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poke-mcp

poke-mcp

by aquibm
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

Predict Pokemon Battle

predict_battle

Determine which Pokémon wins a battle using base stats and type effectiveness. Input two Pokémon names to get a deterministic winner prediction.

Instructions

Predict the winner of a battle between two Pokemon using a deterministic model based on base stats and type effectiveness. Same inputs always produce the same result.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "pokemon_a": "<pokemon_a>",
      "pokemon_b": "<pokemon_b>"
    },
    "name": "predict_battle"
  }
}

Input Schema

NameRequiredDescriptionDefault
pokemon_aYesFirst Pokemon's name (fuzzy matching supported)
pokemon_bYesSecond Pokemon's name (fuzzy matching supported)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.2.0

TDQS

A3.5/5.0
Behavior3/5

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

With no annotations provided, the description carries the full burden. It discloses that the model is deterministic and based on base stats and type effectiveness, which is useful. However, it does not describe the output format (e.g., does it return a winner name? a probability?), nor how it handles invalid or unknown Pokemon names beyond the schema's fuzzy matching. This is a meaningful gap for an agent deciding whether the result is usable.

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 succinct sentences, the first stating the core purpose and the second adding a key behavioral guarantee (determinism). Every word earns its place, and the most important information is front-loaded.

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

Completeness3/5

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

For a simple prediction tool with two string parameters and no output schema, the description must convey what the result will look like. It does not. It also omits edge-case behavior (e.g., unknown Pokemon, capitalization, fuzzy matching failure). While the tool's complexity is low, the missing output specification is a notable gap that leaves an agent uncertain about how to interpret the tool's return value.

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

Parameters3/5

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

Schema description coverage is 100%, with both pokemon_a and pokemon_b documented as 'First Pokemon's name (fuzzy matching supported)'. The description adds no extra meaning about the parameters—it only explains the overall model. With full schema coverage, the baseline of 3 is appropriate; the description does not need to compensate.

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 uses a specific verb ('predict') with a clear resource ('winner of a battle between two Pokemon') and explicitly states the deterministic model basis ('base stats and type effectiveness'). This distinguishes it clearly from its sibling get_pokemon, which presumably retrieves Pokemon data rather than predicting outcomes.

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 get_pokemon or any other alternative. It does not state 'use this when you need to simulate a battle' or mention any exclusions. The only contextual hint is 'same inputs always produce the same result,' which is behavioral, not usage-oriented. An agent would have to infer the appropriate use case without support.

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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