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SalehKhatri

postman-mcp

by SalehKhatri

get_collection

To get detailed information about a specific Postman collection, provide its UID. This returns the collection's metadata, requests, and structure.

Instructions

Get detailed information about a specific collection

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
collectionUidYesThe UID of the collection.
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 burden. It only says 'Get detailed information' which is essentially a restatement of the tool name. It does not disclose error handling, permissions, or what constitutes 'detailed information'.

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 with no filler or redundant information. It earns its place by stating the core purpose efficiently.

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

Completeness3/5

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

For a simple get tool with one fully-described parameter, the description is minimally adequate. However, with no output schema, it leaves ambiguity about what 'detailed information' includes and gives no indication of when to prefer this over list_collections.

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 provides 100% coverage for collectionUid with a clear description. The tool description adds no additional parameter meaning, but none is needed given the schema's thoroughness.

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 identifies the tool's action ('Get') and resource ('collection'), and the phrase 'specific collection' differentiates it from list_collections. It unambiguously states the purpose.

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 gives no guidance on when to use this tool versus alternatives (e.g., list_collections for multiple collections). The only usage signal is implicit in the name and sibling tool 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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