Assay Systems procurement register

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Public procurement register, 50+ countries: suppliers, buyers, contracts, single-bid awards

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Copy this into your MCP client config:

{
  "mcpServers": {
    "Assay Systems procurement register": {
      "url": "https://assay-systems.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (10)

• assay_countries read-only

  Countries covered by the Assay Systems procurement register, with the number of suppliers indexed in each.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_search read-only

  Search the register for a supplier (firm) by name or line of business. Returns names, countries, ids and endpoints.

  Parameters:

  • q (required) — string — Name or words, two letters or more.
  • limit — integer
  • country — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_supplier read-only

  One supplier's record: contracts won, buyers, totals, exclusions and grants, with the source and licence.

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • id (required) — string — Record id as given by assay_search (the part after the country in the endpoint).

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_line read-only

  A line of business (what is bought) in one country: buyers, suppliers and totals.

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • id (required) — string — Record id as given by assay_search (the part after the country in the endpoint).

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_contract read-only

  One contract or award record from the register.

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • id (required) — string — Record id as given by assay_search (the part after the country in the endpoint).

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_status read-only

  When each source of the register was last read and built.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_supplier_contracts read-only

  All 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).

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • id (required) — string — Record id as given by assay_search (the part after the country in the endpoint).
  • page — integer — Page of the result list (default 1).
  • buyer — string — Words of the buyer's name.
  • ends_before — string — YYYY-MM-DD: only contracts ending before this day.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_line_contracts read-only

  All 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).

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • id (required) — string — Record id as given by assay_search (the part after the country in the endpoint).
  • page — integer — Page of the result list (default 1).
  • buyer — string — Words of the buyer's name.
  • ends_before — string — YYYY-MM-DD: only contracts ending before this day.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_ending read-only

  Contracts 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).

  Parameters:

  • country (required) — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • line (required) — string — Line id from assay_line or assay_search.
  • page — integer — Page of the result list (default 1).
  • before — string — YYYY-MM-DD: only contracts ending before this day.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

• assay_solo read-only

  Buyer × 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).

  Parameters:

  • kind — string
  • page — integer — Page of the result list (default 1).
  • buyer — string — Words of the buyer's name.
  • country — string — Two-letter country code in lower case, e.g. ca, us, gb, ua. assay_countries lists them.
  • supplier — string — Words of the supplier's name.

  Hints: read-only yes · destructive not declared · idempotent yes · open-world no

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