Keryx
Any developer publishes a tool. Any AI agent pays to use it. Sub-cent USDC settles on Arc in under half a second. Keryx is the toll booth for the agent economy.
https://keryxhq.xyz/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://keryxhq.xyz/api/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 14, 2026 · keryxhq.xyz
20tools discovered
Solana.token Activity
Live trading data for a Solana token: top DEX pairs, 24h volume, buy/sell counts, liquidity, and market cap. (paid tool from Keryx, $0.0050 per call; MCP path is Keryx-sponsored)
Solana.launches
Freshly-boosted Solana token profiles from DexScreener with descriptions, links, and dex URLs. (paid tool from Keryx, $0.0030 per call; MCP path is Keryx-sponsored)
Solana.rug Check
Live risk assessment from rugcheck.xyz: numeric score, normalised score, LP lock percentage, and every flagged risk. (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Search.web
Factual search over Wikipedia. Returns page titles, short extracts, and URLs. Best for definitions, history, geography, notable facts, and established knowledge. NOT for prices, availability, bookings, current events, commercial recommendations, or live data. (paid tool from Keryx, $0.0040 per call; MCP path is Keryx-sponsored)
Crypto.trending
The most-searched coins on CoinGecko right now, with price, 24h change, market cap, and rank. (paid tool from Keryx, $0.0010 per call; MCP path is Keryx-sponsored)
Weather.current
Live current weather for any lat/lon. Worth paying for when the user needs up-to-the-minute conditions (travel today, outdoor plans, severe weather). Not needed for general city descriptions. (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Weather.forecast
Hourly + daily forecast for a location (up to 7 days). Worth it for concrete near-term travel or event planning. Not needed for generic 'Berlin has seasons' advice. (paid tool from Keryx, $0.0030 per call; MCP path is Keryx-sponsored)
Finance.exchange Rates
Live fiat + crypto exchange rates for any base currency (200+ currencies). Call when you need current rates for a specific conversion or comparison you will show the user. (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Finance.convert
Convert an amount from one currency to another using live rates. Only call when you are actually going to perform and display a specific conversion for the user. (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Geo.ip Lookup
Location, ISP, ASN, timezone and security flags for an IP (or caller's IP). Only useful when the user's actual location or network context materially affects the answer (e.g. local currency, nearby services, compliance). (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Dns.domain Whois
Registrar, creation/expiry dates, name servers and status for a domain name. (paid tool from Keryx, $0.0030 per call; MCP path is Keryx-sponsored)
Web.hacker News
Top stories from Hacker News: title, url, score, comments, time. (paid tool from Keryx, $0.0010 per call; MCP path is Keryx-sponsored)
Web.github Repo
Public repo metadata: stars, forks, description, language, license, last push. (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Crypto.price
Real-time price, market cap, 24h change for one or more coins (CoinGecko). (paid tool from Keryx, $0.0020 per call; MCP path is Keryx-sponsored)
Utility.qr
Generate a QR code image URL for any text (URL, text, wallet address, etc.). (paid tool from Keryx, $0.0010 per call; MCP path is Keryx-sponsored)
Demo.content Block
Example of a paid creator tool. Returns a monetized knowledge snippet. Onchain payTo is the external creator's Arc wallet (0x3AfD…B34E), not the Keryx treasury — click the tx hash on /live to verify. (paid tool from External Creator, $0.0040 per call; MCP path is Keryx-sponsored)
Geo.country
Basic country data: capital, population, currencies, languages, region. Mostly useful for structured lookup when building a specific comparison or form. General knowledge about Germany is usually sufficient. (paid tool from Keryx, $0.0010 per call; MCP path is Keryx-sponsored)
Time.current
Precise current time in unix seconds, ISO, and human formats. Call when the agent must not hallucinate the date or needs a fresh timestamp for logs, expiries, or time-based decisions. (paid tool from Keryx, $0.0005 per call; MCP path is Keryx-sponsored)
Utility.uuid
Generate a random UUID v4. Useful when an agent needs a unique identifier for plans, sessions, or objects it is creating. (paid tool from Keryx, $0.0005 per call; MCP path is Keryx-sponsored)
Crypto.btc Dominance
Live BTC and ETH dominance percentages plus total crypto market cap from CoinGecko. Worth calling when the agent needs a broad market regime signal before making allocation or timing decisions. (paid tool from Keryx, $0.0015 per call; MCP path is Keryx-sponsored)
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsAny developer publishes a tool. Any AI agent pays to use it. Sub-cent USDC settles on Arc in under half a second. Keryx is the toll booth for the agent economy.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
Operate Keryx? Verify ownership to take over this directory entry.
This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
MCPBundles probed 20 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.