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by io.github.veyanet
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veya_read_environment_onchain

Read environment record from Veya.sol by 16-byte UUID hex

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": {
      "environmentUuidHex": "<environmentUuidHex>"
    },
    "name": "veya_read_environment_onchain"
  }
}

Input Schema

NameRequiredDescriptionDefault
environmentUuidHexYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

B3.4/5.0
Behavior3/5

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

With no annotations, the description carries the full burden; it does disclose that this is a read against the Veya.sol contract and implies a non-mutating lookup, which is useful. It says nothing about return shape, whether the record can be absent, or latency/cost of an onchain read.

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?

A single front-loaded sentence that names verb, resource, source, and key format with zero filler. Nothing to trim.

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?

There is no output schema and no annotations, so the description is the only place an agent could learn what a 'environment record' returns or how a missing record is signaled; neither is covered. For a simple one-param read this is workable but incomplete.

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 0% and the schema only enforces minLength: 32, so the description's '16-byte UUID hex' is genuinely additive — it tells the agent the expected encoding (32 hex chars encoding 16 bytes). No other parameter detail is needed for a single-param tool.

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?

States a specific verb (read), resource (environment record), source contract (Veya.sol), and key format (16-byte UUID hex). It implies an onchain read that differs from the sibling veya_get_environment, but never names that sibling or the distinction explicitly.

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?

No when-to-use or when-not-to-use guidance. The word 'onchain' hints at a source distinction versus veya_get_environment / veya_list_environments, but the agent must infer when this tool is the right choice and there are no stated prerequisites.

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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