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A.X.E.L Filing (public tools) MCP Server

by axel Your server? Claim it
answering

A.X.E.L Filing (public tools) is answering right now. Last checked 7 min ago. It exposes 7 tools.

UK company lookup, filing deadlines, late penalties and Corporation Tax maths. No account.

Uptime history 21 days of history · worst day 99%
21 days agonow
100.0%
Uptime 24h
91 of 91 checks
7
Tools
read from the server
694 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 13 October 2026. No other catalogue keeps this.

18 Oct 2 tools changed the parameters they ask for compute_ct600, uk_director_tax_year
13 Oct a tool changed the parameters it asks for2 times that day uk_director_tax_year
13 Oct a tool description was rewritten uk_director_tax_year
and 1 more, back to 13 October 2026

A.X.E.L Filing (public tools) 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 7 min ago.

run in your terminal
claude mcp add filing-public --transport http https://portal.axel.trade/api/mcp/public
Settings → Connectors → Add custom connector, then paste this address
https://portal.axel.trade/api/mcp/public
~/.codex/config.toml
[mcp_servers.filing-public]
url = "https://portal.axel.trade/api/mcp/public"
.cursor/mcp.json
{
  "mcpServers": {
    "filing-public": {
      "url": "https://portal.axel.trade/api/mcp/public"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "filing-public": {
      "type": "http",
      "url": "https://portal.axel.trade/api/mcp/public"
    }
  }
}

Available tools 7

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

ct600
check_ct600_eligibility
Check whether a company fits this tool (micro-entity limits, single UK trade, no groups/R&D/gains/property). An overdrawn director loan is supported: the return carries a CT600A. Money in POUNDS.
ct600_filing_guide
READ THIS FIRST. How to prepare a CT600 with this server: which companies qualify, the order to gather figures in, what the words mean (micro-entity, filleted accounts, the declaration), and which cases to refer to an accountant instead. Takes no arguments.
company
uk_company_late_filing_penalties
Late filing penalties for a UK company's accounts (Companies House) and CT600 (HMRC): what is owed if filed on a given date, and the full schedule of dates when each penalty applies. Use with lookup_uk_company, which gives the accounts deadline. Dates are ISO (YYYY-MM-DD); filedOn defaults to today.
compute
compute_ct600
Compute the corporation tax position from figures (stateless, nothing stored): tax due, taxable profit, marginal relief, losses, CT600 box values.
director
uk_director_tax_year
The director's whole year in one view: the company's corporation tax AND the director's own Self Assessment, side by side. Give either filingId (a saved CT600 draft, signed in) or the company's figures, plus the director's salary per tax year and each dividend with the date it was PAID (dividends are taxed in the tax year paid, which may differ from the company's year). Returns the company's profit, tax and profit after tax, each personal tax year's Self Assessment, Class 1 National Insurance on the salary (employee and employer, paid through payroll, with the Employment Allowance where it applies), payments on account, every due date, and the combined total. For what-ifs, call once per scenario and compare them side by side; when a scenario changes the salary, pass figures with staffCosts adjusted (salary plus employer NI) so corporation tax reflects it (see the guide). With MORE THAN ONE company, ask about every company they draw from and pass `companies` (or, signed in, `useProfile: true` to start from their saved answers): the Self Assessment covers all of it once, associated companies share the corporation tax limits, connected companies share one Employment Allowance, and NI can add the pay together. The user decides; present options, not a recommendation. Never ask for a UTR or National Insurance number.
estimate
estimate_uk_self_assessment
Estimate one person's UK Self Assessment for one tax year (2025-26 or 2026-27): income tax on salary, dividends, self-employment and interest, Class 4, student loans, payments on account, and Class 1 National Insurance on a salary from the person's own company. Uses the same engine as A.X.E.L Filing's returns, which matches HMRC's own test cases. An estimate only: nothing is saved or filed. Never ask for a UTR or National Insurance number.
lookup
lookup_uk_company
Look up a UK company at Companies House by company number: name, status, registered office, next accounts period, and a quick fit check.

Endpoints

URLTransportStateLatencyChecked
https://portal.axel.trade/api/mcp/public streamable-http answering 719 ms 7 min ago

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A.X.E.L Filing (public tools) — questions

Answers built from our own checks of this server.

What can A.X.E.L Filing (public tools) do?
It exposes 7 tools, read directly from the server on our last check. Among them: check_ct600_eligibility, compute_ct600, ct600_filing_guide, estimate_uk_self_assessment, lookup_uk_company, uk_company_late_filing_penalties and 1 more. 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 A.X.E.L Filing (public tools) working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 694 ms. The bar chart above shows every period we have measured.
How do I connect A.X.E.L Filing (public tools)?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does A.X.E.L Filing (public tools) need an API key?
No. A.X.E.L Filing (public tools) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is A.X.E.L Filing (public tools)?
It answers our handshake in 694 ms on average, which is faster than 14% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.