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steven0lisa

Dataiku DSS MCP Server

by steven0lisa

clear_dataset

Remove all data from a specified dataset in a Dataiku project, optionally targeting a specific partition.

Instructions

Clear data from a dataset

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
project_keyYesThe project key
dataset_nameYesName of the dataset to clear
partitionNoOptional partition to clear
Behavior2/5

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

No annotations exist, so the description must bear the burden of behavioral disclosure. It only says 'Clear data' without explaining consequences (e.g., irreversibility, permissions required, or whether it clears all partitions or just specified data). This is insufficient for safe invocation.

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 description is very concise at one sentence, which can be efficient. However, it may be slightly underspecified for the complexity of the tool. Still, no extraneous content exists.

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

Completeness2/5

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

Given the tool has 3 parameters, no output schema, and no annotations, the description is too minimal. It fails to explain return values, side effects, or proper usage context, leaving gaps for the agent.

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 coverage is 100%, so the baseline is 3. The description adds no additional information about parameters beyond what the schema provides. For example, it doesn't clarify the 'partition' parameter's effect or format.

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?

The description clearly states the action ('Clear data') and the resource ('dataset'). It uses a specific verb and resource, but does not differentiate from sibling tools like 'delete_dataset' which deletes the entire dataset. A higher score would require explicit distinction.

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 guidance is provided on when to use this tool versus alternatives (e.g., using 'delete_dataset' for removal or 'update_dataset' for selective clearing). The description lacks any usage context or exclusions.

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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