Arc & Ledger Tax Tools
mcp remote · streamable-http · v1.0.0 · source: crawl
https://mcp.arcandledger.com/mcp
https://github.com/Bgenc48/arc-ledger-mcp
Enrolled Agent tax tools: IRS notices, FBAR, LLC vs S-Corp, quarterly estimates & more.
Works
100
Verified Oct 31, 2026 · p50 405 ms · p95 530 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'arc-ledger-mcp' |
| tools_listed | 15 | pass | 21 tools |
| schema_complete | 15 | pass | 21 of 21 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 405 ms |
| latency_p95 | 5 | pass | p95 530 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | pass | no patterns found |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (21)
| Name | Description | Schema |
|---|---|---|
triage_tax_problem | Use this when someone has a tax problem and does not know where to start; call it FIRST, before the specific tools. Covers an IRS or state letter, back taxes they cannot pay, unfiled years, a levy or | typed |
decode_irs_notice | Use this when, and only when, a user mentions receiving an IRS letter or notice and wants to know what it means, the deadline, or what to do. For a state-agency letter, use triage_tax_problem with pro | typed |
check_resolution_options | Use this when someone owes the IRS back taxes and asks how to settle, get on a payment plan, lower what they owe, or stop collection. Screens which IRS paths may fit - short-term payment plan, current | typed |
estimate_irs_penalty | Use this when someone owes the IRS and asks how much the penalties and interest will be, or what late filing/paying costs. Estimates the failure-to-file (5%/mo) and failure-to-pay (0.5%/mo) penalties | typed |
explain_tax_document | Use this when a user receives a US tax form or information document and wants to know what it is, why they got it, which boxes matter, where it goes on their return, what to double-check, or what to d | typed |
deadline_calendar | Use this when a US business owner or nonresident (especially a foreign founder of a US LLC or C-corp) asks what US forms they must file and when. Returns each required federal form, its due date and e | typed |
get_document_checklist | Use this when someone asks what documents, statements, or records to gather for a US tax filing or engagement: an individual return, a self-employed Schedule C return, a foreign-owned single-member LL | typed |
check_fbar_fatca | Use this when a user has foreign bank accounts, assets, or unfiled foreign-account reports and needs to know their US reporting obligations (FBAR / FinCEN 114 and Form 8938 / FATCA), thresholds, penal | typed |
check_treaty_withholding | Use this when a non-US person or company receiving US-source income (dividends, interest, royalties, freelance/personal services, or a scholarship) asks how much US tax will be withheld, whether a tax | typed |
check_itin_eligibility | Use this when someone asks whether a federal tax purpose may support an ITIN application or what a Form W-7 path generally requires. Returns a reason-specific screen, whether a return is commonly atta | typed |
check_5472_obligation | Use this when a non-US person who owns a US company (especially a single-member US LLC or a US corporation) asks whether they must file Form 5472, what the penalty is, or what a foreign-owned US entit | typed |
compare_llc_scorp | Use this when a self-employed user or single-member LLC owner asks whether an S-Corp election would save them money. Shows a side-by-side of self-employment tax vs salary-plus-distribution, payroll an | typed |
estimate_quarterly_taxes | Use this when a freelancer or business owner asks how much estimated tax to pay or whether they are underpaid for the year. Computes federal self-employment and income tax on annualized income, the sa | typed |
estimate_reasonable_comp | Use this when an S-corp owner asks how much salary they should pay themselves ("reasonable compensation," "am I paying myself right?"). Given net profit and what drives it, returns a starting salary R | typed |
estimate_accountable_plan | Use this when an S-corp or C-corp owner asks how an accountable plan handles substantiated home-office, mileage, cell-phone, or other out-of-pocket business expenses. Estimates the reimbursement and t | typed |
estimate_augusta_rule | Use this when a business owner asks about the "Augusta rule," renting a home to a related business, or the fewer-than-15-day rental-income exclusion in IRC 280A(g). Screens the total rental-day limit | typed |
estimate_rental_income | Use this when someone asks how much tax they owe on rental income (Airbnb/short-term or long-term), or whether a rental loss is deductible. Computes net rental income after operating expenses and stra | typed |
compare_formation_states | Use this when someone (often a non-US founder) asks which US state to form their LLC or company in - Wyoming, New Mexico, Delaware, or California. Compares government fees, annual cost, franchise tax, | typed |
check_sales_tax_nexus | Use this when an online seller or e-commerce/Amazon business asks whether they must collect sales tax in a state (economic nexus). Given annual sales, transaction count, and states, flags where econom | typed |
get_fee_quote | Use this when a user asks what Arc & Ledger charges, or wants a price estimate for tax preparation, bookkeeping, business formation, or IRS help. Returns a published price range and line items, never | typed |
book_consultation | Use this when a user wants to talk to, hire, or get a consultation or written tax-notice review with Arc & Ledger. Consultation requests start with a written inquiry on the contact form; the firm does | typed |
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