Companies House
Server Details
Companies House MCP — UK statutory company registry (BYO key)
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- Status
- Unhealthy
- Uptime
- 48.9% over 37 days
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- pipeworx-io/mcp-companies-house
- GitHub Stars
- 0
- Server Listing
- mcp-companies-house
TDQS
Scored across 36 tools
The set contains many distinct tools, but there is substantial overlap among the research/meta entry points (ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, deep_research, validate_claim, compare_entities, entity_profile, recent_changes) and between get_company (UK) and entity_profile (US). Descriptions help distinguish them, but an agent could still hesitate over which to use for a given company-data task.
Nearly all names use snake_case, but conventions are mixed: some are verb_noun (get_company, search_companies), many are noun phrases (entity_profile, recent_alerts, ai_visibility_check), and some carry vendor prefixes (pipeworx_feedback, polymarket_edges). The set is readable but not a single predictable pattern.
36 tools is excessive for a server named Companies House. Only five tools relate to UK Companies House; the rest are unrelated Pipeworx meta-tools, Polymarket utilities, AI-marketing probes, npm checks, memory, and subscriptions, making the surface far larger than the stated domain warrants.
The UK Companies House subset covers core lookup needs: search by name, company profile, filing history, officers, and PSCs. However, obvious operations like retrieving charges, filing documents, officer search, or insolvency records are missing, and the unrelated tools do not fill those domain gaps.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
1 tool update
- Changed
bet_research2 fields changed- changed
Input schema / examplesPrevious value: -[ - { - "market": "when-will-bitcoin-hit-150k" - }, - { - "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k" - } -]New value: +[ + { + "market": "will-kristi-noem-win-the-2028-republican-presidential-nomination" + }, + { + "market": "https://polymarket.com/event/will-kristi-noem-win-the-2028-republican-presidential-nomination" + } +] - changed
Input schema / properties / market / descriptionPrevious value: -"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."New value: +"Polymarket slug (\"will-kristi-noem-win-the-2028-republican-presidential-nomination\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
1 tool update
- Changed
polymarket_kalshi_spread1 field changed- changed
Input schema / examplesPrevious value: -[ - { - "topic": "fed" - }, - { - "topic": "btc" - } -]New value: +[ + { + "topic": "fed" + }, + { + "topic": "btc" + }, + { + "topic": "bitcoin" + }, + { + "topic": "fed rate decision" + } +]
2 tool updates
- Changed
bet_research2 fields changed- changed
Input schema / examplesPrevious value: -[ - { - "market": "will-bitcoin-reach-100k-in-july-2026" - }, - { - "market": "https://polymarket.com/event/will-bitcoin-hit-150k-by-june-30-2026" - } -]New value: +[ + { + "market": "when-will-bitcoin-hit-150k" + }, + { + "market": "https://polymarket.com/event/when-will-bitcoin-hit-150k" + } +] - changed
Input schema / properties / market / descriptionPrevious value: -"Polymarket slug (\"will-bitcoin-hit-150k-by-june-30-2026\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k by June 30?\")"New value: +"Polymarket slug (\"when-will-bitcoin-hit-150k\"), full URL (\"https://polymarket.com/event/...\"), or question text (\"Will Bitcoin hit $150k?\"). Dated slugs stop resolving once they settle — Polymarket de-indexes resolved markets — so prefer an undated one."
- Changed
polymarket_kalshi_spread1 field changed- changed
Input schema / properties / topic / descriptionPrevious value: -"Pre-mapped: fed | btc | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president"New value: +"Subject to compare. Canonical keys: fed | btc | eth | cpi | gdp | sp500 | recession | next_pope | next_uk_pm | next_israel_pm | 2028_president — but aliases and keywords resolve too (\"bitcoin\", \"fed rate decision\", \"ethereum\", \"inflation\", \"s&p 500\", \"us recession\", \"next pope\", \"2028 election\"). Check resolution.topic_matched_by in the response: \"exact\"/\"alias\" is a curated pairing, \"phrase\"/\"token\" is a keyword guess."
Related MCP Connectors
OpenCorporates MCP — Global company registry data (free, no auth, rate limited)
UK company data: profiles, iXBRL financials, directors, PSC chains, ECCTA. Hosted, no key.
French Companies MCP — recherche-entreprises.api.gouv.fr
Companies House, Find a Tender and Find a Grant as paid JSON for agents. USDC via x402, no signup.
Related MCP Servers
- FlicenseNot gradedqualityBmaintenanceMCP server exposing the full UK Companies House Public Data API, enabling natural language queries for company profiles, search, officers, filing history, charges, insolvency, and persons with significant control, as well as downloading and reading PDF documents.-
- AlicenseAqualityBmaintenanceUK due diligence MCP server — Companies House, corporate research, compliance checks1843 PyPI3MIT
- AlicenseNot gradedqualityBmaintenanceProduction-grade MCP server for the UK Companies House API, enabling AI assistants to search companies, get profiles, list officers, filings, and PSCs.MIT
- AlicenseCqualityFmaintenanceAccess UK company data through the Companies House API directly in MCP clients, with 45+ tools for company info, search, officers, filing history, ownership, and charges.3726 npm27AGPL 3.0
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