Pay-per-call tools for agents via x402 (USDC on Base): Korean data, doc-to-Markdown, web utilities.
Connect Remote server
claude mcp add --transport http 1gateway https://1gateway.dev/mcp{
"mcpServers": {
"1gateway": {
"url": "https://1gateway.dev/mcp"
}
}
}{
"servers": {
"1gateway": {
"type": "http",
"url": "https://1gateway.dev/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://1gateway.dev/mcpTools 80 found in our last check
kr_company_reportUse when an agent needs an English due-diligence brief on a South Korean company. Input: business_number, dart_corp_code, stock_code or q (exact name); format=json|markdown; news=true|false. Output: JSON summary, business overview, annual financials (revenue, profit, debt, YoY),…
kr_apartment_tradesUse when you need actual apartment sale prices in a South Korean district for a month (property research, valuation, comps). Data: MOLIT (Korea land ministry) reported deals since 2006, updated daily. Input: region (5-digit LAWD_CD, e.g. 11680 Gangnam-gu), month (YYYYMM). Output…
kr_apartment_trades_summaryUse when you need a quick housing-market snapshot for a South Korean district-month instead of raw trades. Data: MOLIT reported apartment sales, cancelled deals excluded. Input: region (5-digit LAWD_CD, e.g. 11680), month (YYYYMM). Output: JSON count, median/average/min/max pric…
kr_bok_ecos_seriesUse when you need official Bank of Korea statistics (base rate, money supply, key indicators) as a time series. Input: stat (ECOS table code, e.g. 722Y001), cycle (A/S/Q/M/SM/D), start, end (period format of cycle), optional item (e.g. 0101000). Output: JSON series with English…
kr_lawUse when you need the official text of a South Korean statute, decree or rule, or one article of it. Statutes only: no court decisions or personal data. Input: q (statute name in Korean, e.g. 근로기준법) or mst (law serial no.), optional article (e.g. 2), limit (articles, 1-100, defa…
us_macro_seriesUse when you need a US macro time series (pairs with Korea's Bank of Korea series). Input: series (unemployment_rate, cpi, core_cpi, payrolls, avg_hourly_earnings, ppi, public_debt, avg_rate_bills, avg_rate_notes, avg_rate_bonds), optional start, end (years, max 10-year span, de…
macro_calendarUse when an agent must know when the next US data release or Fed decision lands. Input: optional indicators (cpi, jobs, ppi, jolts, eci, import_prices, gdp, pce, trade, retail_sales, durable_goods, housing_starts, new_home_sales, fomc), days (1-120, default 30). Output: events b…
macro_treasury_curveUse when an agent needs the official US Treasury par yield curve for a day or a recent stretch. Input: optional date (YYYY-MM-DD, default latest), days (1-366 history ending at date). Output: JSON yields per tenor (1m to 30y, percent), 2s10s and 3m10y spreads in bp, inversion fl…
travel_us_airportsUse when an agent must know if a US airport has a ground stop, ground delay program, closure or arrival/departure delay right now. Input: optional airport (FAA/IATA 3-letter like JFK, or ICAO like KJFK); none = every affected airport. Output: JSON per airport flags, max delay mi…
kr_weather_forecastUse when you need the official weather forecast for a point in South Korea for the next ~3-5 days. Data: KMA (Korea Meteorological Administration) village forecast on a 5 km grid, issued 8 times a day. Input: lat, lon (WGS84 decimal; Korea only). Output: JSON hourly then 3-hourl…
kr_public_holidaysUse when you need South Korea's official public holidays for a year (business-day calculation, scheduling, settlement and payroll calendars). Data: KASI (Korea Astronomy and Space Science Institute) special-day register, incl. substitute and temporary holidays once promulgated.…
kr_trade_exports_10dayUse when you need South Korea's earliest export read: the Korea Customs 10-day provisional release (days 1-10, 1-20, full month; out on the 11th, 21st and 1st). Input: optional month (YYYYMM) and period (10, 20, full); default latest. Output: JSON exports in USD with YoY %, late…
kr_trade_hsUse when you need South Korea's monthly trade for a product by HS code (e.g. 8542 chips, 870323 cars, 2710 petroleum). Data: Korea Customs Service, finalized monthly. Input: hs (2-10 digit prefix), optional month (YYYYMM, default latest), limit (1-100), sort (exports, imports, b…
kr_trade_pulseUse when you need a one-call read on South Korea's export cycle for macro, FX or chip-sector analysis. Data: Korea Customs 10-day and monthly releases. Input: none. Output: JSON headline (latest exports and YoY, semiconductor share, strongest/weakest item and market, 3-month ave…
kr_company_resolveUse when an agent must identify a South Korean company before looking up its profile or public-procurement record. Input: one of business_number (10 digits), dart_corp_code, stock_code (KRX, e.g. 005930) or q (company name, exact match ignoring 주식회사/(주)/spacing); first wins. Out…
kr_company_profileUse when an agent needs a normalized profile of a South Korean company for KYB, research or sales. Input: id (companyId from /v1/kr/company/resolve). Output: JSON profile: names, business/corporate/DART/stock ids, market, KSIC code, founding date, fiscal year end, address, homep…
kr_company_procurementUse when an agent needs a South Korean company's government contract wins for sales, credit or competitor research. Input: id (companyId) or business_number; optional from/to (YYYY-MM-DD, max 366 days, default last 12 months), category (goods,works,services,foreign), min_amount,…
kr_business_statusUse when an agent must check that a South Korean business is still operating before paying, contracting or onboarding it (KYB, invoice checks). Input: b_no (1-20 business registration numbers, comma-separated, hyphens ok). Output: JSON per number: status (active, suspended, clos…
kr_addressUse when an agent must normalize or translate a South Korean address (shipping, checkout, KYC forms). Input: q (Korean address or part of one, e.g. road name + number or neighborhood + lot number), optional limit (1-5). Output: JSON matches with official road-name and lot-number…
kr_filingsUse when an agent needs recent material disclosures of a South Korean listed company (rights offerings, CBs, buybacks, M&A, litigation, earnings, periodic reports). Input: corp (DART corp_code, KRX stock code or kr-dart- id) or q (exact name), optional days (1-365, default 30);…
kr_filing_summaryUse when an agent needs a Korean corporate disclosure in English. Input: rcept_no (14-digit DART receipt number from /v1/kr/filings). Output: JSON with headline, what_happened, key_figures (amounts, ratios, share counts with units), parties, key_dates, why_it_matters, confidence…
kr_supplier_checkUse when an agent must vet a South Korean supplier or counterparty before paying, contracting or onboarding it. Input: one of business_number, dart_corp_code, stock_code or q (exact company name). Output: JSON summary (riskLevel, riskFlags such as closed/suspended or sanctions m…
web_metadataUse when an agent needs to know what a URL is before reading it, or to build a link preview or citation. Input: url (public http/https). Output: JSON with final URL after redirects, HTTP status, content type, title, description, site name, language, canonical, preview image, fav…
domain_lookupUse when an agent must check a domain: does it resolve, who hosts its DNS and mail, is email authenticated, how old is it, when does it expire. Input: domain (e.g. example.com; URLs accepted). Output: JSON DNS records (A, AAAA, CNAME, MX, NS, TXT, CAA, SOA), mail provider, parse…
fx_ratesUse when you need an official daily FX rate or currency conversion (USD, EUR, KRW, JPY, CNY, GBP + 24 more). Input: base (default EUR), optional symbols (comma list), date (YYYY-MM-DD, last ~90 days; weekends use the prior fixing), amount. Output: JSON rates for the fixing date,…
fx_convertUse when you need to convert an amount between currencies (USD↔KRW, EUR→JPY, ...) at the official ECB reference rate, today or on a past date. Input: from, to (1–10 comma-separated), amount (default 1), optional date (YYYY-MM-DD since 1999-01-04; weekends use the prior fixing).…
fx_historyUse when you need a historical exchange-rate series or a period summary (e.g. USD/KRW over the last quarter). Input: symbols (1–10), base (default EUR), start and end (YYYY-MM-DD since 1999-01-04; default last 30 days; max 366 days). Output: JSON daily series of ECB fixings, and…
time_convertUse when scheduling across time zones or turning a local time into UTC without guessing DST. Input: to (IANA zones or KST, PST, CET...), optional from (zone of a local time, default UTC), time (ISO 8601, Unix seconds, or now). Output: JSON UTC instant, Unix time, and per zone: l…
time_overlapUse when scheduling a meeting across time zones. Input: zones (2-10, IANA or KST/PST/CET), date, work_start/work_end (default 09:00-18:00), include_weekends. Output: JSON overlap windows in UTC and every zone's local time, top 3 one-hour slots ranked by distance from each zone's…
time_business_daysUse when computing due dates, SLAs, settlement or delivery dates. Input: start date, then days (add -260..260 business days) or end (count business days between), optional country KR, US, GB, DE, FR or JP for public holidays (omit = weekends only). Output: JSON result date or bu…
site_profileUse when an agent must vet or research a website in one call (lead research, security or SEO check, is this site legit). Input: url or bare domain. Output: JSON page metadata, HTTP status, HTTPS and HTTP-to-HTTPS redirect, server and hosting hints, 7 security headers, robots.txt…
web_checkUse when an agent must know if a URL is up before linking, scraping or alerting. Input: url or bare domain (https:// assumed). Output: up (final status below 400), HTTP status, final URL, redirect chain, HTTPS and http-to-https upgrade, response time in ms, content type, server.…
watch_createUse when an agent needs to be told when something changes without polling. Input: type (price, balance, stablecoin_transfer, filing, sanctions, web_status), its target and condition, days 7-30, optional https webhook. Output: id, one-time secret, poll URL. Checked every 5-60 min…
agent_inboxUse when an agent must receive a verification email (sign-up, login code, magic link) without a mailbox. Input: none. Output: address @inbox.1gateway.dev, id, one-time secret, read URL. Reads are free (header x-inbox-secret): sender, subject, text, with verification codes and co…
base_gasUse when an agent must price, time or route a transaction. Input: optional chain (base default, ethereum, arbitrum, monad, all). Output: JSON base fee, priority tiers (last 20 blocks), suggested maxFeePerGas, block fullness, typical cost of transfer, approve, DEX swap, mint, dep…
onchain_ensUse when an agent must send funds to an ENS name or label a wallet. Input: name (e.g. ens.eth, ENSIP-15 normalized) or address. Output: JSON resolve: address, resolver, avatar/url/description/twitter/github records, contenthash (name+address: matchesExpected); reverse: primary n…
defi_yieldsUse when an agent must compare DeFi lending rates. Input: chain (base, ethereum, arbitrum), optional protocol (aave-v3, compound-v3, morpho, moonwell) and asset (USDC, USDT, WETH, WBTC, cbBTC, wstETH…). Output: JSON per market supply/borrow APY, utilization, supplied/borrowed, T…
defi_stakingUse when an agent compares ETH liquid staking tokens or checks one for a depeg. Input: optional token (wstETH, cbETH, rETH, weETH; comma list). Output: JSON per token exchange rate now, 7 and 30 days ago, apr7dPct and apr30dPct from rate growth, DEX market price in ETH and premi…
defi_healthUse when an agent must check if a wallet's loans are near liquidation. Input: address, optional chain (base, ethereum, arbitrum, all). Output: JSON per chain Aave v3 collateral, debt, borrowing power, LTV, health factor and liquidation distance %; Compound v3 supplied/borrowed b…
weather_globalUse when an agent needs the weather anywhere in the world. Input: lat and lon, or city (Paris or Paris,FR), optional hours (0-72, default 24), tz (IANA zone, default UTC or the city's). Output: JSON current temperature, symbol, wind, humidity, cloud, pressure; hourly series; dai…
package_vulnerabilitiesUse when an agent must check a dependency before installing or upgrading: is this exact package version vulnerable? Input: package, ecosystem (npm, PyPI, Go, Maven, crates.io, NuGet, RubyGems, Packagist...), version. Output: JSON vulnerable yes/no, counts by severity, advisories…
package_vulnerabilities_batchUse when an agent must scan a project's dependencies before install, upgrade or merge. Input: packages, up to 20 ecosystem:name@version, comma-separated (npm, pypi, go, cargo/crates.io, maven, nuget...). Output: JSON summary (vulnerable count, critical/high/moderate/low), per pa…
dev_packageUse when an agent must decide whether to add or keep a dependency. Input: package, ecosystem (npm, PyPI, crates.io), optional version (default latest). Output: JSON flags (deprecated, yanked, outdated, vulnerable, no_license, no_release_2y), latest version, license, publish date…
sanctions_screenUse when an agent must check a person, company, vessel or aircraft against the U.S. Treasury OFAC SDN list before paying, onboarding or shipping. Input: name (fuzzy, aliases included), optional type, min_score, limit. Output: JSON potential matches with score, SDN entry, program…
kyb_checkUse when an agent must vet a company or counterparty before paying, onboarding or invoicing. Input: name, optional country (ISO2), lei, vat (EU, with prefix). Output: JSON summary (sanctions hits, LEI found/status, VAT valid), sanctions matches across OFAC SDN, EU and UK lists,…
stablecoin_freezesUse when an agent needs recent issuer freezes of USDC, EURC (Ethereum, Base) and USDT (Ethereum), or whether an address is frozen now. Input: optional address, days (1-7, default 1), chain (all, ethereum, base), token. Output: JSON events (token, chain, freeze/unfreeze/destroy_f…
sanctions_addressUse when an agent must check a crypto wallet against the digital currency addresses on the U.S. Treasury OFAC SDN list before paying or accepting funds. Input: address (EVM matched on every EVM chain; BTC, TRX, SOL...), optional chain. Output: JSON listed yes/no, SDN entry, prog…
sanctions_address_batchUse when an agent must screen many wallets at once (payouts, counterparty lists) against OFAC SDN wallet addresses. Input: addresses (1-50, comma-separated, mixed chains) or POST JSON {addresses:[...]}. Output: per address listed yes/no, detected chains, SDN entity, programs; su…
sanctions_txUse when an agent must check a transaction before accepting or relaying funds: screens its direct parties (sender, recipient, contracts, token Transfer parties on Base; accounts and token owners on Solana) against OFAC SDN wallet addresses. Input: tx, network (eip155:8453 defaul…
sec_filingsUse when an agent needs a U.S. company's SEC filings, key financials or the latest 8-K events. Input: ticker or cik, optional form, since, limit, items (8-K codes), mode (filings, events, financials). Output: company profile plus filings with sec.gov links; events = newest 8-Ks…
sec_13f_holdingsUse when an agent must see what an institutional manager (Berkshire, hedge funds, banks) holds and what it bought or sold. Input: cik (or ticker), optional period (quarter end), limit. Output: JSON manager, filing, total value, top holdings with value, shares, put/call and portf…
us_regsUse when an agent must track new U.S. rules, proposed rules, agency notices and fresh SEC disclosures. Input: optional q (topic), agency (Federal Register slug), doc_type, form (8-K, 13F-HR, NPORT-P...), source, days, limit. Output: JSON Federal Register documents (type, agencie…
web_searchUse when an agent needs current web results for a query. Input: q, optional max (1-10, default 5), time_range (day, week, month, year). Output: JSON results with title, URL and date when known, provider and retrieval time. For page text use /v1/web/search-read. Provider failure…
web_search_readUse when an agent needs to search and read in one call. Input: q, optional max (1-10, default 5), time_range (day, week, month, year). Output: JSON results (title, URL, date) and, for the top 3, the page converted to Markdown (up to 4,000 characters each; a page that fails is ma…
web_answerUse when an agent needs a sourced answer to a question from the live web in one call. Input: q (question), optional time_range (day, week, month, year). Output: JSON answer (English, inline [n] citations), citations [{url, title, quote}], confidence, notes, sources read. Searche…
ai_imageUse when an agent needs an image from a text prompt. Input: prompt (max 1000 chars), optional steps (1-8, default 4). Output: JSON with a 1024x1024 JPEG (base64), steps, model, safety verdicts. Prompt screened by blocklist + Llama Guard 3, image by a vision check; sexual, minor,…
ai_ttsUse when an agent needs spoken audio from short text (voice reply, narration, accessibility). Input: text (max 500 chars), lang (en, ko, ja, zh, es, fr; default en). Output: JSON with WAV audio (base64, mimeType given), voice, model, safety verdict. Fixed built-in voices, no voi…
ai_transcribeUse when an agent must turn audio into text (meetings, calls, voice notes). Input: POST a file (multipart 'file', raw body, JSON audioBase64) or url; mp3, wav, m4a, ogg, webm, flac, max 25 MB / 10 min. Output: text, language, timestamped segments, word count, duration; summary=t…
ai_translateUse when an agent must translate text (replies, documents, transcripts). Input: text (max 1500 chars, GET or POST JSON), target language code, optional source (auto-detected for Korean, Japanese, Chinese, Cyrillic, Arabic, Hindi, Thai; Latin script defaults to English). Output:…
ai_visionUse when an agent must understand a picture (screenshot, product photo, chart, scene). Input: url of a png, jpeg, webp or gif (max 5 MB), optional question (max 1000 chars), optional json=true for fields (objects, text, people count, colors...). Output: answer or fields, image i…
ai_embedUse when an agent needs vectors for search, RAG, clustering or dedup. Input: text (GET) or POST JSON {texts:[...]} with up to 32 strings of max 2000 chars each. Output: model, dims (1024), embeddings with index and vector; compare with cosine similarity. Multilingual (100+ langu…
knowledge_wikiUse when an agent needs a quick, cited fact sheet on a place, organization, thing or concept. Input: q (topic or title), optional lang (Wikipedia code, default en). Output: JSON title, description, extract, coordinates, thumbnail, page URL, Wikidata facts (instance of, inception…
clinical_trialsUse when an agent researches drugs, diseases or biotech sponsors, or watches trial readouts. Input: condition, intervention (drug), sponsor or q (one or more), optional status, phase, limit, mode=catalysts with days (primary completion within N days, default 90). Output: JSON st…
news_briefUse when an agent needs what is happening on a topic right now, in English, including Korean and Asian news. Input: topic, optional time_range (day, week default, month, year), max (1-10 headlines, default 10). Output: JSON overview, clusters [{headline, summary, sources}] with…
web_extractUse when an agent needs specific fields from a web page as JSON. Input: url, schema (URL-encoded JSON Schema, object root, max 30 properties, depth 3, 3,000 chars). Output: JSON data validated against the schema (null when not on the page), title, finalUrl. SSRF-safe; noai pages…
web_auditUse when an agent must grade a website and say what to fix. Input: url or bare domain. Output: JSON score 0-100, grade A-F, per-category scores (security, https, seo, mail, ai), findings [{id, severity, category, title, fix}] and top fixes. Rule-based from one live fetch plus DN…
kr_policy_latestUse when an agent tracks South Korean government policy, regulation or draft legislation in English. Input: optional q (keyword, Korean or English), date (YYYY-MM-DD KST), limit (1-20, default 5). Output: JSON items with Korean title, official link, published time and English br…
web_readUse when an agent already has a URL and needs the page as clean Markdown (boilerplate removed, tables kept). Input: url (https:// optional), optional max_chars (500-60000), flags=1 for prompt-injection signals; GET query or POST JSON {url, max_chars, flags}. Output: JSON markdow…
web_read_briefUse when an agent needs a page in any language (Korean, Japanese, etc.) read and briefed in English. Input: url, optional max_chars, flags=1. Output: JSON markdown, title, plus brief {headline, summary, key_points, entities, topics, source_language, content_type}; fixed schema,…
ai_prompt_injectionUse when an agent must screen untrusted text (web page, email, tool output, RAG chunk) before an LLM reads it. Input: text (up to 20,000 chars, POST JSON or GET) or url. Output: JSON probability 0-1, verdict (clean/suspicious/injection), attackTypes, spans with offsets, sanitize…
web_read_batchUse when an agent has several URLs (search results, citations) and needs them all as Markdown at once. Input: urls (1-5 public URLs separated by spaces), optional max_chars per URL (500-20000), flags=1. Output: JSON results[] in input order, each status ok (markdown, title, fina…
render_pdfUse when an agent must hand over a document as a PDF (report, invoice, summary, receipt). Input: GET ?url= for a public page, or POST JSON {html | markdown | url, format A4|Letter, landscape, margin_mm}. Markdown gets a clean stylesheet with Korean fonts. Output: JSON fileBase64…
render_pngUse when an agent must turn its own HTML or Markdown into an image (social card, chart, table snapshot, preview) or capture a page as PNG. Input: GET ?url=, or POST JSON {html | markdown | url, width 320-1920, full_page}. Korean fonts included. Output: JSON fileBase64 (decode to…
convert_ocrUse when an agent must read text from a scan, photo or screenshot: scanned PDFs (embedded page images) or PNG/JPEG/WebP up to 5 MB, Korean and English, tables kept as Markdown. Up to 3 pages per call. Input: url via GET, or POST a file (multipart 'file', raw body, or JSON conten…
x402_verifyUse when an agent or seller must confirm a payment before delivering: checks a Base, Base Sepolia or Solana transaction for a USDC transfer to pay_to of at least amount. Input: tx (hash or signature), pay_to, network (default eip155:8453), optional amount in USDC. Output: JSON p…
web_screenshotUse when an agent must see how a page looks (layout, charts, visual QA, previews), not just its text. Input: url, width (320-1920, default 1280), full_page=1 for the whole page, format png or jpeg (default). Output: JSON imageBase64 (decode to the image), contentType, bytes, vie…
email_checkUse when an agent is about to email or sign up a contact. Input: email. Output: JSON verdict (deliverable, risky, undeliverable) with reasons, MX hosts, null MX, SPF and DMARC policy, disposable domain, role account, free provider. No SMTP probe, so the mailbox itself is not ver…
docs_extractUse when an agent needs the key facts of a document, not just its text: Korean HWP/HWPX, PDF, DOCX or web page. Input: url via GET, or POST a file (multipart 'file', raw body, or JSON contentBase64+filename). Output: fixed-schema JSON title, title_en, document_type, date, org, a…
us_company_intelligenceUse when an agent researches a U.S. public company (due diligence, investing, competitors) and wants one sourced brief instead of many calls. Input: ticker or cik, optional news=false. Output: JSON profile, 3 fiscal years + latest quarter + balance sheet from SEC XBRL, YoY growt…
satellite_imageUse when an agent must see a place from above or check vegetation, water or change. Input: lat, lon, radius_m (200-10000), mode (true_color, false_color, ndvi, ndwi, moisture), date, days back, max_cloud. Picks the clearest Sentinel-2 scene by cloud share inside your area, not t…
Details
| Endpoint | https://1gateway.dev/mcp (Streamable HTTP) |
| First published | 12 Oct 2026 |
| Last updated | 12 Oct 2026 |
| Registry name | io.github.code0xff/1gateway |
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