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oh-my-mcp

oh-my-mcp

by quyansiyuanwang
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

parse_yaml

Parse YAML strings into JSON format, enabling structured data access and manipulation.

Instructions

Parse YAML string to JSON.

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": {
      "yaml_string": "<yaml_string>"
    },
    "name": "parse_yaml"
  }
}

Input Schema

NameRequiredDescriptionDefault
yaml_stringYesYAML string to parse

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.7/5.0
Behavior3/5

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

No annotations are provided, so the description carries full burden. It does not disclose error handling, supported YAML features, or output format details beyond the name. This is acceptable for a simple transformation but lacks depth.

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?

The description is a single, concise sentence that front-loads the core purpose. However, it could include a bit more context without becoming verbose, such as error behavior or output format note.

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?

The tool has low complexity and an existing output schema, so the description does not need to explain return values. The brief description is sufficient for basic understanding, though it could benefit from noting supported YAML versions.

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 single parameter 'yaml_string' is described in the schema as 'YAML string to parse'. Since schema coverage is 100%, the description adds no additional meaning beyond what the schema already provides, meeting the baseline.

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's function: parsing YAML strings to JSON. It uses a specific verb and resource, distinguishing it from sibling parse tools like parse_csv, parse_html, and parse_json.

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?

No explicit guidance on when to use this tool over alternatives. While the purpose is clear, there is no mention of prerequisites, limitations, or when not to use it. The context is implied but not explicit.

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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