io.github.lx1112/onchaincheck

up checked 2026-11-11T00:38:23.852Z

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Publisher-provided title

onchaincheck

Publisher-provided description

100+ pay-per-call tools: token risk, wallet sanctions screening, onchain data, web, company, AI

Summary by lookupd

Lets agents screen crypto addresses and tokens for risk, check sanctions, search jobs, convert currencies, audit websites, and read web…

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http onchaincheck https://onchaincheck.dev/mcp

Codex, remote (streamable-http)

codex mcp add onchaincheck --url https://onchaincheck.dev/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "onchaincheck": {
      "url": "https://onchaincheck.dev/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 113)

Publisher-provided text

• canada_sales_tax Canadian sales tax breakdown for an amount in a province or territory: GST, HST, PST, RST or QST with each rate and amount rounded to the cent, plus the total.
• canada_business_days Number of business days between two dates in a Canadian province or territory, excluding weekends and that province's statutory holidays (with weekend holidays
• canada_statutory_holidays Statutory (general) holidays for a Canadian province or territory in a given year, using the province's local names, with the actual date and the weekday it is
• fx_ecb_rates European Central Bank daily reference exchange rates for about 30 major currencies, from any base currency, latest or for a past date. Rates update once per wor
• fx_ecb_convert Convert an amount between two currencies at the European Central Bank daily reference rate, latest or for a past date, returning the rate used, the result, and
• token_risk_check Is this token safe? Rug check for any token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a 0-100 risk score with plain reasons (mint, freeze, black
• token_watchlist Re-check up to 5 tokens you hold or watch in one call, on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: each token's 0-100 risk score, level, reason co
• token_watch_subscribe Webhook alerts for up to 5 tokens on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana for 7 days: we re-check each about hourly and POST a signed JSON aler
• token_verdict Rug Radar verdict for a token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a grade (CLEAN, MID, SKETCHY, RUGGY), a one-liner, a short take and a sh
• deployer_record Who launched this token, and what happened to their other tokens? A creator's launch record on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana from our ow
• deployer_links Which other launch wallets share this deployer's funder? Serial ruggers launch each token from a fresh wallet funded from one source. Pass a deployer wallet or
• solana_token_snapshot Rug check and due-diligence snapshot of a Solana SPL or Token-2022 token: a 0-100 risk score with reasons, name, symbol, supply, mint and freeze authority, Toke
• solana_wallet Portfolio and activity of a Solana wallet: SOL and every SPL and Token-2022 balance with USD values from Jupiter, sorted by value, with dust, unpriced and empty
• address_sanctions_screen Is this address sanctioned? Screens a crypto address against the US Treasury OFAC SDN list's published digital currency addresses (ETH, USDC, USDT, XBT, SOL, TR
• address_sanctions_exposure Has this wallet dealt with sanctioned addresses? Reads up to 4,000 of the wallet's latest transfers (native, internal, ERC-20, NFTs) on Base, Ethereum, Arbitrum
• prepayment_safety_check Is it safe to pay this address? One check before sending or accepting crypto: OFAC SDN sanctions screen, wallet age, EOA or contract, first funder and recent la
• prepayment_safety_check_lite Is it safe to pay this address? The address-only version of /check: OFAC SDN sanctions screen, wallet age, EOA or contract, first funder and recent large transf
• company_jobs Remote or on-site jobs open at a company right now, from its own applicant tracking system's public job board: Greenhouse, Lever, Ashby, Workable, SmartRecruite
• jobs_search Job search: find open jobs (remote, by title, location or pay) across about 20,000 company job boards (Greenhouse, Lever, Ashby, Workable, SmartRecruiters, Recr
• jobs_new Job alerts: new job openings since a time, for monitoring (e.g. new remote engineering roles): jobs first seen by a twice-daily crawl of about 20,000 company jo
• jobs_salary Salary for a job title: how much a role pays, from open postings that publish pay, on about 20,000 company job boards crawled twice a day. Optional location, re
• company_profile Is a company hiring? A company's hiring profile from its public job board (Greenhouse, Lever, Ashby, Workable, SmartRecruiters, Recruitee, Workday), crawled twi
• company_hiring_trend Is a company growing or cutting? Hiring trend from our recorded history of every posting added and removed on its public job board (Greenhouse, Lever, Ashby, Wo
• website_audit Website audit in one call: HTTP security headers (HSTS, CSP, clickjacking, cookies, mixed content), on-page SEO (title, meta description, h1, canonical, noindex
• web_extract Read a web page as clean Markdown for an LLM: fetches the URL, drops navigation, header, footer, forms and scripts, and returns the main text as Markdown with t
• web_search Search the web: up to 10 results for a query, most relevant first, each with title, URL, publish date, author and the passage of the page that best matches the
• web_fetch Fetch a URL and get the response as sent: HTTP status, content type, key headers, the redirect chain, timing and the raw body (HTML, JSON, XML or text, up to 50
• web_contents Read up to 5 web pages in one call as clean text for an LLM, in the Exa /contents shape: POST {urls: [...], text: {maxCharacters}} and get results with url, tit
• email_validate Is this email address worth sending to? Checks syntax, the domain's mail servers (MX, implicit MX, null MX) and mail provider, disposable domains (10,000+ known
• email_auth_check Check a domain's email authentication: SPF record and its all-mechanism and lookup count, DMARC policy, DKIM at common selectors, MX hosts and mail provider, an

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 463 ms
• First indexed: 2026-11-08T22:17:29.162Z
• Last seen in registry: 2026-11-08T22:17:29.162Z
• Website: https://onchaincheck.dev

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• Last crawl: 2026-11-11T17:17:22.074Z
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