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OCI MCP Server

OCI MCP Server

by sarthak-pansare
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

list_compartments

Retrieve a list of compartments within an Oracle Cloud Infrastructure tenancy or parent compartment, with filtering options for subtree and pagination.

Instructions

List compartments under a parent (default: tenancy).

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": "list_compartments"
  }
}

Input Schema

NameRequiredDescriptionDefault
parentNo
limitNo
pageNo
subtreeNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.8/5.0
Behavior2/5

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

No annotations are provided, so the description carries full burden. It does not explicitly state that listing is read-only or non-destructive, nor does it disclose any side effects. Though the operation is inherently safe, the lack of explicit transparency is a gap.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very concise: one sentence with the core information front-loaded. However, it is perhaps too brief, sacrificing clarity for brevity.

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?

With no output schema and minimal description, the agent lacks information about the return format, pagination behavior, or any other contextual details. The description is insufficient for a list operation with multiple parameters.

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

Parameters1/5

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

Schema description coverage is 0%, yet the description adds no meaning for the parameters. It only mentions 'parent' implicitly; limit, page, and subtree are left unexplained. The agent must guess their semantics from names and defaults.

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 (list), the resource (compartments), and the scope (under a parent, default tenancy). It effectively distinguishes this tool from siblings like list_buckets or list_instances.

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, nor any exclusions or prerequisites. It only states the basic purpose, leaving the agent without context for decision-making.

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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