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gjlmotea

BlockHand

by gjlmotea

依序執行多條 slash 指令

mc_run_commands
Destructive

Send a sequence of raw commands, each checked against policy, for manual macro execution. For bulk block builds, use shape or blueprint tools.

Instructions

照順序送出多條原始指令,每條都各自通過政策檢查。適合手動編排的巨集;大量方塊請改用 mc_build_shape 或 mc_build_blueprint,它們會自動合併成最少的 fill。

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
delayMsNo
commandsYes
stopOnErrorNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
okYes
failedYes
issuedYes
outcomesYes
elapsedMsYes
succeededYes
firstFailureYes
Behavior4/5

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

Annotations already declare destructiveHint=true and readOnlyHint=false, but the description adds useful behavioral context: commands are raw, sent in order, and each one independently passes policy checks. This goes beyond the structured annotations and helps the agent understand execution semantics and safety implications.

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 waste: the first states the core behavior, the second gives usage guidance and alternatives. The most important information is front-loaded and every clause earns its place.

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?

The description covers purpose, usage boundaries, and some behavioral nuance, and an output schema exists so return values need no explanation. However, it omits key parameter semantics, especially stopOnError and delayMs, which are relevant for a command runner and are not documented anywhere else. The presence of annotations and schema constraints mitigates this, so it is adequate but not complete.

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

Parameters2/5

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

Schema description coverage is 0%, so the description carries the burden of explaining parameters, but it only vaguely hints at the commands array via 'multiple raw commands'. It does not explain delayMs or stopOnError, leaving the agent to rely solely on parameter names, defaults, and constraints 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?

The description clearly states the tool's function: sending multiple raw commands sequentially, each passing policy checks. It differentiates itself from related siblings by explicitly naming mc_build_shape and mc_build_blueprint as alternatives for bulk block operations and by the 'multiple commands' framing, distinguishing it from the singular mc_run_command.

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

Usage Guidelines5/5

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

It explicitly says this is suitable for manually orchestrated macros, and provides a clear exclusion: for large numbers of blocks, use mc_build_shape or mc_build_blueprint instead. This gives the agent concrete decision criteria between this tool and its main alternatives.

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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