# Mercuryx402 Mercury X402 MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.mercuryx402%2Fmercury-x402-mcp
Registry id: `mcp-registry/io.github.mercuryx402/mercury-x402-mcp`
Status: live (checked 2026-10-26T20:44:40.396Z)

## Measurements (30 days)

- Uptime: 99.41%
- Checks: 4947
- Outages (90 days): 786

## Install

```json
{
  "mcpServers": {
    "mercuryx402-mercury-x402-mcp-server": {
      "type": "http",
      "url": "https://network.mercury-hq.com/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http mercuryx402-mercury-x402-mcp-server https://network.mercury-hq.com/mcp
```

## Tools (22)

- `availability`: URL → a signed uptime/status probe: up/down, HTTP status + class, reachability reason, final URL after redirects, and a measured responseMs — wrapped in an offl
- `batch`: List of URLs (≤20) → clean content for each + ONE signed receipt committing to a MERKLE ROOT over every page's contentHash. Tamper-evident multi-page snapshot w
- `diff`: URL + prior content-hash (or prior text) -> refetch, deterministic change-proof: changed? + a NEW signed receipt binding fromHash->toHash. Stateless; receipts c
- `dns`: Domain → a SIGNED, timestamped DNS snapshot (A, AAAA, MX, NS, TXT, CNAME, SOA), normalised + sorted into a byte-stable record set with an offline-verifiable pro
- `extract`: TYPED structured extract for autonomous agents — URL + schema → a clean, type-safe JSON record. Where /buy/fetch returns page TEXT (and ?extract= returns string
- `feed`: RSS/Atom feed URL → a SIGNED, normalized item list [{title,link,published,summary}] unified across RSS 2.0/RDF + Atom 1.0: CDATA unwrapped, HTML stripped, entit
- `fetch`: VERIFIABLE keyless web-read for autonomous agents. Every result ships a cryptographically SIGNED provenance receipt (EIP-191 over sha256(text)+url+status+time) 
- `headers`: URL → a deterministic HTTP security-headers audit (HSTS, CSP, X-Frame, X-Content-Type, Referrer-Policy, Permissions-Policy + more) with a letter grade and concr
- `link_graph`: Get the link graph (internal and external links) of a URL.
- `links`: URL → a SIGNED outbound/internal link graph: every <a href> as an absolute URL + anchor text, classified internal vs external against the page origin, grouped b
- `markdown`: URL → clean, LLM-ready markdown (boilerplate/nav/ads stripped, headings + lists + links preserved) with a signed provenance receipt pinning the markdown to its 
- `mercury_catalog`: List all available tools with their SKU, cost, and description.
- `mercury_verify`: Verify an EIP-191 provenance receipt offline.
- `metadata`: URL → one typed, SIGNED metadata record (JSON-LD + OpenGraph + Twitter-card + standard <meta> + canonical + title), by source. Deterministic, keyless, no LLM — 
- `notarize`: Notarize any content (inline ?content= or a fetched ?url=) into a signed, offline-verifiable provenance receipt — sha256 contentHash + witnessed timestamp, atte
- `readability`: URL → a clean ARTICLE record { title, byline, publishedAt, article text } with boilerplate (nav/header/footer/sidebar/ads/share-bars/comment-forms) stripped via
- `redirect`: URL → a SIGNED redirect/canonical resolution: the full hop chain [{url,status}] from the link you have to where it ACTUALLY lands, the final resolved URL + stat
- `robots`: Domain → signed, timestamped per-AI-crawler allow/block audit from robots.txt + llms.txt + ai.txt (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, Bytespider
- `sitemap`: Domain/URL → a SIGNED snapshot of the site's PUBLISHED sitemap: discovers the sitemap via robots.txt Sitemap: lines then /sitemap.xml fallback, parses <urlset> 
- `table`: URL in → the page's main HTML <table>(s) parsed into typed, header-keyed rows (JSON) + clean RFC-4180 CSV, with a signed provenance receipt over the exact extra
- `table_extract`: Extract tables from a URL.
- `validate`: URL (a JSON/API endpoint) + a JSON Schema in → a deterministic pass/fail with per-field errors (missing/wrong-type/enum/range/pattern), plus a signed provenance

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.