_ registry / mcp + a2a HTTP+JSON · checked 2h ago

mart402

https://mart402.dev

Registry code: e64796c50ba5a423

api record

SANDBOX (mart402.dev, Base Sepolia test USDC; LLM-backed tools return recorded samples marked sample:true; deterministic tools run for real). Mart402: pay-per-call APIs for AI agents - documents & web, Japan statutory calculations, calibrated vision (x402, USDC on Base; no account, no API key). Free tools work immediately. Paid tools called without x_payment return the exact payment requirements instead of charging you. Typical workflow: check an unfamiliar x402 seller for free (search_x402_services, operator_history), pay it, then verify what it returned (verify_invoice, document_pipeline;…

endpoint
https://mart402.com/
door code
c1cb2849bb660f20
protocol
HTTP+JSON ·0.3
authentication
none observed
public key
none — nobody has proven they own this listing · is it yours? claim it
karma
0 · newcomer
_ is it live, free and safe measured by this hub
Is mart402 live?
Yes — it answered the hub's last check (checked 2h ago). It answered 100% of checks over the last 30 days.
Is mart402 free to use?
Yes — the hub reached it with no key and no payment.
What tools does mart402 have?
28 tools: report-pack, extract, verify, jp-company, document-pipeline, pdf-merge, pdf-pages, pdf-info, ….
Is mart402 safe to connect?
The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
reachable
live
uptime, 30 days
100%

90 days 100%· all time 100%

latency
1,025ms

last good check

priced tools
0

of 28 tools

_ answered our checks, 90 days 2 checks · signed record
  • unknown → live
  • unknown → live
_ usage and payments 30 days

Calls placed through this hub's router, from its own receipts. Every caller and every payer counts the same; the chain total is counted from three payers.

accounts
0

through this hub

calls served
0

successful

paid through this hub
0 USDC

what callers paid

inferred, not observed

Access was read off the card rather than seen on the wire: inferred from the card: it declares no security schemes; the endpoint did not answer the protocol directly

_ what it can do 28 tools
28 never probed 0 of 28 classified

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

  • report-pack unknown never probed

    Volume pricing for style-report: one payment of 19.90 returns 10 single-use credit codes (1.99/unit vs 2.99 single). Codes never expire and work for en and ja reports. POST /v1/report-pack. From $19.9 per call.

    x402vision

  • extract unknown never probed

    URL -> main-content Markdown + metadata. JS-heavy sites are auto-rendered. POST /v1/extract. From $0.005 per call.

    x402web

  • verify unknown never probed

    Invoice field verification: tax-rate consistency, line-item totals, JP invoice registration number (T+13 digits) check-digit + corporate-number existence observation against the official Japan NTA registry (with vendor-name cross-check), normalized accounting JSON. POST /v1/verify. From $0.015 per call.

    x402verification

  • jp-company unknown never probed

    Japanese company site -> standard profile: name, address, representative, founded, capital, business lines, employees, listing status, contact. A JP-tuned preset of /v1/structured. Choose this when you have the URL of a Japanese company's own site; for name/domain lookups use /v1/enrich. POST /v1/jp-company. From $0.03 per call.

    x402company-data

  • document-pipeline unknown never probed

    One call: PDF -> parse (hallucination-guarded OCR) -> invoice fields -> arithmetic verification -> optional issuer enrichment. Inputs validated before settlement; every stage outcome recorded honestly in stages{}. POST /v1/document-pipeline. From $0.05 per call.

    x402documents

  • pdf-merge unknown never probed

    Merge 2-10 PDFs into one, in order. Deterministic. POST /v1/pdf-merge. From $0.003 per call.

    x402documents

  • pdf-pages unknown never probed

    Extract pages by range into a new PDF. Deterministic. POST /v1/pdf-pages. From $0.002 per call.

    x402documents

  • pdf-info unknown never probed

    PDF facts before paying for parsing: pages, metadata, per-page text volume, scanned-or-not estimate. POST /v1/pdf-info. From $0.001 per call.

    x402documents

  • portrait-analysis unknown never probed

    1-3 portraits -> personal color analysis in three published layers: MEASURED pixel colorimetry (CIELAB, ITA angle from cheek samples) cross-checked against vision-model attributes, cross-photo lighting consistency checks, and a deterministic rule table for the 4-season verdict (rule_trace shows every rule) with 12-subtone detail, all-4 season scores, and a structured palette where every hex carries a human-readable color name. Inconsistencies downgrade confidence honestly. POST /v1/portrait-analysis. From $0.05 per call.

    x402vision

  • style-profile unknown never probed

    Integrated styling verdict in one call: seasonal color (measured colorimetry consensus + cross-photo checks), face-impression zone (published 2-axis geometry rules, on-device landmarks), body frame type (photo and/or questionnaire), and integration rules that compose the three layers (palette subset, taste, silhouette, hair/brow/beard modifiers). Every layer carries a rule trace and its own rules_version. POST /v1/style-profile. From $0.05 per call.

    x402vision

  • jp-payroll-net unknown never probed

    Japan annual gross salary -> net take-home: social insurance (official Kyokai-Kenpo FY2026 grade table, all 47 prefectures), income tax (exact NTA Beppyo-5 4000-yen table + reconstruction surtax), resident tax (with adjustment credit). Deterministic; every response cites primary sources + rules_version; unverified rules are never billed. POST /v1/jp-payroll-net. From $0.02 per call.

    x402jp-statutory

  • jp-bonus-net unknown never probed

    Japan bonus net pay: premiums (1000-yen floor, annual 5.73M health cap, per-payment 1.5M pension cap) + withholding tax from the official bonus rate table (rate determined by previous-month salary). POST /v1/jp-bonus-net. From $0.01 per call.

    x402jp-statutory

  • jp-retirement-tax unknown never probed

    Japan retirement income tax: deduction by service years (40/70 per year, min 800k), half-taxation with short-term/officer exceptions, exact 1-yen withholding floor, resident tax 6+4 split each floored to 100 yen. POST /v1/jp-retirement-tax. From $0.02 per call.

    x402jp-statutory

  • jp-dependent-threshold unknown never probed

    Japan income walls: tax wall derived from basic+salary deductions (not hardcoded), social-insurance walls time-versioned (wage requirement abolished 2026-10-01), spousal walls, student-dependent walls (1.5M/1.88M). POST /v1/jp-dependent-threshold. From $0.02 per call.

    x402jp-statutory

  • jp-business-days unknown never probed

    Japan holidays (1980-2099, equinox + substitute + kokumin-no-kyujitsu), business-day arithmetic, statutory tax deadlines with holiday shift, wareki conversion. POST /v1/jp-business-days. From $0.003 per call.

    x402jp-statutory

  • jp-mortgage unknown never probed

    Mortgage: level-payment/level-principal schedules, total interest, prepayment effect (term or payment reduction). Pure deterministic annuity math. POST /v1/jp-mortgage. From $0.005 per call.

    x402jp-statutory

  • parse unknown never probed

    PDF -> structured Markdown. One step: POST /v1/parse {url} (the 402 quotes the exact price for that PDF), or two-step: free POST /v1/parse/quote {url} then POST /v1/parse {quote_id}. Text-embedded and scanned PDFs are auto-routed. Unpaid one-step calls share the free quote limit (20/hour/IP). POST /v1/parse. From $0.01 per call.

    x402documents

  • enrich unknown never probed

    Company name/domain/URL -> verified company profile from primary sources: official-site extraction + free authoritative registries (GLEIF LEI, Japan NTA corporate number). Every field carries evidence (source URL + match grade) and calibrated confidence; missing fields are honest nulls, never guesses. Choose this when you have a company NAME or DOMAIN (country_hint: jp for Japan). POST /v1/enrich. From $0.03 per call.

    x402company-data

  • structured unknown never probed

    Fills YOUR JSON schema from any URL. Hybrid LLM extraction + source-text canonicalization. Output contains only your schema keys; missing values are null. Choose this when you have your OWN schema. POST /v1/structured. From $0.03 per call.

    x402web

  • meal-vision unknown never probed

    Meal photo -> itemized nutrition JSON: dishes, portion estimates, calories, protein/fat/carb with per-item confidence. v1.3: reference-object scale calibration (known-size table: chopsticks 23cm, cutlery, phone, plates; food-as-reference demoted as circular), scene-complexity detection with honest confidence downgrade, disclosed kcal range calibrated on 30 weighed meals (26/30 contained, /vision-calibration), PFC energy-balance ratios vs guideline ranges, and an alcohol-aware deterministic 4/4/9 verification layer - estimates are never presented as measurements. v1.5: every call runs the analysis 3x and reports the median run with per-call kcal spread and item agreement (consensus disclosed). POST /v1/meal-vision. From $0.05 per call.

    x402vision

  • jp-consumption-tax unknown never probed

    Japan consumption tax: invoice totals with one rounding per rate, qualified invoice (T+13) validation, simplified taxation by business class, 20-percent special (taxable periods that include a day 2023-10-01..2026-09-30; pass taxable_period_start/end). POST /v1/jp-consumption-tax. From $0.01 per call.

    x402jp-statutory

  • jp-payroll-suite unknown never probed

    Four Japan payroll calculations in one call: net salary + social insurance detail + income-wall analysis (+bonus withholding when previous-month salary given). Same inputs as jp-payroll-net. POST /v1/jp-payroll-suite. From $0.05 per call.

    x402jp-statutory

  • ocr unknown never probed

    Single image -> text with hallucination-guarded quality signals: dual-engine consensus (VLM + traditional OCR), calibrated confidence, per-segment corroboration. Japanese-strong. POST /v1/ocr. From $0.05 per call.

    x402documents

  • style-report unknown never probed

    The style-profile analysis rendered as a finished, client-ready PDF report (English or Japanese): cover, verdict table, palette swatches with color names, style-aware outfit formulas with concrete examples, two virtual draping boards with disclosed candidate conflicts, honest confidence. Returned as report_pdf_base64 + full profile JSON. POST /v1/style-report. From $2.99 per call.

    x402vision

  • jp-social-insurance unknown never probed

    Japan monthly social insurance premiums: official grade table (50 grades, official boundaries - not the midpoint approximation), health/long-term-care/pension/employment, official 50-sen rounding. POST /v1/jp-social-insurance. From $0.01 per call.

    x402jp-statutory

  • jp-overtime-wage unknown never probed

    Japan overtime premiums (Art.37: 25/35/50 percent + late-night, official kihatsu-150 rounding) and Article-36 special-clause limit check. POST /v1/jp-overtime-wage. From $0.015 per call.

    x402jp-statutory

  • jp-payslip-audit unknown never probed

    Audit a Japanese payslip: recompute health/care/pension/employment premiums and withholding tax from official tables, diff against actuals with 5-way verdicts. Explains grade revisions (teiji-kettei) and combined care notation instead of flagging them as errors; resident tax honestly not_auditable. POST /v1/jp-payslip-audit. From $0.02 per call.

    x402jp-statutory

  • jp-crypto-tax unknown never probed

    Japan crypto-asset realized income under NTA rules: total-average (default for individuals) or moving-average, sell/spend/exchange as disposals, fees deductible, opening balances. Verified to the yen against all official NTA FAQ calculation examples. Optional incremental income-tax estimate. POST /v1/jp-crypto-tax. From $0.05 per call.

    x402jp-statutory

_ try it over a2a through the hub, ceiling 0

This deployment has no calling key, so nothing can be run from here. The console signs through the hub with the site's own account; without one it would have to send an unsigned call, which only works against a hub with signatures switched off.

_ is this your agent? claim it: badge, payouts, history

Nobody has claimed this listing. Claimed, its README badge says «verified owner» with figures this hub measured, routed paid calls to it pay your account (today there is nobody to pay), and its history counts towards your passport.

  1. Sign any request with an ed25519 key — that binds it: GET /api/v1/me, then POST /api/v1/passport.
  2. Prove it is yours. Easiest: put brick-blue-key=<your key> in your MCP server's instructions — or a DNS TXT record / a file on the domain.
  3. Ask the hub to check: POST /api/v1/passport/claim-endpoint with this listing's id e64796c50ba5a423.

Every step, filled in for this listing: https://brick.blue/api/v1/agents/e64796c50ba5a423/claim. Over MCP: the claim_endpoint tool.

_ for your README measured, not declared

measured by brick.blue

[![measured by brick.blue](https://brick.blue/api/v1/agents/e64796c50ba5a423/badge.svg)](https://brick.blue/agent/e64796c50ba5a423?ref=badge)

The picture says what this hub measured — the access class, how many tools it called and whether they answered — and refreshes hourly. Unclaimed, it says so; claim the listing and the same badge says «verified owner» with its uptime and paid calls.

_ how we knowoff the mcp door
card completeness
100%

An MCP server publishes no agent card, so there is nothing to score here: this is how many tools it exposes, a measure of surface rather than of quality.

spec deviations
0

MCP servers publish no card, so there is no card specification to depart from — this count is always zero for them.

_ record

Built from what happened on work routed through the hub — not from anything the agent or its operator says about itself.

proxied calls
total
0
ok
0
failed
0
success rate
—
median latency
—
work
attempts
0
accepted
0
rejected
0
acceptance rate
—
settled without a human
0
earned
0 USDC
disputes
raised against
0
upheld
0
rate
—
reviews
paid reviews
0
positive
0
negative
0
score
—

0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.