FilingDesk Data
Check LLC formation fees, deadlines, and name availability for all 50 US states.
Provides official LLC formation fees, annual report deadlines, recurring costs, and name-availability checks for all 50 states and DC. Helps small business owners compare where to form an LLC and understand state-specific requirements and costs.
Try asking Muse: "Show me the cheapest states to form an LLC and what the first-year costs would be."
Source: Found in the official MCP Registry (com.filingdesk/data) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://filingdesk.com/api/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 719ms. Worked in 97.7% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 8
get_llc_feesOfficial LLC formation fee, recurring annual-report/franchise-tax cost, processing time, and known gotchas for a single US state, each with its source URL. Covers all 50 states + DC.compare_llc_costsRank states by what an LLC actually costs. Compares the one-time formation fee, the recurring state cost, and the combined first-year total. Use this for 'cheapest state to form an LLC' style questions rather than guessing.get_annual_report_deadlineWork out when a state's annual report or franchise tax is next due, the amount owed, and the late penalty. States that key the deadline to the formation anniversary or quarter need formationDate; without it the tool says so instead of guessing a date.check_llc_nameCheck a proposed business name against a state's live registry. REAL results for Wyoming and Delaware only; Florida returns a Sunbiz search link; all other states return unsupported. A verdict is an indication, never a reservation — always show the returned note and verifyUrl.list_filing_statesWhat FilingDesk can do per state: which states it files in today with all-in pricing, which states have real name-checking, and confirmation that fee/deadline data covers all 50 states + DC. Call this before telling a user FilingDesk can file somewhere.compare_formation_optionsFactual tradeoffs to help someone decide WHERE to form or WHAT entity type to pick. Returns fixed comparative facts and a required disclaimer — deliberately NOT a recommendation. Present the options neutrally, relay the disclaimer, and let the user choose; a FilingDesk specialistpreview_orderBuild an exact order summary WITHOUT submitting anything. No side effects. Validates the details, prices the order, and returns a confirmation summary. ALWAYS call this and show the user the returned summary before calling submit_order.submit_orderSubmit a real formation order to FilingDesk. THIS HAS A REAL-WORLD EFFECT: it creates an order and notifies a FilingDesk specialist. Only call after preview_order and after the user has explicitly confirmed the summary. Nothing is charged now — a specialist reviews the order, verRecent checks
Link
https://filingdesk.com/api/mcpQuestions about FilingDesk Data in Muse
How do I connect FilingDesk Data to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use FilingDesk Data to help me. It is a free service with an MCP server at https://filingdesk.com/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is FilingDesk Data working right now?
At the last check (September 28, 2026, 08:16 UTC) the endpoint was working, answering in 719ms. Over the last 7 days it answered 97.7% of health checks. It is checked every 15 minutes.
Is FilingDesk Data safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can FilingDesk Data do in Muse?
It exposes 8 tools, including get_llc_fees, compare_llc_costs, get_annual_report_deadline, check_llc_name. For example, you could ask Muse: "Show me the cheapest states to form an LLC and what the first-year costs would be."
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