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PromptFiling — UK company deadlines MCP Server

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answering

PromptFiling — UK company deadlines is answering right now. Last checked moments ago. It exposes 2 tools.

Free Companies House deadline checks for UK companies: due dates, penalties, dormancy signals.

Uptime history 28 days of history · worst day 99%
28 days agonow
100.0%
Uptime 24h
92 of 92 checks
2
Tools
read from the server
427 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 35

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 23 August 2026. No other catalogue keeps this.

18 Sep a tool changed version
17 Sep a tool changed version3 times that day
16 Sep a tool changed version2 times that day
10 Sep a tool changed version
5 Sep a tool changed version2 times that day
4 Sep a tool changed version7 times that day
3 Sep a tool changed version2 times that day
31 Aug a tool changed version2 times that day
29 Aug a tool changed version2 times that day
28 Aug a tool changed version7 times that day
and 25 more, back to 23 August 2026

PromptFiling — UK company deadlines missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.

run in your terminal
claude mcp add deadlines --transport http https://mcp.promptfiling.co.uk/
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "deadlines": {
      "url": "https://mcp.promptfiling.co.uk/"
    }
  }
}
~/.codex/config.toml
[mcp_servers.deadlines]
url = "https://mcp.promptfiling.co.uk/"
.cursor/mcp.json
{
  "mcpServers": {
    "deadlines": {
      "url": "https://mcp.promptfiling.co.uk/"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "deadlines": {
      "url": "https://mcp.promptfiling.co.uk/"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

company
check_company_deadlines
Look up a UK limited company by company number (preferred — e.g. 01234567 or SC123456) or by name, and get its statutory Companies House deadlines: when annual accounts and the confirmation statement are due, days remaining, the automatic late-filing penalty for accounts, and dormancy signals from the public register. Free, no account; data from the official Companies House register.
late
uk_late_filing_penalties
The current Companies House late-filing penalty bands for a private company's annual accounts, the doubling rule for two late years running, and what missing a confirmation statement risks. Static reference — no lookup performed.

Endpoints

URLTransportStateLatencyChecked
https://mcp.promptfiling.co.uk/ streamable-http answering 728 ms 0 min ago

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PromptFiling — UK company deadlines — questions

Answers built from our own checks of this server.

What can PromptFiling — UK company deadlines do?
It exposes 2 tools, read directly from the server on our last check. Among them: check_company_deadlines, uk_late_filing_penalties. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is PromptFiling — UK company deadlines working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 427 ms. The bar chart above shows every period we have measured.
How do I connect PromptFiling — UK company deadlines?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does PromptFiling — UK company deadlines need an API key?
No. PromptFiling — UK company deadlines completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is PromptFiling — UK company deadlines?
It answers our handshake in 427 ms on average, which is faster than 35% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.