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Codex SSH Terminal MCP

Codex SSH Terminal MCP

by NullPointerChef
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

send_command

Execute shell commands on a remote server via a shared SSH terminal. Use for non-sensitive commands, not for passwords or codes.

Instructions

Send a non-secret shell command to the shared SSH terminal. Do not use for passwords or verification codes.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "command": "<command>"
    },
    "name": "send_command"
  }
}

Input Schema

NameRequiredDescriptionDefault
commandYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. It implies a non-destructive, non-secret operation but does not disclose side effects, output, error states, or any execution details.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with no wasted words. Front-loaded with purpose and critical constraint.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and a single parameter, the description still fails to explain return values, execution behavior, or error conditions, leaving the agent with limited information for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Only one parameter 'command' is described implicitly as a shell command. The description adds the meaning 'shell command' and the constraint 'non-secret', which goes beyond the schema's mere string type, but lacks format or length guidance.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('send'), the resource ('non-secret shell command to shared SSH terminal'), and includes an important exclusion ('do not use for passwords or verification codes'). It differentiates from secret-related commands but is brief.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides a negative guideline (do not use for secrets) but no explicit context on when to use this tool over siblings like 'control' or other terminal-related tools. Lacks positive usage scenarios.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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