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ondata

CKAN MCP Server

by ondata

Show CKAN Organization Details

ckan_organization_show
Read-onlyIdempotent

Fetch organization details from a CKAN open data portal by ID or name, with options to include datasets and users.

Instructions

Get details of a specific organization.

Args:

  • server_url (string): Base URL of CKAN server

  • id (string): Organization ID or name

  • include_datasets (boolean): Include list of datasets (default: true)

  • include_users (boolean): Include list of users (default: false)

  • response_format ('markdown' | 'json'): Output format

Returns: Organization details with optional datasets and users

Typical workflow: ckan_organization_show → ckan_package_show (inspect a dataset) → ckan_datastore_search (query its data)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesOrganization ID (UUID) or machine-readable name slug (e.g., 'regione-siciliana')
server_urlYesBase URL of the CKAN server (e.g., https://dati.gov.it/opendata)
include_usersNoInclude the list of users belonging to this organization
response_formatNoOutput format: 'markdown' for human-readable or 'json' for machine-readablemarkdown
include_datasetsNoInclude the list of datasets published by this organization
Behavior4/5

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

Annotations already declare readOnlyHint=true and idempotentHint=true, indicating safe read operations. The description adds context about output format options (markdown/json) and default parameter values for include_datasets and include_users, which go beyond the annotations without contradiction.

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 well-structured with sections for Args, Returns, and Typical workflow. It is efficient but slightly verbose by repeating schema information. Overall, every sentence serves a purpose.

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

Completeness5/5

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

Given the rich annotations (readOnlyHint, idempotentHint) and high schema coverage, the description adequately covers the tool's behavior. It explains return values ('Organization details with optional datasets and users'), output format options, and provides a typical usage workflow. No output schema exists, but the description compensates sufficiently.

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?

Despite 100% schema coverage, the description repeats parameter info from the schema (e.g., 'Organization ID or name') without adding new semantic details. The workflow is helpful but not parameter-specific. Baseline 3 is appropriate as the schema already documents parameters thoroughly.

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 'Get details of a specific organization', using a specific verb and resource. It distinguishes itself from siblings like ckan_organization_list (which lists all organizations) and ckan_organization_search (which searches).

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

Usage Guidelines4/5

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

The description includes a typical workflow (ckan_organization_show → ckan_package_show → ckan_datastore_search), providing clear context for when to use this tool and what follows. However, it does not explicitly state when not to use it.

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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