Mart402 Documents & Web
Server Details
Pay-per-call document and web tools for AI agents: PDF parsing and OCR (Japanese-strong), web and structured extraction, invoice verification, company profiles and PDF utilities. x402 (USDC on Base), no API key; failed calls are never charged.
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 14 tools
Descriptions are unusually careful, with explicit 'Choose this when...' guidance and cross-references (e.g. document_pipeline vs parse_document, extract_url vs structured_extract, ocr_image vs parse_document). The main residual overlap is quote_parse vs pdf_info, which both provide pre-payment information about a PDF, though the price-quote vs page-facts split is defensible. A few PDF tools (parse_document, pdf_info, quote_parse, document_pipeline) cluster tightly enough that an agent could occasionally misselect.
Names are uniformly snake_case and mostly verb_noun (enrich_company, extract_url, parse_document, verify_invoice, quote_parse). The pdf_* family (pdf_info, pdf_merge, pdf_pages) uses a noun-first convention, and the meta tools use get_* (get_catalog, get_receipt, get_sample), which are minor deviations from a strict verb_noun pattern but still highly readable and grouped sensibly.
14 tools sit squarely in the well-scoped range, and each earns its place across the distinct capability areas: PDF ops, image OCR, web extraction, structured extraction, invoice verification, and company enrichment, plus free meta tools. No redundant filler appears in the set.
The surface covers the full document lifecycle for the stated domain: inspect (pdf_info), parse (parse_document), transform (pdf_merge, pdf_pages, extract_url, structured_extract), OCR (ocr_image), verify (verify_invoice), and end-to-end pipeline (document_pipeline), plus enrichment and receipt/sample/catalog helpers. Minor gaps exist (e.g. no explicit web-page-to-schema counterpart is duplicated for images, and no batch/multi-file orchestration beyond merge), but agents can work around them.
Publisher details
- Operator
- Mart402 · Publisher source
- Operator website
- https://mart402.com · Publisher source
- Vendor relationship
- First-party · Publisher source
- Documentation
- https://mart402.com/agents.md · Publisher source
- Trust center
- Not available
- Restrictions
- No account, API key or OAuth. Free tools work immediately. Each paid tool call requires an x402 payment in USDC on Base; calls without payment return the exact price and are never charged. · Publisher source
Available Tools
14 toolsdocument_pipelineDocument PipelineAIdempotentInspect
One call: PDF invoice to parse (hallucination-guarded OCR) + field extraction + arithmetic verification (+optional issuer enrich). Flat $0.05/document; inputs validated before payment. Choose this when a PDF is an invoice/receipt and you want parse + field extraction + arithmetic verification in one paid call; for text only use parse_document.
Inputs: url (required), enrich, x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
enrich_companyEnrich CompanyAIdempotentInspect
Company name/domain/URL to a verified profile from primary sources + GLEIF LEI and Japan NTA corporate-number registries. Per-field evidence + confidence, honest nulls; unresolved lookups never charged. $0.03/company. Choose this when you have a company NAME or DOMAIN and need a registry-grounded profile (GLEIF LEI / Japan NTA) with per-field evidence; pass country_hint 'jp' for Japanese companies.
Inputs: company (required), x_payment, country_hint. Returns: body, status, how_to_pay, receipt_id, +1 more
extract_urlExtract UrlAIdempotentInspect
Extract a web page to clean Markdown + metadata (auto JS rendering, robots.txt respected). $0.005 fast / $0.01 rendered; cached results half price. Choose this when you need a web PAGE as clean Markdown to read yourself; to fill a schema use structured_extract, for a PDF use pdf_info then parse_document.
Inputs: url (required), ttl, mode, x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
get_catalogMart402 catalog (products, prices, policies)BRead-onlyIdempotentInspect
Mart402 product catalog: all products, prices, payment config, error codes, rate limits. Free.
Inputs: no named parameters. Returns: body, status, how_to_pay, receipt_id, +1 more
get_receiptRe-fetch a paid result by receiptARead-onlyIdempotentInspect
Re-fetch a previously paid result for free by receipt id (every paid response carries receipt_id).
Inputs: receipt_id (required). Returns: body, status, how_to_pay, receipt_id, +1 more
get_sampleMart402 sample outputARead-onlyIdempotentInspect
Free recorded sample response for a paid product (from real production runs, marked sample:true) - see the exact response shape before paying anything. Available: document-pipeline, enrich, extract, jp-bonus-net, jp-business-days, jp-company, jp-consumption-tax, jp-crypto-tax, jp-dependent-threshold, jp-mortgage, jp-overtime-wage, jp-payroll-net, jp-payroll-suite, jp-payslip-audit, jp-retirement-tax, jp-social-insurance, meal-vision, ocr, parse, pdf-info, pdf-merge, pdf-pages, portrait-analysis, report-pack, structured, style-profile, style-report, verify.
Inputs: product (required). Returns: body, status, how_to_pay, receipt_id, +1 more
ocr_imageOcr ImageAIdempotentInspect
OCR one image to text with dual-engine consensus, calibrated confidence and per-segment corroboration. Japanese-strong. Flat $0.05/image. Choose this when the input is an IMAGE (photo, screenshot, receipt); for PDFs use parse_document.
Inputs: lang, image_url, x_payment, image_base64. Returns: body, status, how_to_pay, receipt_id, +1 more
parse_documentParse DocumentAIdempotentInspect
Parse a PDF to structured Markdown (hallucination-guarded OCR for scanned pages, Japanese-strong). Pass url (one step: the 402 quotes the exact price for that PDF) or quote_id from quote_parse (price fixed by the quote). One of the two is required. Choose this when the input is a PDF and you want its full text as Markdown; call pdf_info first if you do not know whether it is scanned, and use document_pipeline instead for invoices you also want verified.
Inputs: url, quote_id, x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
pdf_infoPdf InfoAIdempotentInspect
PDF facts before you pay for parsing: pages, metadata, per-page text volume, scanned-or-not estimate. $0.001. Choose this first for any unknown PDF (cheapest real call); then parse_document, pdf_pages or document_pipeline.
Inputs: url (required), x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
pdf_mergePdf MergeAIdempotentInspect
Merge 2-10 PDFs into one, in order. Deterministic, $0.003.
Inputs: urls (required), x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
pdf_pagesPdf PagesAIdempotentInspect
Extract pages from a PDF by 1-based ranges (e.g. 1-3,7) into a new PDF. Deterministic, $0.002.
Inputs: url (required), pages (required), x_payment. Returns: body, status, how_to_pay, receipt_id, +1 more
quote_parseQuote a PDF parse (free, exact price)ARead-onlyIdempotentInspect
Free quote for PDF parsing: page count, route (text/scan-OCR) and the exact final price, before any payment. Use the returned quote_id with parse_document (on /mcp or /mcp/docs).
Inputs: url (required). Returns: body, status, how_to_pay, receipt_id, +1 more
structured_extractStructured ExtractAIdempotentInspect
Fill YOUR JSON schema from any URL (hybrid LLM + deterministic canonicalization). $0.03/call. Choose this when you have your OWN JSON schema to fill from any page; for company profiles use enrich_company or jp_company_profile.
Inputs: url (required), schema (required), x_payment, instructions. Returns: body, status, how_to_pay, receipt_id, +1 more
verify_invoiceVerify InvoiceAIdempotentInspect
Verify extracted invoice fields: arithmetic consistency, line-item totals, JP registration number check-digit + corporate-number existence observation (official Japan NTA registry), accounting-ready JSON. $0.015/call. Choose this when you already HAVE invoice fields (from your own extraction) and only need them checked; to start from a PDF use document_pipeline.
Inputs: fields (required), x_payment, line_items. Returns: body, status, how_to_pay, receipt_id, +1 more
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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Every Mart402 tool in one endpoint: PDF parsing and OCR (Japanese-strong), web extraction, invoice checks, Japan statutory calculations and calibrated vision. x402 (USDC on Base), no API key; failed calls are never charged. Focused endpoints: Mart402 Documents & Web, Japan Statutory, Vision and Free tools.
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