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USC WebReg/Course Catalog MCP

USC WebReg/Course Catalog MCP

by shreeyachand
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

list_sessions

Read-onlyIdempotent

List USC enrollment sessions including term, session code, description, last drop date, and RNR session ID to clarify session codes shown on sections.

Instructions

List USC enrollment sessions (e.g. regular session '001', summer sessions) with their term, session code, description, last drop date, and RNR session id. Useful for understanding session codes shown on sections.

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_sessions"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already declare readOnly/openWorld/idempotent and non-destructive. The description adds the returned field set (term, session code, description, last drop date, RNR session id), which is useful since there is no output schema. No contradiction.

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?

Two sentences with no filler. The action and object are front-loaded, and the second sentence earns its place by connecting the tool to section codes.

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?

With no parameters, a clear output field list, and annotations covering the safety profile, the description is sufficient for an agent to call it correctly. The field list compensates for the lack of an output schema.

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

Parameters4/5

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

There are zero parameters and schema description coverage is 100%, so the description does not need to document parameters. It appropriately focuses on output content rather than inputs.

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?

States a specific verb ('List') and resource ('USC enrollment sessions'), enumerates the fields returned, and gives examples of session types. The distinction from sibling list_terms is apparent: this is about sessions, not terms.

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

Usage Guidelines4/5

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

Provides a concrete use case ('understanding session codes shown on sections') but does not explicitly state when to prefer it over alternatives like list_terms. Clear context, no exclusions.

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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