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grimoire

grimoire

by PentHertz
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

grimoire_which

Check if a tool or binary is installed on the system and return its installation path.

Instructions

Check whether a tool/binary is installed and where.

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": {
      "tool": "<tool>"
    },
    "name": "grimoire_which"
  }
}

Input Schema

NameRequiredDescriptionDefault
toolYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.2/5.0
Behavior2/5

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

With no annotations, the description must disclose all behavioral traits. It only states the basic function without detailing return format, error handling (e.g., if tool not found), permissions, or side effects. This is insufficient for full transparency.

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?

The description is a single sentence with no redundant words. It efficiently conveys the tool's purpose without extraneous information, making it quick to parse.

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

Completeness3/5

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

Given the tool's simplicity (one param, no output schema), the description is nearly adequate. However, it omits the return value description, which is critical for an agent to understand the tool's output. A complete description should mention whether it returns a path or boolean, for example.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must compensate. It adds 'tool/binary' as context for the 'tool' parameter, but lacks details on expected format, examples, or constraints beyond type string. This provides minimal added value.

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 verb 'Check' and the resource 'tool/binary', specifying both the action (check installation) and the scope (where). It distinguishes from sibling tools that cover categories, environment, documentation, etc., by focusing on installation status.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives like grimoire_env or grimoire_search. The description does not mention prerequisites, context dependencies, or exclusion criteria, leaving the agent to infer appropriate usage.

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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