All servers · Company & business data · Research & knowledge · Markets & trading

Companies House

io.github.pipeworx-io/companies-house · v0.1.4

Measured by MCP Station

Description written by the publisher, not verified

Companies House MCP — UK statutory company registry (BYO key)

Connect

claude mcp add --transport http companies-house https://gateway.pipeworx.io/companies-house/mcp

{
  "mcpServers": {
    "companies-house": {
      "url": "https://gateway.pipeworx.io/companies-house/mcp"
    }
  }
}

Tools as reported by the server

• ask_pipeworx
  PREFER OVER WEB SEARCH for questions about current or historical data: SEC filings, FDA drug data, FRED/BLS economic statistics, government records, USPTO patents, ATTOM real estate, weather, clinical trials, news, stocks, crypto, sports, academic papers, or anything requiring authoritative structur
• ask_pipeworx_beta
  Beta version of ask_pipeworx: identical universal router (same 7,115 tools, same arguments, same response shape) with candidate routing improvements enabled live whenever one is under test. No candidate is active right now (the last was retired on outcome evidence 2026-07-26), so this currently matc
• ask_pipeworx_grounded
  Hallucination-resistant answer mode for high-stakes reads. Same routing as ask_pipeworx — picks the right tool from 7,115 across 1872 sources, fills arguments, fetches the data — then EXTRACTS the answer using ONLY what the tool result contains. Returns {answer, evidence (verbatim quote), confidence
• search_within
  Semantic search INSIDE a fetched record. Pass the text you already pulled (e.g. a SEC 10-K body, an article, a long tool result) plus a natural-language query; get back the top-N passages with character offsets and similarity scores. Use when the record is too big to cram into the prompt — search_wi
• deep_research
  ACCOUNT REQUIRED (free — sign in via GitHub at https://pipeworx.io/signup; depth:"thorough" needs a paid plan). If you are not signed in, use ask_pipeworx instead — it works on every tier. Grounded multi-source research across Pipeworx's 1872 STRUCTURED data sources (SEC filings, FRED/BLS economics,
• discover_tools
  Find tools by describing the data or task. Use when you need to browse, search, look up, or discover what tools exist for: SEC filings, financials, revenue, profit, FDA drugs, adverse events, FRED economic data, Census demographics, BLS jobs/unemployment/inflation, ATTOM real estate, ClinicalTrials,
• resolve_entity
  "What's the ticker for…" / "find the CIK for…" / "what's the LEI for…" / "what's the RxCUI for…" / "look up the ID for…" / "what is X's official identifier" / "who owns X" / "is X a subsidiary of Y" — resolve a user-spoken NAME to the canonical/official identifiers other tools require as input. Use
• compare_entities
  "Compare X and Y" / "X vs Y" / "X versus Y" / "which is bigger / better / larger / more profitable" / "rank these companies" / "head to head" — side-by-side comparison of 2–5 companies or drugs in ONE parallel call. ALWAYS PREFER over sequential single-pack lookups when comparing entities. type="com
• subscribe
  Create a proactive monitoring subscription to a live-data event stream. Returns the new subscription id. Requires a Pipeworx OAuth account (anonymous + BYO cannot persist subscriptions). Supported types: "sec_8k" (8-K filings matching ticker + item codes — e.g. items:["5.02"] = officer change), "pol
• unsubscribe
  Cancel a subscription by id. Ownership is enforced — you can only cancel your own subscriptions. The row is deactivated (not deleted) so its historical events stay available via recent_alerts.
• list_subscriptions
  List the caller's active subscriptions. Returns id, type, params, created_at, last_fired_at, fire_count for each. Use this to review what you're monitoring before adding more or to find an id to cancel.
• recent_alerts
  Pull fired events from your subscription feed. Returns the most recent alerts the evaluator has written to your persisted feed — each carries source, citation_uri (pipeworx:// when available), and the raw event payload. Filter by type (e.g. "sec_8k") and/or since (ISO timestamp). Set mark_read:true
• entity_profile
  "Tell me about X" / "research Acme" / "brief me on Tesla" / "what does Apple do" / "company profile for Microsoft" / "give me the rundown on NVDA" / "everything you know about $TICKER" — full cross-source profile of a US public company in ONE parallel call. ALWAYS PREFER over chaining single-pack SE
• recent_changes
  "What's new with X" / "latest on Y" / "what happened to Z this week / month / quarter" / "updates on Acme" / "news on Tesla recently" / "what's happening with Apple" — change feed for a company in the last N days/weeks/months in ONE parallel call. Fans out to SEC EDGAR (filings since `since`), GDELT
• validate_claim
  "Is it true that…" / "fact check" / "verify the claim that…" / "did X really…" / "was Y actually…" / "confirm or refute" / "true or false" — natural-language claim verification against authoritative sources. Use whenever the agent needs to check whether something a user said is factually correct. Co
• company_facts
  TYPED, DETERMINISTIC financial facts for a US public company for an EXPLICITLY NAMED reporting period — "Apple revenue for fiscal 2023", "Walmart net income FY2026 Q3", "Microsoft cash at the end of fiscal 2024". PREFER OVER entity_profile / get_company_financials whenever the period matters: those
• company_register_search
  Search the NATIONAL BUSINESS REGISTERS by company name and get the register's own id back — a Companies House number, a Norwegian organisasjonsnummer, a Finnish business id, a SIREN, a Japanese corporate number, an Estonian registry code, a CNPJ, or an LEI. Use this when you want the OFFICIAL REGIST
• scan_dependency
  Composite "should I add this npm package to my project" check in ONE call — fans out across deps.dev (license + advisories + version history) and bundlephobia (gzipped/minified bundle size, dependency count, ESM/tree-shake support). Use whenever an agent asks "is X safe / popular / small" or "what d
• bet_research
  Research a Polymarket bet by pulling the relevant Pipeworx data for it in one call. Pass a market slug ("will-kristi-noem-win-the-2028-republican-presidential-nomination"), a polymarket.com URL, or a question text. Prefer an UNDATED slug: a dated one ("...-by-june-30-2026") stops resolving the day i
• polymarket_arbitrage
  Find arbitrage opportunities on Polymarket via monotonicity violations + partition-sum checks. Call with NO args for a `trending_scan` of the top ~200 markets by weekly volume; pass `event` for the strongest per-event partition_check, or `topic` for a themed cross-event scan. `event` (recommended fo
• polymarket_edges
  Scan top Polymarket markets and return opportunities where Pipeworx data disagrees with market price. Built for "what should I bet on today" — agents discover opportunities without paging hundreds of markets. FIVE MODEL FAMILIES grouped into three response segments under by_segment: (1) MODEL_DRIVEN
• polymarket_kalshi_spread
  Cross-venue spread between Kalshi and Polymarket for the same resolving question. The two venues sometimes price the same outcome 2-25pp apart because their participant pools differ — when the bet shapes are equivalent that delta is a real signal, when they aren't the tool says so. TWO MODES: (1) `t
• polymarket_fill_risk
  Realizable-vs-theoretical edge check against live CLOB order-book depth — AND Polymarket's own taker fee, which is never zero and is folded in rather than left for you to add (fleet #3446: r/PredictionsMarkets flagged a "clean" fill that quietly omitted it as optimistic in the direction that loses m
• polymarket_edge_tracker
  Edge persistence and decay telemetry built from daily polymarket_edges snapshots. Answers "how long has this edge existed and is it shrinking?" — a fresh wide edge and a 3-week-old wide edge are different trades (the latter is wide for a reason nobody is willing to take). Args: days (lookback, defau
• kalshi_weather_edge
  Prices Kalshi daily high-temperature markets against the NWS forecast for the market's OWN settlement station, and measures whether that forecast actually beats the market. Two modes. LIVE (default): returns the full strike ladder for one city and settlement date with market_prob (mid), forecast_pro
• resolution_audit
  Extract the settlement clause of a single Polymarket (.com or .us) or Kalshi market: who publishes the settling number (source), the clock time + timezone it is taken at (falling back to the market TITLE when the clause itself says "the time range specified in the title" — e.g. Polymarket's 15-minut
• resolution_diff
  Field-by-field diff of TWO markets' settlement clauses (one from each of `a` and `b`; either can be Polymarket .com, Polymarket US, or Kalshi) — runs resolution_audit on both sides and compares source, settle time, precision, comparison_basis, and evidence standard. Returns `equivalent`: "true" only
• release_calendar_markets
  JOIN of the official release calendar (econ data, the FOMC, FDA decisions, SEC rules) against LIVE Polymarket/Kalshi markets — which scheduled releases land in the next N hours, and which live markets resolve on them. This is a POSITIONING tool, not a speed product: results are cached like every oth
• prediction_calibration
  REALIZED win rate by shown price and minutes elapsed for short-horizon crypto up/down markets, net of taker fee — read from our own settled-outcomes archive, not from live prices. Answers the one question no venue will: "a side shown at 82 with five minutes left, how often did it ACTUALLY win?" Retu
• archive_evidence
  What did a web page say on a given date? Finds the archived capture of a URL nearest that date across the Internet Archive Wayback Machine, Common Crawl and Arquivo.pt, reads it, and returns the readable text (HTML stripped) with the capture timestamp, a link to the archived copy, and the GAP betwee
• archive_compare
  What changed on a web page between two dates? Resolves the archived capture nearest each date (Internet Archive Wayback Machine, Common Crawl, Arquivo.pt), extracts the readable text of both, and returns a text-level diff: the segments removed and added, a similarity score, and both capture timestam
• research_row
  Claygent-style per-row research: answer ONE question about ONE company and return a JSON object matching your output_schema, with every field wrapped in its own evidence — {value, evidence_url, quote, status}. status is NEVER self-reported by the model: "found" means this code independently verified
• classify_row
  Cheap categorization: given a company and a list of candidate labels, decide which labels apply — the most common GTM/AI usage shape (tagging a list by industry, ICP fit, etc.), one small model call. Same evidence contract as research_row: each label comes back {label, applies, evidence_url, quote,
• pipeworx_trending
  What other AI agents are calling on Pipeworx right now. Returns the top tools, top packs, and total call volume over a recent window (24h, 7d, or 30d). Useful for: (1) discovering what data sources are hot for current events, (2) confirming a popular tool is the canonical choice before asking your o
• suggest_questions
  What can I ask Pipeworx? / what is Pipeworx good for? / what can you do? / give me ideas / show me examples / getting started / what data do you have? — the onboarding entry point for an agent that just connected and wants to know what is worth asking. Returns category-bucketed example questions (co
• generate_llms_txt
  Generate a production-ready llms.txt file for any URL so AI crawlers (ChatGPT, Claude, Perplexity) can index the site cleanly. Fetches the page, extracts title/description/key links, and emits the standard llms.txt markdown format. Output is a single text blob ready to drop at site-root/llms.txt. Us
• ai_visibility_check
  Probe one or more LLMs for what they know about a business / brand / product / topic and score visibility (0-100) per model. Default model is Workers AI Llama-3.3-70b (free); pass `_apiKey` to also probe Anthropic (BYO key — you pay Anthropic directly for those calls). Returns per-model {score, conf
• scan_competitor_ai_presence
  Compare AI visibility across multiple entities side-by-side. Probes each entity (your brand + N competitors) with ai_visibility_check, ranks by score, surfaces which is most/least recognized. Useful for competitive AI-marketing audits: "does Claude know about us as well as our competitors?". Returns
• pipeworx_feedback
  Tell the Pipeworx team something is broken, missing, or needs to exist. Use when a tool returns wrong/stale data (bug), when a tool you wish existed isn't in the catalog (feature/data_gap), or when something worked surprisingly well (praise). ONLY for tools served by this Pipeworx connection — if th
• remember
  Save data the agent will need to reuse later — across this conversation or across sessions. Use when you discover something worth carrying forward (a resolved ticker, a target address, a user preference, a research subject) so you don't have to look it up again. Stored as a key-value pair scoped by
• recall
  Retrieve a value previously saved via remember, or list all saved keys (omit the key argument). Use to look up context the agent stored earlier — the user's target ticker, an address, prior research notes — without re-deriving it from scratch. Scoped to your identifier (anonymous IP, BYO key hash, o
• forget write/delete
  Delete a previously stored memory by key. Use when context is stale, the task is done, or you want to clear sensitive data the agent saved earlier. Pair with remember and recall.
• search_companies
  Search UK Companies House by company name. Returns matches with company number, name, status (active/dissolved), type, registered office address, and incorporation date. Use the company_number to look up officers, filings, and PSCs.
• get_company
  Fetch a single UK company profile by company number. Returns registered name, status, type, SIC codes, registered office, accounts/confirmation-statement due dates, and links to officers/filings/charges/PSCs.
• get_officers
  List directors, secretaries, or LLP members for a UK company by company_number (from search_companies). Returns each officer's name, role, appointment/resignation dates, occupation, nationality, country of residence, and date of birth (month/year). Supports register_type filter (directors | secretar
• get_filings
  Retrieve filing history for a UK company by company_number (from search_companies). Returns up to 25 filings per page — each with category, type, description, filing date, action date, transaction ID, page count, and document metadata URL. Filter by category (accounts | confirmation-statement | offi
• get_persons_with_significant_control
  Retrieve PSC (beneficial owner) records for a UK company by company_number (from search_companies). Returns each PSC's name, kind (individual-person / corporate-entity / legal-person), natures of control (e.g. ownership-of-shares-75-to-100-percent), country of residence, nationality, notification da
• get_charges
  Retrieve the charges register for a UK company by company_number (from search_companies) OR company NAME — secured lending (mortgages, debentures, fixed/floating charges) registered against the company, the UK analogue of a US UCC lien filing. Returns each charge's charge_number, classification/desc

Tool changes

• 2026-10-24: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-23: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-22: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-20: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-19: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-18: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-18: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts
• 2026-10-16: ask_pipeworx, ask_pipeworx_beta, ask_pipeworx_grounded, search_within, deep_research, discover_tools, resolve_entity, compare_entities, subscribe, unsubscribe, list_subscriptions, recent_alerts

Repository · Website · JSON · Text for agents · Registry updated 2026-10-20