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tool-mcp-server

tool-mcp-server

by maple-awa
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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tool_json_to_yaml

Convert JSON data to YAML format, enabling use in configuration files and applications that require YAML syntax.

Instructions

[data] JSON to YAML

Parameters:

  • json (json): JSON

Outputs:

  • yaml (string): YAML

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "tool_json_to_yaml"
  }
}

Input Schema

NameRequiredDescriptionDefault
jsonNoJSON
yamlNoYAML

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.8/5.0
Behavior3/5

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

No annotations are provided, and the description only states the output type (yaml string). It does not disclose edge-case behaviors such as handling of invalid JSON, formatting options, or key ordering. For a simple conversion tool, this is adequate but not rich in behavioral detail.

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 extremely concise, with a clear front-loaded purpose and a structured list of parameters and outputs. Every line serves a functional purpose, making it easy to scan and understand.

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 simple JSON-to-YAML converter, the description covers the essential input and output structure. It lacks details on error handling and any conversion nuances, but the simplicity and presence of the schema make the tool adequately complete for basic usage.

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?

Schema description coverage is 100%, and the description merely repeats the schema's parameter names and types without adding extra meaning. The schema already defines 'json' and 'yaml' properties, so the description adds no new semantic information.

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 conversion from JSON to YAML with a specific verb/action and resource. It distinguishes itself from the sibling tool tool_yaml_to_json by explicitly naming the direction of conversion.

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 usage is implied by the name and description, but there is no explicit guidance on when to use this tool versus alternatives. The sibling tool tool_yaml_to_json exists but is not referenced, so the agent must infer the appropriate context.

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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