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PopNx MCPMCP servers for people who use AI · explained in plain words

Crypto & Web Data API for Agents

by stoplusversion 1.1.0i★ –iRuns in the cloud
Registry nameio.github.stoplus/crypto-web-data-api

Install

Overview

Description from the maker (original English)

33 pay-per-call tools: web/news search, page to Markdown, company profiles, EVM & Solana data. x402.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs in the cloud
  • Transport: Streamable HTTP
  • Category: Search & AI memory

Install

Pick the AI app you use, then copy the settings.

Before you install

You need

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://api.agent-data.workers.dev/mcp

Run this in your terminal

claude mcp add --transport http crypto-web-data-api https://api.agent-data.workers.dev/mcp

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "crypto-web-data-api": {
      "url": "https://api.agent-data.workers.dev/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "crypto-web-data-api": {
      "type": "http",
      "url": "https://api.agent-data.workers.dev/mcp"
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://api.agent-data.workers.dev/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.

  • arbitrage

    BTC/USDT spread across Binance, Bybit, OKX, Kraken and Coinbase. Compares best bid/ask on every exchange that answers, picks the best buy/sell pair and estimates profit after taker fees. Cached 3 s. Price $0.010 per call (x402: USDC on Base or Solana).

  • candles

    OHLCV candles with RSI, SMA, ATR and trend. Binance spot candles plus indicators computed over the last 200 candles: RSI14, SMA20, SMA50, ATR14, volatility and a simple trend label. Cached 30 s. Price $0.010 per call (x402: USDC on Base or Solana).

  • company

    Company profile from a domain: name, description, socials, contacts, tech, age. Enriches a company or project domain in one call: name and description, logo, social profiles (X/Twitter, LinkedIn, GitHub, Telegram, Discord...), public emails and phones, address and founding date f

  • defi_yields

    Best DeFi yields (APY) by chain, token and TVL. Top DeFi pools from DefiLlama filtered by chain, token symbol, stablecoin-only and minimum TVL, sorted by APY, with base vs reward APY, 30-day mean, IL risk and TVL. Outliers removed. Cached 15 min. Price $0.010 per call (x402: USDC

  • domain

    Domain check: WHOIS/RDAP, DNS, SSL, age and phishing flags. Registrar, creation and expiry dates (RDAP), A/AAAA/MX/NS/TXT records, SPF and DMARC, the HTTPS certificate and simple risk flags such as a very young domain. Cached 1 h. Price $0.005 per call (x402: USDC on Base or Sola

  • email_check

    Email address check: syntax, MX, disposable, role, free provider. Validates the syntax, checks that the domain has mail servers (MX), and flags disposable domains (100k+ list), role accounts (info@, admin@) and free providers. No SMTP probing. Cached 1 h. Price $0.005 per call (x

  • ens

    ENS: resolve name.eth to an address or an address to its primary name. Forward (name -> address) and verified reverse (address -> primary .eth name) ENS resolution on Ethereum mainnet, plus profile text records: avatar, url, description, email, X/Twitter, GitHub, Telegram, Discor

  • evm_address

    Is this address a wallet or a contract? Nonce and native balance per chain. For one address on one or all EVM chains (Base, Ethereum, Arbitrum, BSC, Polygon, Optimism, Avalanche): wallet vs contract vs EIP-7702 delegated account, bytecode size, transaction count (nonce) and nativ

  • evm_balance

    EVM wallet balances on one or all chains. Native coin plus USDC, USDT, DAI and wrapped native balances of an address on Base, Ethereum, Arbitrum, BSC, Polygon, Optimism and Avalanche (chain=all checks every chain at once), with USD values. On a single chain you can add your own E

  • evm_call

    Read any smart contract function (eth_call) on Base, Ethereum and 5 more chains. Calls a view function by its signature, e.g. sig=balanceOf(address)&args=0x...&returns=uint256, on Base, Ethereum, Arbitrum, BSC, Polygon, Optimism or Avalanche. Arguments: address, bool, bytes32, ui

  • evm_token_balance

    Balance of one ERC-20 token for one wallet (cheapest balance check). Raw and human-readable balance of any ERC-20 token for a wallet on Base, Ethereum, Arbitrum, BSC, Polygon, Optimism or Avalanche, with the token symbol and decimals. Use to confirm a deposit or check funds befor

  • evm_token_risk

    Scam / honeypot check for an EVM token (Base, Ethereum, BSC, Arbitrum...). Honeypot and sell simulation, buy/sell tax, mintable, proxy, hidden owner, blacklist, pausable transfers, open source, holder concentration, LP lock and DEX liquidity, merged from GoPlus, honeypot.is and D

  • evm_tx

    EVM transaction status, fee and token transfers. Status (pending, success, failed), confirmations, block time, fee and decoded ERC-20 transfers of a transaction. Leave chain empty to search all supported chains. Use to verify a payment arrived. Cached 10 s. Price $0.003 per call

  • fetch

    Read a web page as clean Markdown. Fetches a public URL and returns the main content as Markdown without menus, scripts or ads, plus title, description, language and up to 50 links. HTML, plain text and JSON. Cached 5 min. Price $0.005 per call (x402: USDC on Base or Solana).

  • funding

    Perpetual funding rates on Binance, Bybit, OKX and Hyperliquid. Current funding rate, next funding time and open interest for a perpetual on up to four venues, normalised to 8 hours, plus the spread and the funding-arbitrage direction. Cached 30 s. Price $0.010 per call (x402: US

  • fx

    Currency conversion: fiat (ECB, NBU incl. UAH) and major crypto. Converts an amount between ~60 fiat currencies (ECB reference rates plus National Bank of Ukraine rates) and major cryptocurrencies (Binance, vs USDT). Cached 30 min for fiat, 5 s for crypto. Price $0.003 per call (

  • gas

    Ethereum and Solana network fees. Cached 15 s. Price $0.005 per call (x402: USDC on Base or Solana).

  • market_overview

    Crypto market overview: fear & greed, market cap, dominance, top movers. Fear & Greed index (today and yesterday), total market cap and volume, BTC and ETH dominance, 24h market cap change, and the top 5 gainers and losers among liquid Binance USDT pairs. Cached 2 min. Price $0.0

  • news

    Latest 5 CoinDesk headlines. Parsed from CoinDesk RSS. Cached 5 min. Price $0.005 per call (x402: USDC on Base or Solana).

  • news_search

    Search recent news on any topic, company or token. Latest news articles for a query (headline, source, link, publish time) from Google News with GDELT and Bing News as fallbacks. Filter by language, country and age (when=1h, 1d, 7d, 30d). Cached 5 min. Price $0.003 per call (x402

  • pdf

    Extract text from a PDF by URL. Downloads a public PDF (up to 15 MB) and returns its text page by page with title, author and page count. Scanned PDFs without a text layer return little text. Cached 1 h. Price $0.010 per call (x402: USDC on Base or Solana).

  • polymarket

    Polymarket prediction markets: odds, volume, liquidity. Active Polymarket markets matching a query (all words must appear in the question), or the most traded ones, with outcome probabilities, 24h volume, liquidity, 24h change and end date. Cached 60 s. Price $0.010 per call (x40

  • price

    Spot price of a Binance pair. Last price for a Binance spot symbol such as BTCUSDT, ETHUSDT, SOLUSDT. Cached up to 5 s. Price $0.005 per call (x402: USDC on Base or Solana).

  • prices

    Consensus prices for up to 20 coins from 5 exchanges. Binance, Bybit, OKX, Kraken (vs USDT) and Coinbase (vs USD) in one call, with the median and the max deviation between venues. Cached 5 s. Price $0.010 per call (x402: USDC on Base or Solana).

  • rss

    Any RSS or Atom feed as clean JSON. Fetches an RSS 2.0, RSS 1.0 or Atom feed and returns title, link, publish date and a plain-text summary for each item. For news and monitoring agents. Cached 5 min. Price $0.003 per call (x402: USDC on Base or Solana).

  • search

    Web search: top results with title, URL and snippet. Searches the public web and returns up to 20 organic results (title, URL, snippet, domain) without ads. Several engines with automatic fallback. Pair with /api/v1/fetch to read a result as Markdown. Cached 10 min. Price $0.005

  • token_price

    USD price, liquidity and volume of any Solana token by mint. Jupiter aggregated price plus the deepest DEX pool from DexScreener: liquidity, 24h volume, 24h change, FDV, pool age. Works for new and meme tokens. Cached 15-30 s. Price $0.005 per call (x402: USDC on Base or Solana).

  • token_report

    Full Solana token report in one call: risk + price + liquidity. Everything /token/risk and /token/price return, in one paid call: rug flags and risk level, mint/freeze authority, holders, USD price, deepest pool, liquidity, volume and FDV. Price $0.030 per call (x402: USDC on Bas

  • token_risk

    Rug / scam check for a Solana token. On-chain checks: mint authority (can print more), freeze authority (can freeze holders), Token-2022 extensions such as permanent delegate or transfer fees, top-10 holder share, plus DEX liquidity and pool age. Returns flags and an overall risk

  • tokens_trending

    Trending and newly promoted tokens with price, volume and liquidity. Tokens currently promoted or newly listed on DexScreener (Solana, Base, Ethereum, BSC...), enriched with price, 1h/24h change, volume, liquidity, FDV, pool age and links, sorted by 24h volume. Cached 60 s. Price

  • wallet

    Solana wallet portfolio with USD values. SOL and every SPL / Token-2022 balance of a wallet, priced via Jupiter, sorted by USD value (top 50). Cached 15 s. Price $0.020 per call (x402: USDC on Base or Solana).

  • wikipedia

    Wikipedia summary or full article text in any language. Finds the best matching Wikipedia article for a query and returns title, short description, summary, URL and thumbnail; full=true adds the plain-text article. Cached 1 h. Price $0.003 per call (x402: USDC on Base or Solana).

  • youtube_transcript

    YouTube video transcript as text. Subtitles of a YouTube video (manual or auto-generated) as plain text, optionally with timestamps, plus title and channel. Picks the requested language or the best available. Cached 6 h. Price $0.010 per call (x402: USDC on Base or Solana).

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

  • ! Caution

    Maker matches the repo

    The publisher (stoplus) is not the repo owner (stoplus); someone else may have listed it

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 285 ms (HTTP 200)

  • – Not applicable

    Sign-in with OAuth

    No sign-in needed

  • ✓ Pass

    No hidden instructions in tool descriptions

    Read 33 tool descriptions and found no hidden instructions to the AI

Compared with others in Search & AI memoryi

  • More stars than 0% of the other 7226 servers in this category
  • Published to the registry more recently than 97% of the other 7226 servers in this category
  • Basic checks equal to or better than 40% of the other 7226 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Crypto & Web Data API for Agents safe?

It passed 2 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.1.0) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

by upstash

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

Computer or cloud★ 64,224MITUpdated 3 days ago
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Codebase Memory

by DeusData

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

Runs on your computer★ 48,148MITUpdated 20 days ago
Install

Exa

by exa-labs

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Runs in the cloud★ 5,213MITUpdated 44 days ago
Install

README from the maker

No README found in the repo

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