IncorpSignal · MCP · x402 v2 · REST API

MCP server and x402 API for UK company intelligence

Connect agents to real UK Companies House-backed data with 26 IncorpSignal MCP tools, five x402 v2 pay-per-call products, or the Scout Plus REST API.

MCP agent access

Connect a stateless Streamable HTTP client to https://incorpsignal.com/mcp/ with Authorization: Bearer isk_agent_.... Revocable agent tokens are available to every signed-in tier. MCP preserves the account's web entitlements and does not silently spend from a wallet.

ToolPurpose
incorpsignal_accessAccount tier, entitlements, free quota, and paid alternatives.
search_companiesNatural-language and structured Companies House-backed company search.
parse_company_searchNatural-language query to structured company filters.
get_companyEnriched IncorpSignal company dossier by Companies House number.
get_company_signalsCompact company risk and commercial signal packet.
get_company_trendsSector clusters, hotspots, founder signals, and action queues.
get_recent_incorporationsRecent UK incorporations with bounded filters.
list_alertsAuthenticated account alert rules, subject to entitlement.
list_watchlistCompanies saved to the authenticated account watchlist.
search_officersSearch Companies House officers by name and return reusable officer IDs.
get_company_profileRaw official company profile, status, address, SIC codes, and dates.
get_officersCurrent and resigned company officers with bounded pagination.
get_appointmentsCurrent and historic appointments for a Companies House officer ID.
get_ownershipPersons with significant control and corporate ownership records.
get_filingsBounded filing history, optionally filtered by category.
get_filing_documentFiling item and Companies House document metadata.
download_filing_documentSize-bounded filing document bytes returned as base64.
get_chargesRegistered charges and mortgages with bounded pagination.
get_insolvencyCompany insolvency proceedings and cases.
get_company_registersStatutory company register locations and status.
company_reportCombined enriched profile, officers, ownership, filings, charges, and insolvency.
due_diligence_checkAutomated public-data red-flag screening with severity and evidence.
officer_networkOfficer appointment network with company and sector context.
get_exemptionsCompanies House disclosure and PSC exemptions.
get_uk_establishmentsUK establishments belonging to an overseas company.
get_officer_disqualificationsNatural or corporate officer disqualification records.

x402 v2 paid HTTP access

Discover the live products at https://incorpsignal.com/x402/v1/catalog. An unpaid call returns a standards-compliant 402 Payment Required challenge. A compatible wallet-enabled client settles the challenge and retries with proof. Guarded Base mainnet product promotion is enabled; read each catalog entry for its network.

ProductMethodRoutePriceNetwork
company_search GET https://incorpsignal.com/x402/v1/search 0.001 USDC eip155:8453
company_dossier GET https://incorpsignal.com/x402/v1/companies/{company_number} 0.002 USDC eip155:84532
company_signal_packet GET https://incorpsignal.com/x402/v1/companies/{company_number}/signals 0.002 USDC eip155:84532
recent_incorporations GET https://incorpsignal.com/x402/v1/incorporations 0.002 USDC eip155:84532
company_trends GET https://incorpsignal.com/x402/v1/trends 0.003 USDC eip155:84532

Real data and agent-safe output

Paid responses are produced by the live IncorpSignal API from Companies House-backed records. They include source and provenance fields, explicit schema versions, bounded arrays, and compact projections. Bazaar discovery examples are non-empty checked snapshots rather than placeholder data.

REST API and OpenAPI

Scout Plus includes rate-limited /v1/* API keys. Read the Swagger UI or OpenAPI schema.

Open interactive developer docs