' with description stating it 'Execute[s] a raw JSONata query' — this explicitly permits arbitrary query execution against the bird data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

execute_jsonata_query Rate-limited

execute_jsonata_query 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_jsonata_query": {
      "limits": [
        {
          "counter": "execute_jsonata_query_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 AviBase MCP Server, so you can run agents against it safely.

FAQ

Questions about execute_jsonata_query

What does the execute_jsonata_query tool do? +

Execute a raw JSONata query for advanced data analysis and transformation. JSONata is a powerful query language for JSON data. It is categorised as a Execute tool in the AviBase MCP Server 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_jsonata_query? +

Register the AviBase MCP Server MCP server in PolicyLayer and add a rule for execute_jsonata_query: 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 AviBase MCP Server. Nothing to install.

What risk level is execute_jsonata_query? +

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

Can I rate-limit execute_jsonata_query? +

Yes. Add a rate_limit block to the execute_jsonata_query 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_jsonata_query completely? +

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

execute_jsonata_query is provided by the AviBase MCP Server MCP server (kshayk/avibase-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.