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CVAT MCP

CVAT MCP

by jangjs1216
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

cvat_get_api_schema

Retrieve the CVAT OpenAPI schema to inspect official API endpoints or convert them into MCP tools.

Instructions

Fetch the CVAT OpenAPI schema from GET /api/schema/ so official API endpoints can be inspected or converted into MCP tools.

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": "cvat_get_api_schema"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.1/5.0
Behavior3/5

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

No annotations are provided, so the description must carry the burden. It states the tool fetches a schema via a GET request, which implies a read-only operation. However, it does not disclose authentication requirements, rate limits, or the fact that the response is a JSON schema. For a simple tool, this is adequate but not thorough.

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 a single, well-structured sentence that includes the action, resource, endpoint, and purpose. No extraneous words; every part contributes value.

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

Completeness5/5

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

Given the tool has no parameters, no output schema, and no annotations, the description is complete enough. It clearly distinguishes the tool from siblings and provides the necessary information for an agent to decide when and how to invoke it.

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 input schema is empty with 100% coverage, so the schema already defines all parameters. The description adds no further parameter details. According to guidelines, high schema coverage yields baseline 3, which is appropriate here.

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 action ('Fetch'), the exact resource ('CVAT OpenAPI schema'), and the specific endpoint ('GET /api/schema/'). It also explains the purpose ('inspected or converted into MCP tools'), which distinguishes it from siblings that focus on data operations.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use the tool (when you need to inspect or convert API endpoints) but does not explicitly exclude contexts or name alternatives. Given the sibling tools cover concrete CVAT operations, the usage context is clear enough.

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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