AgentKit x402 MCP server

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Remote MCP tools for pay-per-call email, domain, SEO and Swedish data utilities (x402).

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "AgentKit x402 MCP server": {
      "url": "https://agentkit-x402.zenith-ops.workers.dev/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (13)

• email_check read-only

  Email address verification for AI agents and lead-qualification pipelines: syntax check, disposable-domain detection, role-account (info@, support@) detection, free-provider flag, domain typo suggestion (gmial.com -> gmail.com) and DNS MX/A validation via DNS-over-HTTPS. Returns verdict valid, risky, invalid or unknown with a 0-100 score. No SMTP probing, so mailbox existence is not confirmed.

  Parameters:

  • email (required) — string — Email address to check.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• email_auth read-only

  Email deliverability and spoofing-protection audit for a domain: parses SPF (mechanisms, top-level DNS lookup count, +all/~all/-all), DMARC (policy, pct, rua/ruf, alignment), probes common DKIM selectors, and reports MX, BIMI, MTA-STS and TLS-RPT. Returns prioritised findings with fix hints and a 0-100 score. DNS-based; nested SPF includes are not expanded.

  Parameters:

  • domain (required) — string — Domain name without scheme.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• domain_dns read-only

  DNS lookup for a domain through DNS-over-HTTPS: A, AAAA, NS, MX, TXT, CAA, SOA, CNAME records with TTLs, plus DNSSEC presence (DNSKEY, DS) and the resolver validation flag. Structured JSON for domain research, due diligence and infrastructure agents.

  Parameters:

  • domain (required) — string — Domain name without scheme.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• site_contacts read-only

  Public contact details published on a website: emails (including mailto links and [at] obfuscation, classified role or personal), phone numbers normalised to E.164, social profile links, address hints and Swedish organisation numbers for .se sites. Fetches the given page plus up to 3 contact-like pages (/contact, /kontakt, /about, /om-oss, /impressum) on the same host only. Honours robots.txt; returns 403 blocked_by_robots (not charged) if disallowed.

  Parameters:

  • url (required) — string — Page URL, usually the homepage.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• site_audit read-only

  Technical SEO audit of one page: HTTP status, redirect chain, title and meta description length, H1 count, canonical, robots meta, hreflang, Open Graph and Twitter tags, JSON-LD types, images without alt text, link counts, security headers (HSTS, CSP, X-Frame-Options), technology detection (CMS, framework, analytics, CDN) and a prioritised issue list with a 0-100 score. Static HTML only; honours robots.txt.

  Parameters:

  • url (required) — string — Page URL to audit.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• url_markdown read-only

  Fetches a web page (up to 1.5 MB, 8 s timeout) and returns clean Markdown: title, headings, paragraphs, lists, links, images, code blocks and simple tables, with navigation and footers removed. Ready to feed to LLMs. Static HTML only, no JavaScript rendering. Honours robots.txt.

  Parameters:

  • url (required) — string — Page URL to convert.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• se_validate read-only

  Validates Swedish identifiers with checksum and date logic: personnummer, samordningsnummer, organisationsnummer (including sole-trader and VAT forms), bankgiro, plusgiro and OCR payment references. Returns normalised forms and error codes. No application-level storage.

  Parameters:

  • type (required) — string — Identifier type.
  • value (required) — string — The identifier to validate.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• iban_check read-only

  IBAN validation: country-specific length (from a bundled table of IBAN countries), mod-97 checksum, normalised and formatted output, BBAN and check digits. Does not check that the account exists.

  Parameters:

  • iban (required) — string — IBAN, spaces allowed.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• se_account_to_iban read-only

  Converts a Swedish clearing number and account number to IBAN and BIC, identifies the bank, and validates the account number checksum according to the bank-specific rules. Clearing table dated 2026-10-16; does not check that the account exists.

  Parameters:

  • clearing (required) — string — Clearing number, 4 digits (5 for Swedbank 8xxx).
  • account (required) — string — Account number.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• bank_days read-only

  Adds or subtracts Swedish bank days (weekends, public holidays and midsommarafton, julafton, nyarsafton excluded) to a date. Optional mode=work counts only weekends and red days. Returns the result date with weekday, ISO week and holiday names for both dates.

  Parameters:

  • from (required) — string — Start date, YYYY-MM-DD.
  • add (required) — string — Bank days to add (negative to go back, max 1000).
  • mode — string — bank (default) or work.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• brand_check read-only

  Use before naming a product, company or project. For 1-3 names: domain availability via registry RDAP (DNS fallback), handles on GitHub, Bluesky, npm, PyPI, Telegram (others flagged could_not_confirm with links), exact-name Apple App Store apps, and identical/similar USPTO trademarks with serial, registration number and status. Per-check UTC timestamps, optional free variations and Markdown report. Not legal advice; nothing is registered.

  Parameters:

  • name (required) — string — Name to check, or up to 3 comma-separated names.
  • tm — string — Trademark offices: us is searched (default); eu,wipo,se,uk return manual search links.
  • tlds — string — Comma-separated TLDs (max 8). Default com,io,ai,co,net,app.
  • markdown — string — 1 to add report_markdown: one table per name.
  • platforms — string — Comma-separated platforms (max 12): github,bluesky,npm,pypi,telegram,mastodon are checked; x,instagram,tiktok,youtube,reddit,twitch,facebook,linkedin return could_not_confirm plus a manual link.
  • variations — string — 1 to suggest up to 5 variations free on the first TLD and the first two checked platforms (single name only).

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• pricing read-only

  Free price table and x402 payment instructions.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

• demo read-only

  Free static sample output. Pass a paid route slug.

  Parameters:

  • slug (required) — string

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world yes

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