PromptFiling — UK company deadlines is an MCP server with 2 tools an agent can call, among them check_company_deadlines, uk_late_filing_penalties. It answers at https://mcp.promptfiling.co.uk/ over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 12 September 2026; the last check, on 24 October 2026, succeeded.
Free Companies House deadline checks for UK companies: due dates, penalties, dormancy signals.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
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 l Inputs: query |
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. |
Every block below points at https://mcp.promptfiling.co.uk/. Pick your client and copy.
claude mcp add --transport http promptfiling-uk-company-deadline https://mcp.promptfiling.co.uk/
{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://mcp.promptfiling.co.uk/"]
}
}
}{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"url": "https://mcp.promptfiling.co.uk/"
}
}
}{
"servers": {
"promptfiling-uk-company-deadline": {
"type": "http",
"url": "https://mcp.promptfiling.co.uk/"
}
}
}{
"context_servers": {
"promptfiling-uk-company-deadline": {
"url": "https://mcp.promptfiling.co.uk/"
}
}
}{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"serverUrl": "https://mcp.promptfiling.co.uk/"
}
}
}{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"url": "https://mcp.promptfiling.co.uk/"
}
}
}name: PromptFiling — UK company deadlines
version: 0.0.1
schema: v1
mcpServers:
- name: PromptFiling — UK company deadlines
type: streamable-http
url: https://mcp.promptfiling.co.uk/{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"httpUrl": "https://mcp.promptfiling.co.uk/"
}
}
}{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"type": "http",
"url": "https://mcp.promptfiling.co.uk/"
}
}
}{
"mcpServers": {
"promptfiling-uk-company-deadline": {
"url": "https://mcp.promptfiling.co.uk/"
}
}
}goose://extension?url=https%3A%2F%2Fmcp.promptfiling.co.uk%2F&type=streamable_http&id=promptfiling-uk-company-deadline&name=PromptFiling%20%E2%80%94%20UK%20company%20deadlines
It answered our last check on 24 October 2026 in 841 ms. Over 6 checks since 12 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by co.uk and served from mcp.promptfiling.co.uk, the vendor's own domain: https://mcp.promptfiling.co.uk/.
2, as returned by the server's own tools/list on 23 September 2026: check_company_deadlines, uk_late_filing_penalties.
It answered our last check on 24 October 2026 in 841 ms. Over 6 checks since 12 September 2026 it answered 6.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mcp.promptfiling.co.uk/. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: uk.co.promptfiling. Endpoint host: mcp.promptfiling.co.uk. ARD identifier: urn:air:uk.co.promptfiling:mcp:deadlines.
First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.