Connect

8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "uk-business": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/uk-business",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

claude mcp add --transport http uk-business https://fourzerotwo.si/mcp/v/uk-business --header "X-API-Key: ${X_API_KEY}"

[mcp_servers.uk-business]
url = "https://fourzerotwo.si/mcp/v/uk-business"
env_http_headers = { "X-API-Key" = "X_API_KEY" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "uk-business": {
      "type": "remote",
      "url": "https://fourzerotwo.si/mcp/v/uk-business",
      "enabled": true,
      "headers": {
        "X-API-Key": "{env:X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "uk-business": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/uk-business",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=uk-business&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vZm91cnplcm90d28uc2kvbWNwL3YvdWstYnVzaW5lc3MiLCJoZWFkZXJzIjp7IlgtQVBJLUtleSI6IiR7WF9BUElfS0VZfSJ9fQ%3D%3D"
}

{
  "servers": {
    "uk-business": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp/v/uk-business",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

{
  "mcpServers": {
    "uk-business": {
      "httpUrl": "https://fourzerotwo.si/mcp/v/uk-business",
      "headers": {
        "X-API-Key": "${X_API_KEY}"
      }
    }
  }
}

extensions:
  "uk-business":
    enabled: true
    name: "uk-business"
    type: streamable_http
    uri: "https://fourzerotwo.si/mcp/v/uk-business"
    headers:
      "X-API-Key": "${X_API_KEY}"
    timeout: 300

Placeholders to fill from your own secret store: ${X_API_KEY}. The registry never accepts secret values.

Quality 91 / 100strong

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations58 of 58 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 7,533 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changesno tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

58 tools, about 7,533 tokens to load them all · tool set 1febd7d8b917 · checked 2026-10-20 22:55 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository

provenance55

liveness99

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-97% +updated-9d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://fourzerotwo.si/mcp/v/uk-business` streamable-http	none	yes	97%	557 ms	2025-11-25	2026-10-20

Tools (58)

`companies-house__advanced-search`read-only	Filter companies by name, status, SIC code, location and incorporation dates. A few free samples a day, then $0.005 USDC per call via x402.
`companies-house__alphabetical-search`read-only	Companies listed alphabetically around a name — good for name-availability checks. A few free samples a day, then $0.003 USDC per call via x402.
`companies-house__charges`read-only	Mortgages and charges registered against a company, with lenders and status. A few free samples a day, then $0.008 USDC per call via x402.
`companies-house__dissolved-search`read-only	Search dissolved and removed companies by name. A few free samples a day, then $0.003 USDC per call via x402.
`companies-house__exemptions`read-only	PSC disclosure exemptions a company holds. A few free samples a day, then $0.002 USDC per call via x402.
`companies-house__filing`read-only	One filing's detail and document link. A few free samples a day, then $0.003 USDC per call via x402.
`companies-house__filing-history`read-only	Accounts, confirmation statements, appointments and other filings, newest first. A few free samples a day, then $0.005 USDC per call via x402.
`companies-house__insolvency`read-only	Insolvency cases, practitioners and key dates for a company. A few free samples a day, then $0.008 USDC per call via x402.
`companies-house__profile`read-only	Status, type, incorporation date, SIC codes, accounts and confirmation statement due dates, registered office. A few free samples a day, then $0.005 USDC per call via x402.
`companies-house__registered-office`read-only	Current registered office address. A few free samples a day, then $0.002 USDC per call via x402.
`companies-house__search`read-only	Find UK companies by name or number, with status, address and incorporation date. A few free samples a day, then $0.003 USDC per call via x402.
`companies-house__uk-establishments`read-only	UK branches of an overseas company. A few free samples a day, then $0.002 USDC per call via x402.
`gleif__autocomplete`read-only	Name autocompletion across the LEI index. Free within the daily allowance, then $0.002 USDC per call via x402.
`gleif__branches`read-only	Registered branches of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__by-bic`read-only	Which entity holds a SWIFT/BIC code. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__by-isin`read-only	Which entity issued a security, by ISIN. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__direct-children`read-only	Entities directly owned by this entity. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__direct-parent`read-only	The direct accounting parent of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__fuzzy`read-only	Best fuzzy matches of a name to LEIs — for messy company names. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__isins`read-only	Securities (ISINs) issued by an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__lookup`read-only	Legal name, addresses, jurisdiction, legal form, status and registration for one LEI. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__search`read-only	Entities whose legal name matches. Free within the daily allowance, then $0.003 USDC per call via x402.
`gleif__ultimate-parent`read-only	The ultimate accounting parent of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
`sanctions__entry`read-only	Full record for a matched entry: all aliases, programmes, countries, dates of birth and remarks. A few free samples a day, then $0.005 USDC per call via x402.
`sanctions__lists`read-only	Which lists are mirrored, entry counts, list dates and last sync time. A few free samples a day, then $0.001 USDC per call via x402.
`sanctions__screen`read-only	Potential matches across all four lists with score, list, programmes, countries and dates of birth. A few free samples a day, then $0.02 USDC per call via x402.
`sanctions__screen-uk`read-only	Potential matches on the UK Sanctions List only (FCDO). A few free samples a day, then $0.01 USDC per call via x402.
`sanctions__screen-us`read-only	Potential matches on the US OFAC SDN list only. A few free samples a day, then $0.01 USDC per call via x402.
`sanctions__wallet-screen`read-only	Whether a crypto address (BTC, ETH/EVM, TRX, USDT and others) is listed against a designated party on the OFAC SDN list. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-business__due-diligence`read-only	Register profile plus risk flags: status, overdue accounts or confirmation statement, late accounts, insolvency history, Gazette notices, recent name/office changes, LEI and sanctions name screen. Costs $0.08 USDC per call via x402.
`uk-disputes__complaints-contact`read-only	Verified complaints address, email, phone and URL for a UK company (energy, telecoms, water, finance…). A few free samples a day, then $0.003 USDC per call via x402.
`uk-disputes__consumer-charge`read-only	Subscription, gym, retailer or tradesperson charge: rules that apply (Consumer Rights Act 2015), what to ask for, and the escalation ladder to a small claim. Regulated claims are signposted instead. A few free samples a day, then $0.01 USDC per call via x402.
`uk-disputes__energy-complaint`read-only	Back-billing (12-month rule) check, Ombudsman timeline and cited rules for a UK energy complaint. A few free samples a day, then $0.01 USDC per call via x402.
`uk-disputes__organisations`read-only	Organisations in the complaints directory, private parking operators and UK councils (with London flag). A few free samples a day, then $0.001 USDC per call via x402.
`uk-disputes__parking-appeal`read-only	Council PCN or private charge: route, deadlines, grounds, tribunal, cited law and strategy. A few free samples a day, then $0.01 USDC per call via x402.
`uk-disputes__telecoms-complaint`read-only	ADR timeline (6 or 8 weeks), price-rise rules and penalty-free exit window for a UK telecoms complaint. A few free samples a day, then $0.01 USDC per call via x402.
`uk-disputes__water-complaint`read-only	Two-stage complaint, CCW referral and Guaranteed Standards Scheme timeline (England & Wales). A few free samples a day, then $0.01 USDC per call via x402.
`uk-gazette__deceased-estates`read-only	Search UK deceased-estates notices by the deceased's name, optionally narrowed to a year of death. A few free samples a day, then $0.01 USDC per call via x402.
`uk-gazette__notice`read-only	Structured detail for one deceased-estates notice: address, date of death, executor and claim deadline. A few free samples a day, then $0.02 USDC per call via x402.
`uk-legislation__changes`read-only	Most recent 50 changes (substitutions, repeals, insertions…) made by later legislation, with the amending provision, in-force dates and whether the change is reflected in the text yet. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-legislation__item`read-only	Title, long title, enactment/made date, status, extent, count of outstanding changes and the full table of contents. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-legislation__latest`read-only	The newest Acts and instruments published, optionally of one type. Free within the daily allowance, then $0.001 USDC per call via x402.
`uk-legislation__provision`read-only	Plain numbered text of one section, regulation, article or schedule paragraph, as it stands today or on a past date, with amendment and commencement notes. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-legislation__search`read-only	Find Acts and instruments by title words or full text, optionally by type and year. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-legislation__types`read-only	Type codes and what they mean. Free within the daily allowance, then $0.0005 USDC per call via x402.
`uk-tenders__find-a-tender-latest`read-only	Above-threshold UK notices published or updated on Find a Tender in the last 1–7 days, by stage (planning, tender, award), optionally filtered by keyword. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-tenders__notice`read-only	One notice in full: description, CPV codes, contract dates, procedure and awards (supplier, value, dates). Accepts a Contracts Finder id (GUID) or a Find a Tender notice number (e.g. 095302-2026). Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-tenders__search`read-only	Contracts Finder notices by keyword, status (open, closed, awarded, withdrawn), type and publication date, optionally above a minimum value. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-tenders__supplier-awards`read-only	Contracts Finder awards won by a supplier (name match), newest first, with total value. Free within the daily allowance, then $0.003 USDC per call via x402.
`uk-trade-tariff__areas`read-only	Tariff geographical areas: countries and the groups used in measures (e.g. 1011 ERGA OMNES, 1013 European Union, trade agreements), with group members. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-trade-tariff__commodity`read-only	One commodity code: description, section/chapter/heading, third-country duty and every import/export measure (preferential rates, VAT, additional duties, controls with document codes). Give country to keep only what applies to that origin. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-trade-tariff__exchange-rates`read-only	HMRC's monthly exchange rates used to convert invoice values for customs and import VAT, units per £1. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-trade-tariff__heading`read-only	A 4-digit heading and every commodity code under it, with indents and whether each is declarable. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-trade-tariff__quotas`read-only	Quota definitions with status (open, exhausted, critical), initial volume, remaining balance and validity, by order number or country of origin. Free within the daily allowance, then $0.002 USDC per call via x402.
`uk-trade-tariff__search`read-only	Candidate commodity codes, headings and chapters for a product description ("roasted coffee", "lithium battery"), best match first. Free within the daily allowance, then $0.003 USDC per call via x402.
`vat__calculate`read-only	Net to gross or gross to net at a given rate, or at a country's standard rate. Free within the daily allowance, then $0.001 USDC per call via x402.
`vat__rates`read-only	Standard, reduced and super-reduced VAT rates for one country or all of EU27 + UK, with the date they were checked. Free within the daily allowance, then $0.001 USDC per call via x402.
`vat__validate-format`read-only	Country format and check digit for UK (GB/XI) and EU VAT numbers. Does not confirm registration. Free within the daily allowance, then $0.001 USDC per call via x402.

Schemas: list_tools.

Similar MCP servers

More from si.fourzerotwo

And 5 more from this publisher.

Official server.json

{
  "name": "si.fourzerotwo/uk-business",
  "title": "UK company & compliance data",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://fourzerotwo.si/mcp/v/uk-business",
      "type": "streamable-http",
      "headers": [
        {
          "name": "X-API-Key",
          "isSecret": true,
          "description": "Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)"
        }
      ]
    }
  ],
  "version": "1.0.1",
  "websiteUrl": "https://fourzerotwo.si",
  "description": "Companies House, Gazette notices, sanctions screening, LEIs and UK legislation."
}