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EugenEistrach

mcp-loader

test

Send a test message to verify that MCP loader successfully loads and runs tools from placed files. Use it to confirm the server responds correctly.

Instructions

Test tool to verify MCP loader works

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

C2.4/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full burden of disclosing behavior. It only states that this is a test tool; it does not say whether the call is read-only, whether it has side effects, what it returns, or what 'verify' entails. Some behavior is implied but not meaningfully disclosed.

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

Conciseness3/5

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

The description is concise and front-loaded with the core purpose in a single sentence. However, the brevity comes at the cost of under-specification: it omits parameter semantics, return behavior, and any guidance that would make the tool independently usable.

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, no annotations, and no parameter explanation, an agent cannot fully predict the call's behavior or response. For a tool whose entire job is to verify a loader, the description should at least state the expected result or failure signal. The current description is only minimally adequate as a placeholder.

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

Parameters1/5

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

Schema description coverage is 0%, and the description does not mention the 'message' parameter at all. The input schema provides only a name and type, leaving an agent without any idea what message means, whether it is echoed, validated, or used as a test payload.

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

Purpose3/5

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

The description states a general purpose—verifying the MCP loader works—so it is not a pure tautology. However, it is vague: it does not specify what the tool actually does when called, what 'works' means, or how it differs from sibling test tools like test_echo or test_liveTest.

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?

The phrase 'to verify MCP loader works' implies the tool should be used as a smoke test for the loader. There is no explicit guidance about when to prefer this tool over sibling test tools, and no exclusions or alternative recommendations are provided.

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