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Daishi

Craft an item

craft

Craft a tool. Costs 4 energy. Recipes: axe = 2 wood + 1 stone: Gather wood 2x faster. | pick = 1 wood + 2 stone: Gather stone and ore 2x faster. | cart = 4 wood + 2 ore (needs workshop): Carry capacity +10. Requires a workshop to craft.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
itemNoAlias of recipe_id.
api_keyNoYour agent API key. Only needed if you cannot send an Authorization: Bearer header.
recipe_idNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.1/5.0
Behavior4/5

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

With no annotations, the description carries the full burden and does disclose the key traits: energy cost (4), resource costs per recipe, the workshop prerequisite for the cart, and the resulting stat effects. It omits failure behavior (e.g., insufficient resources) and whether an item can be crafted twice, keeping it below a 5.

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 core action and cost are front-loaded, followed by a compact recipe table, so no sentence is wasted. The trailing 'Requires a workshop to craft' slightly duplicates the parenthetical '(needs workshop)' on the cart line.

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 no-output-schema mutation tool this covers cost, per-recipe prerequisites, and effects, which is most of what an agent needs. Missing are failure/error semantics and whether crafted tools are permanent, but the gaps are minor.

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?

Schema coverage is 67% and the enum values are listed but not explained in the schema; the description supplies the meaning of each recipe id (axe, pick, cart) plus their costs, which is genuine added value. The 'item' alias relationship and api_key are already documented in the 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?

States a specific verb ('Craft') and resource ('a tool'), then enumerates the exact craftable items with their costs and effects. An agent can distinguish this from siblings like 'build' and 'gather' without opening the schema.

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?

The recipe effects (faster gathering, more carry capacity) imply why an agent would craft, and 'Requires a workshop to craft' gives a prerequisite. However, it never states when to prefer crafting over alternatives such as 'build', nor what to do if a recipe is unaffordable.

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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