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Shared Skills Registry MCP

Shared Skills Registry MCP

by cobibean
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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search_shared_skills

Find reusable AI-agent skills by querying the Shared Skills Registry. Filter results by category and limit to discover relevant skills with guardrails.

Instructions

Search Shared Skills Registry metadata.

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": {
      "query": "<query>"
    },
    "name": "search_shared_skills"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNo
queryYes
categoryNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It only states 'Search' implying a read operation, but does not confirm idempotency, pagination, or whether results are filtered. Critical details about side effects or data returned are missing.

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 a single sentence, which is concise but at the expense of completeness. It could be expanded to cover key details without becoming overly long.

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

Completeness1/5

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

Given the lack of output schema, no parameter descriptions, and no annotations, the description is severely insufficient. An agent cannot reliably use this tool without additional context.

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 explain the parameters 'query,' 'limit,' or 'category.' The agent has no semantic clues about how to use these parameters correctly.

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 'Search Shared Skills Registry metadata,' which clearly identifies the verb (search) and resource. However, it does not differentiate from sibling tools like 'list_shared_skills' or 'retrieve_shared_skill' that might perform similar functions.

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 is provided on when to use this tool vs alternatives like 'list_shared_skills' for listing all skills or 'retrieve_shared_skill' for a specific one. The description lacks context on prerequisites or appropriate scenarios.

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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