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marco-looy

Pega DX MCP Server

by marco-looy

get_data_view_metadata

Retrieves data view metadata including parameters and queryable fields to understand available data view structure.

Instructions

Retrieve data view metadata which includes data view parameters and list of queryable fields. Supports both queryable and non-queryable data views.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dataViewIDYesID of the data view to retrieve metadata for. Example: "D_CaseList", "D_WorkBasket"
sessionCredentialsNoOptional session-specific credentials. If not provided, uses environment variables. Supports two authentication modes: (1) OAuth mode - provide baseUrl, clientId, and clientSecret, or (2) Token mode - provide baseUrl and accessToken.
Behavior2/5

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

No annotations are provided, and the description does not disclose behavioral traits such as side effects, authentication requirements, or whether it's read-only.

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 concise sentences that front-load the purpose and add a supporting detail, with no unnecessary words.

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?

Lacks output schema, and the description only vaguely mentions what metadata includes. Could be more complete about the return format or structure, but given the high schema coverage, it is marginally adequate.

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 has 100% coverage with detailed parameter descriptions, so the baseline is 3. The description adds context about supporting both data view types but does not add significant parameter semantics beyond 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 retrieves data view metadata, including parameters and queryable fields, which is distinct from siblings like get_list_data_view (listing) and get_data_view_count (counting).

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?

Mentions support for both queryable and non-queryable data views, which implies when to use, but lacks explicit guidance on when not to use or 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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