Schwaizer OpenData
Provides read-only access to Switzerland's official open data portal (opendata.swiss) through a validated CKAN API interface.
About
The Schwaizer OpenData MCP Server provides a robust and secure gateway to Switzerland's official open data portal, opendata.swiss, which operates on the CKAN platform. This unofficial community project by Schwaizer exposes a comprehensive suite of validated MCP tools, mirroring CKAN’s public Action API, to facilitate read-only access for searching datasets, retrieving metadata on organizations, groups, and tags, accessing resources, and performing datastore queries. It incorporates essential safety and performance guardrails, including clamped row limits and input validation, to ensure reliable and efficient interaction with Swiss open government data.
Key Features
- Built-in safety and performance guardrails like server-side clamped row limits and disabled SQL search by default.
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- Robust input validation for all tool inputs using Zod schemas, with schemas exported as JSON.
- Configurable ky-based HTTP client with sensible timeouts and structured logging via pino.
- Comprehensive MCP tools for core CKAN actions, including dataset search, organization/tag management, and datastore queries.
- Supports integration tests that make real API calls to opendata.swiss for verification.
Use Cases
- Discovering and retrieving public datasets from opendata.swiss based on various criteria and filters.
- Accessing detailed metadata for specific datasets, organizations, groups, tags, and resources.
- Querying and filtering tabular data directly from datastore-enabled resources within datasets.
