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surewht

ti4-mcp

by surewht

get_game_context

Retrieve the current Twilight Imperium 4 game setup, including expansions, player count, faction assignments, and speaker, to guide rules and strategy decisions.

Instructions

Get the current game setup context (expansions, player count, faction assignments, speaker).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.9/5.0
Behavior4/5

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

With no annotations and no output schema, the description carries the full disclosure burden, and it does add real information: it names the four categories of data returned. The remaining gap is failure/edge behavior — what is returned or thrown when no game context exists is never addressed.

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?

One sentence, front-loaded with the verb and resource, with the parenthetical payload list as the only elaboration. Nothing is padded or repeated.

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

Completeness4/5

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

For a zero-parameter read tool with no output schema, the field enumeration is what an agent most needs, and it is present. The definition would be complete if it noted the empty/no-game case, which is the one realistic ambiguity.

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?

The tool takes zero parameters, and the schema is a closed empty object, so there is no parameter semantics to document. The baseline for a parameterless tool is 4; the description correctly adds no redundant parameter talk.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb (Get) and resource (current game setup context), then enumerates the concrete payload (expansions, player count, faction assignments, speaker). That is far more informative than the bare name. It stops short of naming the set_game_context/clear_game_context siblings to route the agent, so it does not quite reach the top band.

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

Usage Guidelines3/5

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

No explicit when-to-use or when-not statements are given. Usage is only implied: an agent infers it should call this to learn the current game state before acting. It never mentions the read/write/clear alternatives (set_game_context, clear_game_context) or any prerequisite such as a game already being set up.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.