MCP server

1gateway

io.github.code0xff/1gateway

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Pay-per-call tools for agents via x402 (USDC on Base): Korean data, doc-to-Markdown, web utilities.

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

47

Token cost

About 13,412 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http 1gateway https://1gateway.dev/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.1gateway]
url = "https://1gateway.dev/mcp"

Gemini CLI

{"mcpServers":{"1gateway":{"httpUrl":"https://1gateway.dev/mcp"}}}

Cursor

{"mcpServers":{"1gateway":{"url":"https://1gateway.dev/mcp"}}}

VS Code

{"servers":{"1gateway":{"type":"http","url":"https://1gateway.dev/mcp"}}}

Antigravity

agy mcp add 1gateway https://1gateway.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"1gateway","server_url":"https://1gateway.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"1gateway","server_url":"https://1gateway.dev/mcp"}

Tools

• base_gas ~162 tokens
  Use when an agent must price or time a Base transaction. Input: none. Output: JSON current and next base fee, priority fee tiers (slow/standard/fast from the last 20 blocks), suggested maxFeePerGas, block fullness, and typical cost of an ETH transfer, ERC-20 transfer/approve, DEX swap, NFT mint and
• base_sepolia_eth ~248 tokens
  Use when an agent, x402 test or CI job needs Base Sepolia gas now: one x402 call, no faucet login or mainnet history. Input: to (recipient address); sends 0.1 ETH (1 ETH: /v1/testnet/base-sepolia-eth/1). Output: JSON txHash (confirmed before settling), explorerUrl, amountEth, from, to. Daily limits
• base_sepolia_eth_1 ~249 tokens
  Use when contract deploys, x402 tests or CI jobs need more Base Sepolia gas than a faucet gives: one x402 call, no faucet login or mainnet history. Input: to (recipient address); sends 1 Base Sepolia ETH. Output: JSON txHash (confirmed before settling), explorerUrl, amountEth, from, to. Daily limits
• base_token_flows ~287 tokens
  Use when an agent must see who is accumulating or dumping a Base ERC-20 right now. Input: token address, minutes (1-60, default 60), limit (1-25). Output: JSON top net buyers and sellers (net, received, sent, contract or EOA), largest transfers with tx hash, volume, mints/burns, active wallets, cove
• base_token_info ~326 tokens
  Use when an agent needs an ERC-20's basics on Base before quoting, transferring or approving it. Input: address (token contract); optional holder (adds balance and share of supply) and spender (adds allowance, flags unlimited approvals). Output: JSON block+time, name, symbol, decimals, totalSupply r
• base_token_risk ~258 tokens
  Base ERC-20 token risk scan: honeypot check, rug pull check, token safety / scam check. Use when vetting a token. Input: address. Output: JSON risk signals w/ block+evidence: honeypot test (buy/sell simulation, taxes), rug-pull signals (owner, mint/pause/blacklist/fee fns, proxy+admin, owner-held su
• base_tx ~232 tokens
  Use when an agent must confirm a Base transaction or payment landed: did it succeed, who paid whom, how much of which token. Input: hash. Output: JSON status (success/reverted), block+time, confirmations, from, to, ETH value, fee (L2 gas + L1 data fee), decoded ERC-20 transfers with symbol and decim
• base_wallet_balances ~306 tokens
  Use when an agent needs what a Base address holds in one call instead of one RPC call per token. Input: address; optional tokens (up to 20 ERC-20 addresses, comma-separated; default USDC, EURC, USDbC, WETH, cbBTC, cbETH, wstETH). Output: JSON block+time, ETH balance, per-token symbol, decimals, raw
• convert_to_markdown ~317 tokens
  Use when an agent must read a document as clean Markdown: web page, PDF, DOCX or Korean HWP/HWPX, tables kept. Input: url (http/https) via GET, or POST a file (multipart 'file', raw body, or JSON contentBase64+filename). Free-plan size cap → 413 before payment: HWP 48 KB, HWPX 100 KB XML. Output: JS
• domain_lookup ~245 tokens
  Use 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, parsed SPF and DMARC, DNS
• fx_rates ~348 tokens
  Use 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, % change vs prior fi
• hl_funding_screener ~397 tokens
  Perpetual futures funding rate screener over all Hyperliquid perps, ranked by funding, open interest, volume, basis or Binance/Bybit spread. Use when hunting funding extremes or carry trades. Input: optional sort, order, limit (1-50), min_oi_usd, min_volume_usd, funding (positive/negative), min_abs_
• hl_perp_metrics ~252 tokens
  Hyperliquid vs Binance vs Bybit predicted funding comparison for one perpetual futures market, plus current funding rate, open interest and basis. Use when an agent monitors a perp position or funding carry. Input: coin (e.g. BTC, ETH, kPEPE). Output: JSON as_of, cache_age_s, 1h + annualized funding
• kr_apartment_trades ~288 tokens
  Use 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: JSON trades with co
• kr_apartment_trades_summary ~261 tokens
  Use 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 price and price per m2 an
• kr_bok_ecos_series ~364 tokens
  Use 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 labels, units, observ
• kr_business_status ~245 tokens
  Use 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, closed, unregistered), VA
• kr_company_procurement ~411 tokens
  Use 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, limit, offset. Outpu
• kr_company_profile ~221 tokens
  Use 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, homepage, KONEPS supplier
• kr_company_resolve ~296 tokens
  Use 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. Output: JSON companies w
• kr_public_holidays ~209 tokens
  Use 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. Input: year (YYYY, 20
• kr_trade_exports_10day Moves money · ~264 tokens
  Use 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 %, latest 10-day increment,
• kr_trade_hs Moves money · ~309 tokens
  Use 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, balance, total). Outpu
• kr_trade_pulse Moves money · ~184 tokens
  Use 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 average YoY, momentum),
• kr_weather_forecast ~263 tokens
  Use 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-hourly temperature C, sky,
• kyb_check ~319 tokens
  Use 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, GLEIF entity record w
• llm_model_prices ~623 tokens
  Use when an agent must price an LLM call or pick the cheapest model. Input: model (up to 5, comma list) plus optional input_tokens, output_tokens, requests; or no model plus mode, provider, min_context, capabilities (vision, function_calling...). Output: JSON USD per 1M input/output tokens, cached/b
• onchain_prices ~237 tokens
  Use when an agent needs a token's USD price without a third-party price feed. Input: tokens (up to 10, base:0x… or sol:<mint>). Output: per token priceUsd, confidence, the pool used (Uniswap v3 / Aerodrome on Base, Orca Whirlpool on Solana; fee tier, depth in USD), path (direct USDC or via WETH/SOL)
• package_vulnerabilities ~288 tokens
  Use 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 (GHSA/CVE id, summar
• sanctions_address ~269 tokens
  Use 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, programs, listed currency
• sanctions_screen ~323 tokens
  Use 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, programs, countries, aliases
• satellite_image ~448 tokens
  Use 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 the whole tile. Output
• sec_filings ~324 tokens
  Use when an agent needs a U.S. public company's SEC filings: latest 10-K/10-Q, 8-K events, proxies, S-1s. Input: ticker or cik, optional form (comma list, e.g. 10-K,8-K), since (YYYY-MM-DD), limit. Output: JSON company profile (CIK, name, industry, exchange, fiscal year end) and filings with dates,
• sepolia_eth ~249 tokens
  Use when an agent, test suite or CI job needs Sepolia gas now: one x402 call, no faucet login or mainnet history. Input: to (recipient address); sends 0.1 SepETH (1 SepETH: /v1/testnet/sepolia-eth/1). Output: JSON txHash (confirmed before settling), explorerUrl, amountEth, from, to. Daily limits (UT
• sepolia_eth_1 ~247 tokens
  Use when a contract deploy, test suite or CI job needs more Sepolia gas than a faucet gives: one x402 call, no faucet login or mainnet history. Input: to (recipient address); sends 1 SepETH. Output: JSON txHash (confirmed before settling), explorerUrl, amountEth, from, to. Daily limits (UTC): 5 SepE
• site_profile ~227 tokens
  Use 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 (sitemaps, AI-crawle
• sol_token_info ~238 tokens
  Use when an agent needs a Solana token's basics before quoting, transferring or accepting it. Input: mint. Output: JSON slot, program (spl-token or token-2022), decimals, supply raw and decimal, mint and freeze authority, Token-2022 extensions (transfer fee, permanent delegate, transfer hook, defaul
• sol_token_risk ~238 tokens
  Use when an agent is about to buy, accept or list a Solana token. Input: mint. Output: JSON riskLevel and rule-based signals with evidence (mint or freeze authority not renounced, permanent delegate, transfer hook, transfer fee, default-frozen accounts, mutable metadata), top-10 holder concentration
• sol_tx ~242 tokens
  Use when an agent must confirm a Solana payment or transaction landed: did it succeed, who paid whom, how much of which token. Input: signature. Output: JSON status (success/failed), slot, block time, confirmation status, fee payer, signers, fee, programs, SOL and token balance changes per account (
• sol_wallet_balances ~215 tokens
  Use when an agent needs what a Solana address holds in one call. Input: address. Output: JSON slot, SOL balance, every non-zero token (mint, token account, program, decimals, raw and decimal balance, frozen flag; first 50), counts of token and empty accounts. Chain state only, no prices. Bad input:
• time_convert ~310 tokens
  Use 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: local ISO time with of
• us_company_intelligence ~266 tokens
  Use 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 growth, rule-based risk si
• weather_global ~295 tokens
  Use when an agent needs the weather anywhere in the world. Input: lat, lon, optional hours (0-72 hourly steps, default 24), tz (IANA zone for daily summaries, default UTC). Output: JSON current temperature, symbol, wind, humidity, cloud, pressure; hourly series; daily min/max, precipitation, max win
• web_metadata ~228 tokens
  Use 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, favicon, Open Graph and
• web_search ~227 tokens
  Use 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 is not charged. Examp
• web_search_read ~241 tokens
  Use 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 marked, the rest still
• x402_api_recommend ~416 tokens
  Use when an agent must pick a paid x402 API for a task. Input: q (task in plain words or keywords), optional max_price (USD), network (base, solana or CAIP-2), limit (1-20). Output: JSON ranked endpoints: resource URL, method, description, price, networks, seller, 30-day payers and calls (Bazaar), s

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