Categories › AI & Agents › Multi-agent, orchestration & workflows
32 pay-per-call x402 tools: x402 seller audit, invoice intake, OCR, PDF, email, web, on-chain
Remote server: your requests and data go to agents.crowdspark.me. Claude Code: claude mcp add --transport http agent-tools https://agents.crowdspark.me/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
email_check — Validate email address syntax, check MX mail servers, detect disposable or temporary domains, identify role addresses (info@, sales@) and fremail_check_full — One call email risk check: everything in email_check plus sender domain health (domain age, registrar, SPF, DMARC, website reachable) and a pdf_to_text — PDF to text or markdown for RAG, summarizing, search indexing and reading reports, papers, contracts and invoices. Give a PDF URL (max 20 MBdocument_extract — One call document parsing for invoices, receipts, statements, forms and scanned pages: PDF or image URL in, full text plus extracted fields domain_lookup — Domain intelligence for due diligence, phishing checks and lead research: registrar, creation and expiry dates (RDAP/WHOIS), A/AAAA/MX/NS/TXimage_ocr — OCR: read all text from a screenshot, photo, receipt, sign, scanned page or chart image at a URL (PNG/JPEG, max 10 MB). Keeps line breaks. Pfile_convert — Format conversion for data pipelines and publishing: CSV to JSON, JSON to CSV, HTML to markdown, markdown to HTML, HTML to plain text. JSON web_to_markdown — Convert a web page URL to clean Markdown for LLMs, research, RAG and summarization. Extracts main content without navigation or scripts. Retweb_read_full — One call page reader: clean markdown plus page metadata (title, description, Open Graph, canonical, favicon), outbound links, word count andurl_metadata — Link preview and unfurl data: title, description, Open Graph image, site name, canonical URL, favicon and final URL after redirects. Price $timezone_convert — Convert time between timezones for scheduling meetings and coordinating deadlines across IANA time zones. DST-correct UTC offsets. time=ISO business_days — Calculate business days between two dates for SLAs, invoice due dates, shipping and legal deadlines. Counts working days, skipping weekends public_holidays — Public holiday calendar and list for 100+ countries by year. For scheduling, payroll and delivery planning. Returns national holidays with dfx_rates — Currency exchange rates and conversion. European Central Bank reference rates for price conversion, invoicing and travel budgets. Latest ratweather_forecast — Weather forecast for any latitude and longitude: current conditions plus hourly and daily forecast up to 48 hours. Data from MET Norway. Priip_lookup — IP address lookup for security triage, log analysis and fraud checks: owning network, allocation range, registry country (RDAP) and reverse token_info — Token contract inspector for Base, Ethereum, Optimism, Arbitrum and Polygon: is it a contract, ERC20/ERC721/ERC1155 detection, name, symbol,gas_estimate — Gas estimate and fee quote for Base, Ethereum, Optimism, Arbitrum and Polygon: eth_estimateGas for your transaction (to, from, value, data) x402_endpoint_check — x402 readiness check for any paid API URL: probes it without paying and reports whether it returns a valid 402, where the requirements are (x402_seller_audit — Will my paid API get listed? Audits any x402 endpoint URL: runs the readiness check, flags the 500 character description limit, then checks email_check_batch — Batch email validation for list cleaning: up to 10 addresses per call, 40% cheaper than 10 single calls. JSON body {emails:[...]}. Each itemip_lookup_batch — Batch IP lookup for log analysis and fraud review: up to 10 IPv4 or IPv6 addresses per call, 40% cheaper than singles. JSON body {ips:[...]}domain_lookup_batch — Batch domain intelligence for due diligence and lead lists: up to 10 domains per call, 60% cheaper than singles. JSON body {domains:[...]}. url_dossier — One call dossier on a web page and its host: clean markdown, page metadata, outbound links and extracted fields, plus domain intelligence (rinvoice_intake — Invoice intake for AP agents: PDF or image URL in, one decision-ready JSON out. Extracts text, number, total, dates and vendor contact, thentoken_preflight — Token preflight for agents about to swap, list or pay with a token on Base, Ethereum, Optimism, Arbitrum or Polygon: contract and standard cagent_context — International context bundle for scheduling, invoicing and coordination across borders. Combines timezone conversion, holiday calendar and cens_resolve — ENS lookup: name to address (with avatar) or address to primary name, with forward verification. Read live from Ethereum mainnet. Use name=vwallet_balance — Wallet balance on Base, Ethereum, Optimism, Arbitrum or Polygon: native coin balance with USD value (Chainlink) plus up to 10 ERC20 token batx_decode — Transaction decoder for Base, Ethereum, Optimism, Arbitrum and Polygon: status, from, to, value, gas used, fee in native coin and USD, methobusiness_day_add — Due-date calculator: add or subtract N business days from a date, skipping weekends and nationwide public holidays for a country (ISO code).fx_convert — Currency converter for invoices, quotes and budgets: convert an amount from one currency into up to 10 others using European Central Bank raurl_check — Link health check: follows redirects hop by hop (max 8) with status and timing, flags loops and https downgrades, then reports final status,package_advisories — Check a package before installing it: known vulnerabilities for one npm, PyPI, cargo, Go or Maven package version (OSV.dev), fixed-in versiosafe_web_read — Read a web page as clean markdown and screen for prompt injection before adding to agent context. Returns markdown plus prompt injection verprompt_injection_check — Detect prompt injection and jailbreak attempts in untrusted text such as scraped web pages, emails and tool output. JSON body {text} (max 50pii_redact — Scrub text before it goes to a model or a log: JSON body {text, mask} (max 100,000 chars). Finds emails, phones, SSNs, cards (Luhn), IBANs, federal_register_search — Search the US Federal Register: final rules, proposed rules, notices and presidential documents with title, agencies, publication date, effesec_filings — Recent SEC EDGAR filings for a US-listed company by ticker or CIK: form type, filing and report dates, 8-K item codes with plain labels, accsec_facts — Financial figures over time from SEC XBRL filings for a US-listed company by ticker or CIK: revenue, net income, EPS, assets, liabilities, cNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.