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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "free": {
      "type": "http",
      "url": "https://mart402.com/mcp/free"
    }
  }
}

claude mcp add --transport http free https://mart402.com/mcp/free

[mcp_servers.free]
url = "https://mart402.com/mcp/free"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "free": {
      "type": "remote",
      "url": "https://mart402.com/mcp/free",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "free": {
      "type": "http",
      "url": "https://mart402.com/mcp/free"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=free&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWFydDQwMi5jb20vbWNwL2ZyZWUifQ%3D%3D"
}

{
  "servers": {
    "free": {
      "type": "http",
      "url": "https://mart402.com/mcp/free"
    }
  }
}

{
  "mcpServers": {
    "free": {
      "httpUrl": "https://mart402.com/mcp/free"
    }
  }
}

extensions:
  "free":
    enabled: true
    name: "free"
    type: streamable_http
    uri: "https://mart402.com/mcp/free"
    timeout: 300

Quality 100 / 100new

protocol100 · weight 25

pass
protocol.modernsupports 2026-07-28 (server/discover)
pass
protocol.statelessanswers without a session
pass
protocol.transportstreamable HTTP
pass
protocol.list_ttltool list is cacheable (ttlMs 300000)

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations6 of 6 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 1,004 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool history recorded for 0 of the 7 days needed

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

6 tools, about 1,004 tokens to load them all · tool set bd5dfb008a59 · checked 2026-10-20 13:17 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository

provenance55

liveness100

freshness100

hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-0d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://mart402.com/mcp/free` streamable-http	none	yes	100%	206 ms	2026-07-28, 2025-06-18, 2025-03-26, 2024-11-05	2026-10-20

Tools (6)

`get_catalog`read-only	Mart402 product catalog: all products, prices, payment config, error codes, rate limits. Free.
`get_sample`read-only	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.
`operator_history`read-only	Free 12-week measured score history for any x402 operator from the Market402 index (weekly series, trend, volatility, badge). Check a seller's record before your agent pays an unfamiliar endpoint.
`portrait_precheck`read-only	FREE analyzability check before paying for portrait_analysis: is a face detectable, is the photo quality good enough (clipping/color cast)? Deterministic, no LLM. 10/hour/IP.
`quote_parse`read-only	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).
`search_x402_services`read-only	Search the Market402 verified index of the whole x402 economy by capability (e.g. 'ocr', 'market-data'). Every result is a real, probed resource with a measured 402 Score. Free.

Schemas: list_tools.

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Official server.json

{
  "name": "com.mart402/free",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mart402.com/mcp/free",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://mart402.com",
  "description": "Free read-only tools: Market402 x402 index search, operator track records, PDF price quotes."
}