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naive000

lazy-mcp-router

by naive000

load_tool

Load the backend that owns a given tool and return its safe tool detail, enabling secure tool access through the router.

Instructions

Load the backend that owns a tool and return its safe tool detail.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
tool_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.7/5.0
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. The word 'safe' hints the operation is non-destructive, but it never states side effects, whether it's read-only, what 'safe tool detail' actually returns, or error behavior. The transparency is thin and leaves the agent to infer.

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

Conciseness4/5

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

A single front-loaded sentence with no filler. The action verb leads and the rest is compact, though brevity comes at the cost of explanatory detail.

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?

With no output schema and no annotations, the description must explain both inputs and expected returns. 'Safe tool detail' is never defined, and there's no guidance on when loading is appropriate versus calling. The description is too thin for a 1-param tool that could easily be more explicit.

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 coverage is 0%, so the description must compensate for the parameter. It implies tool_id identifies a tool, but doesn't explain the ID's format, how to obtain it (e.g., via search_tools), or its relationship to backends. The description only partially bridges the schema gap.

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 states a specific verb ('Load') and resource ('the backend that owns a tool') and notes it returns 'safe tool detail'. It's clear about the core action, but 'safe tool detail' is ambiguous and the description doesn't explicitly distinguish itself from siblings like call_tool or search_tools.

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 its siblings (list_backends, search_tools, call_tool). The description doesn't mention alternatives, prerequisites, or exclusions, leaving an agent to guess whether it should load, call, or search a tool.

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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