Public procurement register, 75 countries: suppliers, buyers, contracts, single-bid awards
Connect Remote server
claude mcp add --transport http register https://assay-systems.com/mcp
{
"mcpServers": {
"register": {
"url": "https://assay-systems.com/mcp"
}
}
}
{
"servers": {
"register": {
"type": "http",
"url": "https://assay-systems.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://assay-systems.com/mcp
Tools 10 found in our last check
assay_countriesCountries covered by the Assay Systems procurement register, with the number of suppliers indexed in each.
assay_searchSearch the register for a supplier (firm) by name or line of business. Returns names, countries, ids and endpoints.
assay_supplierOne supplier's record: contracts won, buyers, totals, exclusions and grants, with the source and licence.
assay_lineA line of business (what is bought) in one country: buyers, suppliers and totals.
assay_contractOne contract or award record from the register.
assay_statusWhen each source of the register was last read and built.
assay_supplier_contractsAll contract rows of one supplier with the buying office's contact, end dates and amounts. Needs an Enterprise Data key: X-API-Key header on the MCP request (https://assay-systems.com/api-key/#data).
assay_line_contractsAll contract rows of one line of business with the buying office's contact, end dates and amounts. Needs an Enterprise Data key: X-API-Key header on the MCP request (https://assay-systems.com/api-key/#data).
assay_endingContracts of one line that are still running, soonest end first: the next tenders to come. Needs an Enterprise Data key: X-API-Key header on the MCP request (https://assay-systems.com/api-key/#data).
assay_soloBuyer × supplier pairs where the supplier won without a rival, locks and buyer shares; without country — the list of countries. Needs an Enterprise Data key: X-API-Key header on the MCP request (https://assay-systems.com/api-key/#data).
Details
| Endpoint | https://assay-systems.com/mcp (Streamable HTTP) |
| First published | 28 Oct 2026 |
| Last updated | 28 Oct 2026 |
| Registry name | com.assay-systems/register |
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