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frothkoetter

ranger-mcp-server

by frothkoetter

delete_ranger_user

Delete a specific user from Apache Ranger using their unique user ID. This removes the user account from the Ranger authorization system.

Instructions

Delete a Ranger user by id. WRITE OPERATION

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
user_idYes
Behavior2/5

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

No annotations provided. The description marks 'WRITE OPERATION' but does not disclose side effects (e.g., cascade deletions), permission requirements, or whether the operation is reversible. For a delete tool with no annotations, this is insufficient.

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?

Extremely concise: one sentence plus bold label. No filler words.

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?

For a simple tool with one parameter, the description lacks critical context: outcome (permanent?), error handling, expected response. Without annotations or output schema, more context is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Only parameter user_id is described implicitly as 'by id'. Schema coverage is 0%, so description should add meaning to the parameter, but it only restates the obvious. No format, examples, or source explanation.

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 (Delete) and resource (Ranger user) with identifier method (by id). It is distinct from sibling tools like delete_ranger_group or delete_ranger_role.

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 on when to use this tool vs alternatives (e.g., delete vs deactivate), no prerequisites or notes on recoverability. The description only states what it does, not when to choose it.

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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