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knethteo

Tenable Identity Exposure MCP Server

by knethteo

tie_deviances_by_checker

List all Identity Exposure deviances for a specific checker and security profile. Supports optional filter expressions.

Instructions

List IoE deviances for a given checker within a profile (full detail, no date filter).

For a time-bounded view use tie_deviances(hours=...) or tie_recent_activity instead. The TIE API models this as a POST with a filter expression body; an empty expression returns all deviances for the checker.

Args: checker_id: IoE checker id (see tie_resource_action resource="checkers"). profile_id: Security profile id (default 1). page: Page number (1-based). per_page: Results per page. expression: Optional filter expression object. Defaults to {} (no filter). verbose: If False (default), render descriptions and drop giant attribute values to save tokens. Set True for the full raw payload.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pageNo
verboseNo
per_pageNo
checker_idYes
expressionNo
profile_idNo
Behavior4/5

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

No annotations provided, so description carries burden. It explains empty expression returns all, verbose behavior, and API modeling. Missing details on side effects, rate limits, or auth, but transparent enough.

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?

Well-structured: one-line summary, alternative usage, then args. Every sentence adds value, no redundancy.

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 6 params, no output schema, and sibling tools, description covers all parameters and usage context completely.

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

Parameters5/5

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

With 0% schema coverage, description adds full semantics: checker_id linked to tie_resource_action, profile_id default, page 1-based, per_page 50, expression as filter object, verbose for token saving. Greatly augments schema.

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 it lists IoE deviances for a given checker within a profile, with full detail and no date filter. It distinguishes from sibling tools like tie_deviances and tie_recent_activity.

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

Usage Guidelines5/5

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

Provides explicit guidance: 'For a time-bounded view use tie_deviances(hours=...) or tie_recent_activity instead.' Also explains the POST nature and optional expression filter.

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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