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@takeokunn/metabase-mcp

@takeokunn/metabase-mcp

by takeokunn
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

get_collection_tree

Retrieve the hierarchical tree structure of all Metabase collections to understand organization and navigation paths.

Instructions

Get the hierarchical tree structure of all collections in Metabase

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": "get_collection_tree"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.2.0

TDQS

B3.2/5.0
Behavior2/5

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

No annotations are provided, so the description must carry the full burden of disclosing behavioral traits. However, it only states the basic action without mentioning side effects, permissions, or whether it's a read-only operation. The description lacks transparency about what the tool does beyond its stated purpose.

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 concise sentence that immediately communicates the tool's purpose. There is no redundant or extraneous information, making it highly efficient and front-loaded.

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?

Given the absence of an output schema, the description should provide context about the return value. It does not describe the hierarchical tree structure's format or content. For a tool with no parameters, the description is insufficiently complete to fully inform an agent about the expected output.

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 has no parameters, so schema coverage is 100% trivially. The description does not need to add parameter information. It adds no additional meaning beyond the schema, earning the baseline score of 3.

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 purpose: to retrieve the hierarchical tree structure of all collections in Metabase. It uses a specific verb ('Get') and defines the resource precisely, distinguishing it from siblings like 'get_collection' (single collection) and 'get_collection_items' (list items in a collection).

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?

The description provides no guidance on when to use this tool versus alternatives. Among sibling tools like 'get_collection', 'get_collection_items', and 'get_root_collection', there is no mention of scenarios or exclusions, leaving the agent to infer usage without support.

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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