io.github.openaccountants/openaccountants

up checked 2026-11-11T08:38:03.783Z

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Publisher-provided title

OpenAccountants

Publisher-provided description

Open-source AI accounting skills verified by licensed accountants (tax, VAT, payroll).

Summary by lookupd

Provides tax, VAT, payroll and filing rules, deadlines, audit-threshold checks and EU VAT number validation for many countries and US…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http openaccountants https://www.openaccountants.com/api/mcp

Codex, remote (streamable-http)

codex mcp add openaccountants --url https://www.openaccountants.com/api/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "openaccountants": {
      "url": "https://www.openaccountants.com/api/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (12 tools)

Publisher-provided text

start Call this first for any tax, VAT/GST, payroll or filing question about a country or US state, such as "how much tax will I pay in Spain", "do I need to register
search_skills Find or browse skills. With a `query`, finds the skill for a specific tax topic by keyword: a deduction, form, regime or rule such as 'home office deduction', '
get_skill Open a skill by slug (from start, search_skills or search_rules) to answer the user's question. Returns the skill's rules and method, its quality tier, the name
search_rules Look up tax rates, thresholds and rules in one or many jurisdictions, such as 'VAT rates in MT, IE and DE', 'income tax brackets for 2025' or 'rules mentioning
get_deadlines Filing and payment deadlines for a country or US state: 'when is my tax return due', 'when do I file VAT', 'when is the next instalment'. Returns upcoming dates
list_jurisdictions Answers 'which countries do you cover?' or 'what is there for [country]?'. Returns every jurisdiction with published skills (countries as ISO 2, US states as US
list_verifiers Answers 'who reviewed this?' or 'which accountants are behind this?'. Returns the named licensed accountants who have signed off on OpenAccountants jurisdiction
get_quote Call only when the user asks what OpenAccountants charges, requests a quote, or asks whether their current fee is fair. Returns the same published plans, servic
validate_vat_number Check live whether an EU VAT number is valid and registered, for example before applying a B2B reverse charge, zero-rating an intra-EU sale or onboarding a supp
check_audit_exemption Answers 'does my company need an audit?' for a private limited company in Malta (MT, Article 185(2) micro thresholds) or the UK (GB, small-company thresholds be
compute Computes a tax figure with fixed, tested code instead of mental arithmetic. Use this for any figure an engine below covers; never compute that figure yourself.
share_with_openaccountants Only when the user asks: sends their feedback, or their request for a person to check or do the work, to OpenAccountants. Two modes. (1) `note`: an anonymized n

Details

Version: 1.0.0
Transports: streamable-http
Uptime (7 days): 100%
Median latency: 982 ms
First indexed: 2026-11-01T09:43:59.841Z
Last seen in registry: 2026-11-01T09:43:59.841Z
Repository: https://github.com/openaccountants/openaccountants

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62092 servers
Last crawl: 2026-11-11T17:38:11.606Z
API base: https://api.lookupd.com
MCP URL: https://api.lookupd.com/mcp