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AI Process Manager

AI Process Manager

by aipm-engine
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JavaScript
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check_file

Read-only

Check file or folder status including existence, size, last modified time, and lock state to verify render or export completion without opening Explorer.

Instructions

File or folder status: exists, size, last modified, locked?, locking process. Ideal for checking if a render/export finished without opening Explorer.

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": {
      "path": "<path>"
    },
    "name": "check_file"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathYesAbsolute path, e.g. D:/videos/output.mp4

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.5.0

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false. The description adds useful behavioral details: it can detect file locks and identify the locking process, and it performs checks without opening Explorer. This goes beyond the annotations but doesn't cover error behavior or permissions.

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 concise sentences front-load the key information and provide an example use case. Every word earns its place with no redundancy.

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

Completeness4/5

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

For a one-parameter, no-output-schema tool, the description is fairly complete. It lists the specific status fields and the ideal use case. However, it doesn't explicitly state return format or error conditions, which would make it fully complete.

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?

The schema provides comprehensive documentation for the single 'path' parameter, including an example. The description adds no further parameter meaning beyond what the schema already covers, so the baseline score of 3 applies.

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

Purpose5/5

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

The description clearly states the tool checks file/folder status including existence, size, last modified, locked state, and locking process. This specific verb+resource combination distinguishes it from siblings like check_process and get_system_status.

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

Usage Guidelines4/5

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

Provides a clear use case ('checking if a render/export finished') and implies the tool avoids opening Explorer. However, it does not explicitly mention alternatives or when not to use it, so it falls just short of a 5.

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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