UK company & compliance data
Companies House, Gazette notices, sanctions screening, LEIs and UK legislation.
Connector by fourzerotwo.si · Domain verified by the MCP Registry
Chalk Labs
Need help deploying UK company & compliance data?
Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.
Install
Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install connector/fourzerotwo-si-uk-business
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
Remote endpoint
https://fourzerotwo.si/mcp/v/uk-businessRemote (HTTP)
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About
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Permissions
What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.
- Tools
- 58 read · 0 write · 0 deleteRead-only
- Secrets
- 1 (API keys, tokens or passwords)
- Install scripts
- Nothing to install (hosted)
- Runs as
- Hosted (remote endpoint)
Tools by what they do 58
From the running server's own tool list (tools/list) on Oct 25, 2026.
Read 58 · Look things up without changing anything.
companies-house__advanced-searchcompanies-house__alphabetical-searchcompanies-house__chargescompanies-house__dissolved-searchcompanies-house__exemptionscompanies-house__filingcompanies-house__filing-historycompanies-house__insolvencycompanies-house__profilecompanies-house__registered-officecompanies-house__searchcompanies-house__uk-establishments
Show 46 more tools
gleif__autocompletegleif__branchesgleif__by-bicgleif__by-isingleif__direct-childrengleif__direct-parentgleif__fuzzygleif__isinsgleif__lookupgleif__searchgleif__ultimate-parentsanctions__entrysanctions__listssanctions__screensanctions__screen-uksanctions__screen-ussanctions__wallet-screenuk-business__due-diligenceuk-disputes__complaints-contactuk-disputes__consumer-chargeuk-disputes__energy-complaintuk-disputes__organisationsuk-disputes__parking-appealuk-disputes__telecoms-complaintuk-disputes__water-complaintuk-gazette__deceased-estatesuk-gazette__noticeuk-legislation__changesuk-legislation__itemuk-legislation__latestuk-legislation__provisionuk-legislation__searchuk-legislation__typesuk-tenders__find-a-tender-latestuk-tenders__noticeuk-tenders__searchuk-tenders__supplier-awardsuk-trade-tariff__areasuk-trade-tariff__commodityuk-trade-tariff__exchange-ratesuk-trade-tariff__headinguk-trade-tariff__quotasuk-trade-tariff__searchvat__calculatevat__ratesvat__validate-format
Secrets and settings it asks for
Secrets: values you paste in that let it act as you.
X-API-Key
Network hosts it talks to 1
fourzerotwo.si· found in remote endpoint, install command
Files it touches
- Any path the agent passes to its tools
Tools (58)
As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].
companies-house__advanced-searchUK Companies House: Advanced company searchread-onlyFilter 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-searchUK Companies House: Alphabetical name searchread-onlyCompanies 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__chargesUK Companies House: Charges (secured debt)read-onlyMortgages 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-searchUK Companies House: Dissolved company searchread-onlySearch dissolved and removed companies by name. A few free samples a day, then $0.003 USDC per call via x402.
companies-house__exemptionsUK Companies House: Exemptionsread-onlyPSC disclosure exemptions a company holds. A few free samples a day, then $0.002 USDC per call via x402.
companies-house__filingUK Companies House: Filing itemread-onlyOne filing's detail and document link. A few free samples a day, then $0.003 USDC per call via x402.
companies-house__filing-historyUK Companies House: Filing historyread-onlyAccounts, confirmation statements, appointments and other filings, newest first. A few free samples a day, then $0.005 USDC per call via x402.
companies-house__insolvencyUK Companies House: Insolvencyread-onlyInsolvency cases, practitioners and key dates for a company. A few free samples a day, then $0.008 USDC per call via x402.
companies-house__profileUK Companies House: Company profileread-onlyStatus, 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-officeUK Companies House: Registered officeread-onlyCurrent registered office address. A few free samples a day, then $0.002 USDC per call via x402.
companies-house__searchUK Companies House: Search companiesread-onlyFind 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-establishmentsUK Companies House: UK establishmentsread-onlyUK branches of an overseas company. A few free samples a day, then $0.002 USDC per call via x402.
gleif__autocompleteGlobal LEI Register: Autocompleteread-onlyName autocompletion across the LEI index. Free within the daily allowance, then $0.002 USDC per call via x402.
gleif__branchesGlobal LEI Register: Branchesread-onlyRegistered branches of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__by-bicGlobal LEI Register: LEI by BICread-onlyWhich entity holds a SWIFT/BIC code. Free within the daily allowance, then $0.003 USDC per call via x402.
Show 43 more tools
gleif__by-isinGlobal LEI Register: LEI by ISINread-onlyWhich entity issued a security, by ISIN. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__direct-childrenGlobal LEI Register: Direct childrenread-onlyEntities directly owned by this entity. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__direct-parentGlobal LEI Register: Direct parentread-onlyThe direct accounting parent of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__fuzzyGlobal LEI Register: Fuzzy name matchread-onlyBest 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__isinsGlobal LEI Register: ISINs issuedread-onlySecurities (ISINs) issued by an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__lookupGlobal LEI Register: LEI lookupread-onlyLegal 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__searchGlobal LEI Register: Search by legal nameread-onlyEntities whose legal name matches. Free within the daily allowance, then $0.003 USDC per call via x402.
gleif__ultimate-parentGlobal LEI Register: Ultimate parentread-onlyThe ultimate accounting parent of an entity. Free within the daily allowance, then $0.003 USDC per call via x402.
sanctions__entrySanctions Screening: Listed entry detailread-onlyFull 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__listsSanctions Screening: List versionsread-onlyWhich 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__screenSanctions Screening: Screen a nameread-onlyPotential 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-ukSanctions Screening: Screen against the UK listread-onlyPotential matches on the UK Sanctions List only (FCDO). A few free samples a day, then $0.01 USDC per call via x402.
sanctions__screen-usSanctions Screening: Screen against OFAC SDNread-onlyPotential matches on the US OFAC SDN list only. A few free samples a day, then $0.01 USDC per call via x402.
sanctions__wallet-screenSanctions Screening: Screen a crypto walletread-onlyWhether 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-diligenceUK Company Due Diligence: Company due-diligence checkread-onlyRegister 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-contactUK Consumer Disputes: Complaints contactread-onlyVerified 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-chargeUK Consumer Disputes: Consumer charge disputeread-onlySubscription, 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-complaintUK Consumer Disputes: Energy bill disputeread-onlyBack-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__organisationsUK Consumer Disputes: Directory coverageread-onlyOrganisations 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-appealUK Consumer Disputes: Parking ticket appeal assessmentread-onlyCouncil 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-complaintUK Consumer Disputes: Broadband & mobile disputeread-onlyADR 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-complaintUK Consumer Disputes: Water bill disputeread-onlyTwo-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-estatesUK Gazette Estates: Search deceased estatesread-onlySearch 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__noticeUK Gazette Estates: Notice detailread-onlyStructured 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__changesUK Legislation: Amendments made to itread-onlyMost 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__itemUK Legislation: Act or instrument overviewread-onlyTitle, 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__latestUK Legislation: Newly published legislationread-onlyThe newest Acts and instruments published, optionally of one type. Free within the daily allowance, then $0.001 USDC per call via x402.
uk-legislation__provisionUK Legislation: Provision textread-onlyPlain 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__searchUK Legislation: Search legislationread-onlyFind 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__typesUK Legislation: Legislation type codesread-onlyType codes and what they mean. Free within the daily allowance, then $0.0005 USDC per call via x402.
uk-tenders__find-a-tender-latestUK Public Tenders: Latest Find a Tender noticesread-onlyAbove-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__noticeUK Public Tenders: Noticeread-onlyOne 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__searchUK Public Tenders: Search tendersread-onlyContracts 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-awardsUK Public Tenders: Awards to a supplierread-onlyContracts 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__areasUK Trade Tariff: Countries & groupsread-onlyTariff 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__commodityUK Trade Tariff: Commodity duties & measuresread-onlyOne 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-ratesUK Trade Tariff: HMRC customs exchange ratesread-onlyHMRC'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__headingUK Trade Tariff: Headingread-onlyA 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__quotasUK Trade Tariff: Tariff-rate quotasread-onlyQuota 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__searchUK Trade Tariff: Find a commodity coderead-onlyCandidate 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__calculateVAT Rates & Checks: Add or remove VATread-onlyNet 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__ratesVAT Rates & Checks: VAT ratesread-onlyStandard, 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-formatVAT Rates & Checks: Validate a VAT number formatread-onlyCountry 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.
Signals
- Last release
- Oct 11, 2026 (18 days ago)
Details
- Registry name
si.fourzerotwo/uk-business- Version
- 1.0.1
- Auth
- API key
- License
- License unknown
- Website
- fourzerotwo.si
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- Official MCP Registry
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Cite this page
UK company & compliance data MCP server. Agent Mart. https://agentmart.dev/connectors/fourzerotwo-si-uk-business (last updated 2026-10-24)