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ChengZiiii

opera-houdini-mcp

by ChengZiiii

get_dop_object

Query a single DOP object via findObject, capping data summaries to avoid unbounded record content. Provides safe, read-only access.

Instructions

通过 findObject 查询单个 DOP object(add-dops-tools,READ_ONLY)。

``max_data`` 限制 data 摘要数量;不返回无界 record 内容。

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ctxYes
dop_pathYes
max_dataNo
object_nameYes
Behavior4/5

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

With no annotations provided, the description carries the transparency burden. It clearly declares 'READ_ONLY' and discloses a key behavioral constraint: 'max_data limits data summaries' and 'does not return unbounded record content'. This provides useful safety/expectation-setting, though it doesn't cover all edge cases (e.g., object-not-found behavior).

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?

The description is extremely concise—two short sentences front-loading the core purpose, then providing a specific parameter limitation. No redundant wording.

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 read-only query tool with no output schema, the description gives the essentials: purpose, method, and a key limitation. However, it lacks detail on the return format, error behavior, or how this tool fits among the many DOP-related siblings (e.g., get_dop_field, get_dop_relationships). This is adequate but not comprehensive.

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?

The schema provides zero parameter descriptions, and the description only explains 'max_data' (limits the number of data summaries). The other parameters (ctx, dop_path, object_name) are left to name-inference, which is fairly self-evident but not explicitly clarified. The description adds some value for max_data but does not fully compensate for the 0% schema coverage.

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 states a specific verb ('查询'/'query') and resource ('单个 DOP object'/'single DOP object'), and mentions the underlying method 'findObject'. This clearly distinguishes it from siblings like 'list_dop_objects' (multiple objects) and 'get_dop_field' (a specific field).

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 description implies usage for querying a single DOP object, but it does not explicitly discuss when to prefer this tool over alternatives, nor any exclusions. The note about 'not returning unbounded record content' is a limitation, not a usage guideline.

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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