Irs Taxpayer vs Licinexus MCP
A side-by-side look at the Irs Taxpayer and Licinexus MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Irs Taxpayer for finance & fintech work as a local process; choose Licinexus MCP for finance & fintech as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Irs Taxpayer when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- You want tools like
calculate_federal_tax, get_tax_brackets, compare_filing_statuses.
Choose Licinexus MCP when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
search_licitacoes, get_licitacao, list_licitacao_itens.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 63/100 · Good | 65/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 13 | 80 |
| Directory activity | 1 views 0 installs 0 upvotes | 5 views 0 installs 0 upvotes |
| Tools | 44 | 18 |
| Full listing | View Irs Taxpayer | View Licinexus MCP |
Tools & capabilities
Irs Taxpayer tools 44
calculate_federal_taxCalculate federal income tax for an individual taxpayer. Supports TY2024 through TY2026. Includes bracket breakdown, effective/marginal rates, SE tax, NIIT, Additional Medicare Tax, QBI deduction, capital gains, and child tax credit. All calculations run locally — no data is sent to any server.get_tax_bracketsGet federal income tax brackets and standard deduction for a given tax year and filing status.compare_filing_statusesCompare tax liability across different filing statuses for the same income. Helps determine the most advantageous filing status.estimate_quarterly_taxCalculate estimated quarterly tax payments (Form 1040-ES) for self-employed or other taxpayers who need to make estimated payments.calculate_total_taxCalculate combined federal + state tax for a complete picture of total tax liability. Returns federal breakdown, state tax, and combined totals in one call.calculate_w4_withholdingCalculate recommended W-4 withholding settings. Estimates per-paycheck federal tax and provides step-by-step W-4 form recommendations.list_deductionsList available tax deductions with eligibility rules and limits. Covers both above-the-line and itemized deductions.standard_vs_itemizedCompare standard deduction vs itemized deductions to determine which is more beneficial.get_tax_deadlinesGet important IRS tax deadlines and due dates for a given tax year.check_refund_statusProvide instructions on how to check IRS refund status. This tool does NOT access your IRS account — it provides the official links and requirements.get_irs_form_infoGet information about common IRS tax forms — what they are, who needs them, and where to find them.list_tax_creditsList available federal tax credits with eligibility, amounts, and phase-out rules. Covers family, education, energy, retirement, healthcare, and income-based credits.- +32 more on the listing page
Licinexus MCP tools 18
search_licitacoesSearch Brazilian public procurement bids (licitações) on PNCP. PNCP requires a date range and at least one modality code per query. If you do not specify, defaults are: last 7 days and modalities [6, 8, 9] (Pregão Eletrônico, Dispensa, Inexigibilidade — most common). Maximum date range per query: 365 days (PNCP limit). Wider windows return HTTP 422. For multi-year searches, issue multiple calls with date windows of <= 365 days each. Modality codes: 1 = Leilão - Eletrônico 2 = Diálogo Competitivo 3 = Concurso 4 = Concorrência - Eletrônica 5 = Concorrência - Presencial 6 = Pregão - Eletrônico 7 = Pregão - Presencial 8 = Dispensa de Licitação 9 = Inexigibilidade 10 = Manifestação de Interesse 11 = Pré-qualificação 12 = Credenciamento 13 = Leilão - Presencial Filters palavraChave, valorMinimo, valorMaximo are applied client-side over the page returned by PNCP.get_licitacaoGet the full details of a single licitação (procurement bid) on PNCP. Provide either numeroControlePNCP (the full PNCP control number string) or all three of orgaoCnpj, ano, sequencial.list_licitacao_itensList the items (lots) of a licitação on PNCP. Each item has description, quantity, unit, estimated unit value and category. Provide either numeroControlePNCP, or orgaoCnpj/ano/sequencial.list_licitacao_resultadosList the bidding results (winners, runners-up, prices, suppliers) for a specific item of a licitação. You must specify which item — use list_licitacao_itens first to discover item numbers.list_licitacao_arquivosList the files (edital PDFs, attachments, terms of reference) attached to a licitação on PNCP. Returns metadata and direct URLs — does not download the file content.search_contratosSearch public procurement contracts (contratos) on PNCP. Useful for analyzing market history, supplier behavior, and agency spending patterns. Defaults to last 30 days when no date range is provided. Maximum date range per query: 365 days (PNCP limit); wider windows return HTTP 422. For multi-year searches, issue multiple calls.get_contratoGet the full details of a public contract on PNCP. Provide either numeroControlePNCP or orgaoCnpj/ano/sequencial.list_contrato_termosList the additive terms (termos aditivos) of a contract — extensions, value increases/reductions, term changes. Useful to understand contract evolution.list_contrato_instrumentosList billing instruments (NFes, faturas) attached to a contract. Reveals real execution: when payments were due, NFe keys, etc.search_atas_rpSearch Atas de Registro de Preço (price-registry agreements) on PNCP. ARPs are pre-negotiated agreements that any compatible agency can use within the validity period — finding ones still in vigor with available balance is a key business opportunity. Defaults: last 90 days, only active (somenteVigentes=true). Maximum date range per query: 365 days (PNCP limit); wider windows return HTTP 422.get_ata_rpGet the full details of an Ata de Registro de Preço, optionally including its items (with available balance and supplier info) and attached files. Use orgaoCnpj/anoCompra/sequencialCompra (the parent procurement) and sequencialAta (the ARP within that procurement).get_orgaoGet a public agency's profile from PNCP: legal name, branch of government (poder), federal/state/municipal level (esfera), legal nature, address.- +6 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Irs Taxpayer
{
"mcpServers": {
"irs-taxpayer": {
"command": "npx",
"args": [
"-y",
"irs-taxpayer-mcp"
]
}
}
}
Licinexus MCP
{
"mcpServers": {
"mcp-199": {
"command": "npx",
"args": [
"-y",
"@licinexusbr/mcp"
]
}
}
}
Frequently asked questions
Irs Taxpayer is categorized under Finance & Fintech and uses a local stdio subprocess. Licinexus MCP belongs to Finance & Fintech and uses a local stdio subprocess. Pick Irs Taxpayer for finance & fintech work and Licinexus MCP for finance & fintech.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Irs Taxpayer has no declared pricing — check the project's own site. Licinexus MCP is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add irs-taxpayer and mcp-199 as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Irs Taxpayer has a quality signal of 63/100 (Good) with 1 views, 0 installs and 13 GitHub stars. Licinexus MCP has 65/100 (Great) with 5 views, 0 installs and 80 GitHub stars.