Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Changed the definition of "new_cos_discover" and "new_cos_pack"
Free peek: up to 5newly incorporatedactive UK companies for an area/location (e.g. London). Cached24h.24h; searches last 120 days first, with possible undated fallback. Check date_of_creation; not guaranteed newest. Soft-Offer outbound is OFF.
Paid pack ofnewly incorporatedactive UK companies matching an area. Returns Stripe Checkout ⟨11 unchanged words⟩
Recently observed → Live
Live → Recently observed
Added "company_status" and "daily_new_companies" (4 tools before, 6 now)
FREE, no key. Companies House status check for a UK company: pass company_number (e.g. 00445790) for status, name, incorporation and cessation dates, registered office postcode and has_insolvency_history; or pass name for the top matches with their company numbers. Live Companies House data, cached up to 6 hours.
FREE, no key. Daily data drop: yesterday's (UK date) new Companies House incorporations, grouped by SIC 2007 section/sector with counts and a few example company names and numbers. Optional date (YYYY-MM-DD, last 31 days). Also GET /daily/new-companies (JSON) or ?format=text (post-ready summary). Source: Companies House.
Certificate recorded, valid to 2026-12-28
Authorization not required
Recently observed → Live
Live → Recently observed
Recently observed → Live
Live → Recently observed
Recently observed → Live
Live → Recently observed
Unknown → Live
First tool surface recorded: 4 tools (server version 1.0.0)
https://uk-ch-mcp.donniertf.workers.dev/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 15 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed