The NomyParts catalog is open for reading: every product with its manufacturer, category and specifications (value, unit and the source page of each value). Everything is public data, under the CC BY 4.0 licence. Cite the address of the profile you use: Source: NomyParts, <profile URL>.
MCP server
A remote, read-only MCP server (Streamable HTTP, no authentication): https://nomyparts-open-data.nomyparts.workers.dev/mcp
Tools: search_components (text, category, subcategory, manufacturer and specification filters), get_product, get_company, list_categories and compare_products. Every answer carries the profile URL and the attribution text.
- Claude: Settings → Connectors → Add custom connector, and paste the address above.
- ChatGPT: Settings → Connectors → add a custom connector (developer mode) with the same address.
- Cursor and other clients: add
{"mcpServers": {"nomyparts": {"url": "https://nomyparts-open-data.nomyparts.workers.dev/mcp"}}}to the MCP configuration.
JSON API
Base address: https://nomyparts-open-data.nomyparts.workers.dev
/api/search?q=&category=&subcategory=&manufacturer=&spec.<id>=<min>..<max>&limit=: up to 25 products. For example/api/search?subcategory=electric-motors&spec.continuous-power=70000..80000(numeric filters use the SI unit shown in each specification)./api/products/{id}and/api/companies/{id}: one record./api/categories: categories and subcategories with their product counts.
Limit: 60 requests a minute per address; answers are cached for a few minutes.
Dataset
The whole catalog can be downloaded: components.csv, components.json and llms-full.txt. Each company and product profile also has a .json version at the same address. See Open data for the licence and how to cite.
Corrections
To report an error in a value, write to info@nomyparts.com with the address of the profile.







