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FilingDesk Data MCP Server

by filingdesk Your server? Claim it
answering

FilingDesk Data is answering right now. Last checked 5 min ago. It exposes 8 tools.

US LLC filing fees, deadlines, and name checks for all 50 states — from official sources.

Uptime history 65 days of history · worst day 98%
65 days agonow
100.0%
Uptime 24h
92 of 92 checks
8
Tools
read from the server
717 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 12

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

11 Oct 8 tool descriptions were rewritten check_llc_name, compare_formation_options, compare_llc_costs and 5 more
11 Oct a tool changed the parameters it asks for check_llc_name
11 Oct a tool changed version
30 Sep 2 tools changed the parameters they ask for preview_order, submit_order

Nothing serious here today

Today is the operative word: we check FilingDesk Data every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 5 min ago.

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

Available tools 8

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

compare
compare_formation_options
Returns fixed, factual tradeoffs for deciding WHERE to form (topic "state": the home state versus Wyoming, Delaware, and Nevada, including the cost of foreign-qualifying back into the home state) or WHAT entity type to use (topic "entity_type": LLC versus the S-corp tax election versus C-corp), plus a required disclaimer. Deliberately not a recommendation: the options are meant to be presented neutrally with the disclaimer, leaving the choice to the user. Use when the user asks which state to form in, whether to form out of state, or which entity type suits their business.
compare_llc_costs
Ranks US states by LLC cost: the one-time formation fee, the recurring state fee, or the first-year total (formation plus one recurring period). Use when the user asks which state is cheapest to form or maintain an LLC in, or wants LLC costs compared across specific states. Covers all 50 states + DC. State fees only — registered-agent fees, service fees, and revenue-based taxes are excluded. Returns figures only, without source URLs; get_llc_fees returns a state's official sources.
llc
check_llc_name
Screens a proposed business name against state naming rules. It does NOT search any state registry and cannot tell whether a name is already taken. Wyoming and Delaware: the entity designator where the statute requires one (such as "LLC"), words that are restricted or need agency approval (such as "Bank"; in Wyoming also "Trust" or "University"), and other state-specific rules. Florida: the required designator only. Other states and DC return verdict "unsupported" with a note pointing to the state's official name search. Verdicts: "conflict" means the name as written breaks a rule that blocks filing, including a missing required designator (reasons include a "Try:" suggestion where one applies); "uncertain" means no blocking rule was found (reasons may still list warnings) and availability is unverified. Wyoming, Delaware, and Florida results include verifyUrl, the state's official name search. Use when the user proposes a name for a new LLC or corporation in Wyoming, Delaware, or Florida.
get_llc_fees
Returns one US state's LLC formation fee, its recurring annual-report or franchise-tax cost and cadence, online processing time, and known gotchas such as publication requirements, plus a labeled list of the official state source URLs the figures were taken from (dataset verified 2026). Use when the user asks what it costs to form or keep an LLC in a specific state. Covers all 50 states + DC.
annual
get_annual_report_deadline
Calculates when an LLC's next annual report or franchise tax is due in a given state and the amount owed, and returns the state's rule text, late-filing consequences where the dataset has them (penaltyAndNotes), and the official state source URLs. Use when the user asks when their LLC's annual report is due, how often it is filed, or what happens if it is late. States that key the deadline to the formation anniversary or quarter need formationDate; without it the tool says so instead of guessing a date.
filing
list_filing_states
Lists FilingDesk's coverage: the states it files formations in today with all-in prices, the states its naming-rule screen supports, and fee/deadline data coverage (all 50 states + DC). Use when the user asks which states FilingDesk can file in, or before stating that FilingDesk can file in a particular state.
preview
preview_order
Validates and prices a formation order and returns the exact summary that would be submitted, WITHOUT submitting anything (no side effects). Use when the user wants FilingDesk to form their LLC or corporation and has provided the business name, state, entity type, and their name, email, and phone. The returned summary is meant to be shown to the user verbatim, and this step is required before submit_order.
submit
submit_order
Submits a formation order to FilingDesk. THIS HAS A REAL-WORLD EFFECT: it records the order, notifies a FilingDesk specialist, and may send an automatic order-confirmation email to the customer's email address. The specialist then reviews the order, confirms name availability and the price, and emails a payment link. Nothing is charged at submission. Call only after preview_order, once the user has explicitly confirmed that summary (userConfirmed: true). Returns the order reference (FD-…).

Endpoints

URLTransportStateLatencyChecked
https://filingdesk.com/api/mcp streamable-http answering 638 ms 5 min ago

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C
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US small-biz & foreign-LLC filing deadlines: FinCEN BOI, IRS 5472, franchise tax, 1099 (sourced).

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Sourced, date-aware UK tax and payroll rates, deadlines and UK business checks, with GOV.UK sources.

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UK vehicle lookup, MOT status and full MOT history from official DVSA data, by registration.

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D
Data Breach Notification Deadlines
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Who to notify after a data breach and by what date: all US states, SEC, HIPAA, GDPR, UK. Sourced.

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FilingDesk Data — questions

Answers built from our own checks of this server.

What can FilingDesk Data do?
It exposes 8 tools, read directly from the server on our last check. Among them: check_llc_name, compare_formation_options, compare_llc_costs, get_annual_report_deadline, get_llc_fees, list_filing_states and 2 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 →
What is FilingDesk Data mostly used for?
Its tools cluster around llc and compare. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is FilingDesk Data 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 717 ms. The bar chart above shows every period we have measured.
How do I connect FilingDesk Data?
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 FilingDesk Data need an API key?
No. FilingDesk Data completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 8 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is FilingDesk Data?
It answers our handshake in 717 ms on average, which is faster than 13% 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.