shell_get_output

Get captured stdout/stderr/status for a tracked background process.

SERVERLocalAnt SOURCEyuga-hashimoto/localant

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/yuga-hashimoto-localant/shell-get-output.md

WHAT IT DOES

What shell_get_output does on LocalAnt

AI agents call shell_get_output to retrieve information from LocalAnt without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why shell_get_output is rated Low

This tool retrieves process output that has already been captured from a background process. It does not execute commands, modify data, delete anything, or trigger financial operations. While it operates in the context of shell process management, the specific action is read-only retrieval of cached/stored output.

From the tool's definition Tool name 'shell_get_output' and description 'Get captured stdout/stderr/status for a tracked background process' indicate retrieval of process output data with no modification or execution of new commands.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs shell_get_output safely

PolicyLayer is an MCP gateway: it sits between your AI agents and LocalAnt, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For shell_get_output, this is the rule to start with:

shell_get_output Allowed

shell_get_output is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "shell_get_output": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect LocalAnt, apply this rule, and every shell_get_output call is checked against it from then on.

FAQ

Questions about shell_get_output

What does the shell_get_output tool do? +

Get captured stdout/stderr/status for a tracked background process. It is categorised as a Read tool in the LocalAnt MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on shell_get_output? +

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

What risk level is shell_get_output? +

shell_get_output is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit shell_get_output? +

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

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

shell_get_output is provided by the LocalAnt MCP server (yuga-hashimoto/localant). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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