tecton_cli_execute · Tecton MCP: Risk & Policy

WHAT IT DOES

What tecton_cli_execute does on Tecton

AI agents invoke tecton_cli_execute to trigger actions in Tecton. 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 tecton_cli_execute needs a policy

This tool directly executes arbitrary Tecton CLI commands, which can modify infrastructure, trigger data pipelines, change configurations, and perform other operational tasks. While the description is empty (lowering confidence slightly), the name and server context make the Execute category clear.

From the tool's definition Tool named 'tecton_cli_execute' with empty description. The name explicitly indicates execution of Tecton CLI commands. The server description states it enables 'execution of Tecton CLI commands,' confirming this tool runs external operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tecton_cli_execute Rate-limited

tecton_cli_execute 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": {
    "tecton_cli_execute": {
      "limits": [
        {
          "counter": "tecton_cli_execute_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 Tecton, so you can run agents against it safely.

FAQ

Questions about tecton_cli_execute

What does the tecton_cli_execute tool do? +

tecton_cli_execute. It is categorised as a Execute tool in the Tecton MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on tecton_cli_execute? +

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

What risk level is tecton_cli_execute? +

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

Can I rate-limit tecton_cli_execute? +

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

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

tecton_cli_execute is provided by the Tecton MCP server (slavovthinks/tecton-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.