MCP server

Assay Systems procurement register Official

com.assay-systems/register

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

assay-systems.com (verified by the MCP Registry)

Status

Working at last check

Tools

10

Token cost

About 1,613 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http register https://assay-systems.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.register]
url = "https://assay-systems.com/mcp"

Gemini CLI

{"mcpServers":{"register":{"httpUrl":"https://assay-systems.com/mcp"}}}

Cursor

{"mcpServers":{"register":{"url":"https://assay-systems.com/mcp"}}}

VS Code

{"servers":{"register":{"type":"http","url":"https://assay-systems.com/mcp"}}}

Antigravity

agy mcp add register https://assay-systems.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"register","server_url":"https://assay-systems.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"register","server_url":"https://assay-systems.com/mcp"}

Tools

• assay_contract ~128 tokens
  One contract or award record from the register.
• assay_countries ~69 tokens
  Countries covered by the Assay Systems procurement register, with the number of suppliers indexed in each.
• assay_ending ~213 tokens
  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).
• assay_line ~136 tokens
  A line of business (what is bought) in one country: buyers, suppliers and totals.
• assay_line_contracts ~249 tokens
  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).
• assay_search ~146 tokens
  Search the register for a supplier (firm) by name or line of business. Returns names, countries, ids and endpoints.
• assay_solo ~226 tokens
  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).
• assay_status ~54 tokens
  When each source of the register was last read and built.
• assay_supplier ~144 tokens
  One supplier's record: contracts won, buyers, totals, exclusions and grants, with the source and licence.
• assay_supplier_contracts ~248 tokens
  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).

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