原型 · 预览版:收录官方注册中心里的全部服务器,每 30 分钟同步一次。评价和账户功能将在后续阶段推出。
PopNx MCP为使用 AI 的人准备的 MCP 服务器 · 用大白话讲清楚

call402 — x402 Agent Services

作者:lgs1520版本 1.0.0i★ –i在云端运行
注册名称io.github.lgs1520/call402

安装

概览

作者提供的说明(英文原文)

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

PopNx MCP 的三大支柱

这三项永远不会合并成一个分数:意见、测量和人气是不同的东西。

它能帮你做什么

我们还没有为它写通俗的介绍。下面是我们从注册中心读取到的事实。

  • 连接方式: 在云端运行
  • 传输方式: Streamable HTTP
  • 分类: 搜索与 AI 记忆

安装

选择你使用的 AI 应用,然后复制设置。

安装之前

你需要

你用的是哪个应用?

在上方选择你的应用。我们会记住它,下次按钮会显示“安装到 …”。

适用于网页版、桌面版和手机版 Claude:

  1. 打开 Settings → Connectors
  2. 点击 Add custom connector
  3. 粘贴下面的地址,然后点击 Add
  4. 如果要求登录,请登录作者的服务
SettingsConnectors1+ Add2https://…3
https://call402.com/mcp

在终端中运行这条命令

claude mcp add --transport http call402 https://call402.com/mcp

在 Cursor 中打开

或者自己复制设置

粘贴到项目中的 .cursor/mcp.json,或 ~/.cursor/mcp.json

{
  "mcpServers": {
    "call402": {
      "url": "https://call402.com/mcp"
    }
  }
}

浏览器会先询问是否打开应用,然后应用会显示设置并请你确认。密钥的值会留空,由你自己填写。

在 VS Code 中打开

或者自己复制设置

粘贴到项目中的 .vscode/mcp.json

{
  "servers": {
    "call402": {
      "type": "http",
      "url": "https://call402.com/mcp"
    }
  }
}

浏览器会先询问是否打开应用,然后应用会显示设置并请你确认。密钥的值会留空,由你自己填写。

ChatGPT 只能连接互联网上的服务器:

  1. 打开网页版 ChatGPT → Settings → Connectors (Apps)
  2. 点击 Create 或 Add(部分套餐需要先在 Advanced 中开启 Developer mode)
  3. 粘贴下面的地址,起个名字,然后保存
  4. 如果要求登录,请登录作者的服务
SettingsConnectors1+ Create2https://…3
https://call402.com/mcp

菜单名称可能因套餐和版本不同而略有差异。

你的选择通过 Cookie 保存在这台设备上,无需账户。

这些设置是根据作者在注册中心的条目生成的。如果 README 的写法不同,请以 README 为准。

它能做什么

工具名称和描述与服务器在 2026年11月7日 报告的完全一致。这些内容由作者撰写,不是我们写的;我们以纯文本形式显示。

  • text-to-structure

    Turn unstructured text into strict, machine-readable JSON for agent pipelines: a deterministic, reproducible alternative to an LLM extraction call. Extracts emails, URLs, EVM wallet addresses, transaction hashes, ISO-normalized dates, money amounts, percentages, phone numbers and

  • agent-jobs

    Read-only aggregated listings from Superteam, Verdikta, poidh, and Agent Bounties, plus recent awarded bounties from public Verdikta and poidh data. Returns cached jobs, freshness status, and a source disclaimer.

  • web-search

    Live web search for AI agents, powered by Exa: send a natural-language query and get ranked results with titles, URLs, publish dates and text highlights, ready to cite, summarize or read further. For research, fact-checking, news and docs lookups, price and competitor checks insi

  • web-extract

    Fetch any public web page and extract its readable content as clean, LLM-ready markdown: articles, documentation, blog posts, product pages and PDFs, with navigation and boilerplate stripped for RAG ingestion, summarization, research and page monitoring inside agent workflows. Se

  • web-answer

    Ask a question in natural language and get a direct, synthesized answer with citations, powered by Exa: no result list to sift through, the answer plus its sources in one call. For fact lookups, research questions, market and competitor questions inside agent workflows where the

  • search-brave

    Live web search for AI agents, powered by Brave Search: send a natural-language query and get ranked results with titles, URLs, descriptions and result age from Brave's independent web index, ready to cite, summarize or read further. For research, fact-checking, news and docs loo

  • search-tavily

    Live web search for AI agents, powered by Tavily: send a natural-language query and get ranked results with titles, URLs, content snippets and relevance scores, built for research agents, fact-checking and RAG pipelines inside agent workflows. Search depth is fixed to basic serve

  • image-generate

    Text-to-image generation for AI agents, powered by fal.ai (Flux Schnell): send a prompt and get a generated image URL in seconds, for thumbnails, illustrations, mockups and visual assets inside agent workflows. The model is fixed server-side to fal-ai/flux/schnell so the per-call

  • fx-rates

    Live foreign-exchange reference rates from the European Central Bank (ECB), updated every business day. Convert between 30+ currencies (USD, EUR, GBP, JPY, CNY and more) with a single call: pass base and symbols, get mid-market reference rates as clean JSON. Rates are the ECB dai

  • email-verify

    Email address validation for signup screening, lead cleanup and form verification: syntax check, disposable/temporary-domain detection and a live MX-record lookup for the domain. Returns a deliverability verdict (likely_deliverable, risky, undeliverable, invalid_format) with the

  • phone-lookup

    Parse a phone number locally against the numbering plan using libphonenumber metadata. Returns format and number-plan validity only; current network assignment and subscriber status are not queried. data_source = "numbering plan (libphonenumber)".

  • wallet-lookup

    Look up a Base wallet address: native ETH plus balances for a curated list of 513 tokens, read directly from Base chain state via public RPC with a self-hosted reader (no third-party data API). The response includes a coverage field: tokens outside the list with no transfers in t

  • wallet-lookup-pro

    Multi-chain EVM wallet portfolio lookup: native coin plus curated token balances with best-effort USD valuation for one address across Base, Ethereum and BSC, read live from public RPC with prices from DexScreener. Optional chains parameter selects a subset (default: all three).

  • token-safety

    ERC-20 token safety check for one contract address on Base, Ethereum or BSC: honeypot and buy/sell tax simulation (honeypot.is), liquidity and pair age (DexScreener), and direct on-chain reads (name, symbol, decimals, total supply, owner), combined into risk flags and a four-grad

  • rh-stock-spreads

    Latest Robinhood Chain (chainId 4663) stock-token spread snapshot for 12 tokenized US stocks and ETFs (NVDA, TSLA, AAPL, MSFT, AMZN, META, GOOGL, AMD, COIN, PLTR, SPY, QQQ): on-chain Uniswap v3 pool price with a v4 cross-check price, pool liquidity in USD, and the percentage spre

  • rh-stock-spread-history

    Time series of Robinhood Chain (chainId 4663) stock-token spreads for one symbol: 5-minute samples of the on-chain pool price (v3, with v4 cross-check), pool liquidity in USD, and the percentage spread versus the US-listed reference quote. Derived fields only; the reference quote

  • fear-greed-index

    Crypto Fear & Greed Index by alternative.me: current value (0-100) and classification (Extreme Fear, Fear, Neutral, Greed, Extreme Greed) plus optional daily history. The most-cited single market-sentiment gauge for crypto trading agents: position sizing, risk checks and regime d

  • text-extract

    Extract the readable main content of any public web page as clean text: send a URL, get the page title, excerpt and body text with navigation, ads and boilerplate stripped (Mozilla Readability, computed on our own servers). For RAG ingestion, summarization, research and page moni

  • ssl-check

    TLS/SSL certificate check for any public host: issuer, subject, SAN list, validity window, days until expiry, SHA-256 fingerprint and whether the certificate chain verified. Computed by a direct TLS handshake from our own servers. For uptime and security monitoring agents, vendor

  • domain-lookup

    Domain one-stop lookup: live DNS records (A, AAAA, CNAME, MX, NS, TXT via DNS-over-HTTPS) plus RDAP registration data (registrar, creation and expiry dates, status, nameservers) assembled from public protocol endpoints on our servers. For domain due diligence, phishing-site check

  • qr-code

    Generate a QR code image for any text, URL or payment address: returns SVG markup or a base64-encoded PNG rendered on our own servers (qrcode library, MIT). For agents that produce scannable payment requests, links, addresses or tickets but cannot render images themselves.

  • sec-company-facts

    Summarize a US public company's latest SEC-reported Revenue, NetIncomeLoss and Assets from official EDGAR companyfacts. Look up by ticker, CIK or company name; returns filing dates and fiscal periods. Uses SEC public-domain data with a declared User-Agent.

  • language-detect

    Detect the most likely language of text entirely on this server, with ISO 639-1 language code, language name, confidence and alternatives. Supports English, Chinese, Japanese, Korean, Spanish, French, German, Russian, Portuguese and Italian; no upstream request.

  • timestamp-convert

    Convert Unix seconds, Unix milliseconds or an ISO date to UTC and Asia/Shanghai timestamps. An empty object returns the current time.

  • hash-tools

    Run local cryptographic utilities: SHA-256 and SHA-512 hashes, Base64 encode/decode, or a random UUID v4. No upstream service is called.

  • dex-quote

    Self-computed long-tail EVM token quotes from public on-chain DEX pools on Base, BNB Smart Chain and Ethereum. Discovers Uniswap V2/V3 and PancakeSwap pools with eth_call; majors are excluded. V3 depth is estimated. Informational only.

基础检查i

我们检查的是任何人都能看到的信息;我们没有阅读代码。不适用的检查项不计入总数。 · 检查于 2026年11月7日

  • ! 注意

    作者与仓库一致

    发布者(lgs1520)不是仓库所有者(lgs1520);可能是其他人代为上架的

  • … 尚未检查

    仍在维护

    我们还没有从 GitHub 读取这个仓库

  • … 尚未检查

    有许可证

    我们还没有从 GitHub 读取这个仓库

  • ✓ 通过

    端点有响应

    在 475 毫秒内响应(HTTP 200)

  • – 不适用

    使用 OAuth 登录

    无需登录

  • ✓ 通过

    工具描述中没有隐藏指令

    已读取 26 个工具描述,未发现针对 AI 的隐藏指令

与“搜索与 AI 记忆”中的其他服务器比较i

  • 星标数多于此分类中其他 5660 个服务器的 0%
  • 发布到注册中心的时间比此分类中其他 5660 个服务器的 68% 更新
  • 基础检查结果等于或优于此分类中其他 5660 个服务器的 39%

与注册中心里这个分类中所有活跃的服务器比较。只有当发布者拥有该仓库时,星标数才计入。

常见问题

call402 — x402 Agent Services 安全吗?

它在 3 项适用的基础检查中通过了 2 项。我们没有阅读代码。在添加密钥或令牌之前,请先看看这个服务器要求哪些权限,并使用只具备所需权限的密钥。

它需要哪些密钥或代码?

注册中心没有列出必需的密钥,不过有些服务器会在首次使用时要求你登录。

它在我的电脑上运行还是在云端?

它在作者的云端运行。通过互联网连接,无需安装,但你发送的内容会经过作者的服务器。

它还在维护吗?

GitHub 仓库最后更新于–,最新版本(1.0.0)于20天前进入注册中心。

哪些应用可以使用它?

支持 MCP 的应用,例如 Claude Desktop、Claude Code、Cursor 和 VS Code。它通过 URL 连接,所以接受远程 MCP 服务器的应用也可以使用,例如开启开发者模式的 ChatGPT。

有什么可以替代它?

同一分类中有:Context7, Codebase Memory, Exa

替代选择

同一分类中其他作者的服务器,按星标数排序。

如何看卡片:★ GitHub 星标i三大支柱:评价 · 检查 · 使用情况i更新 = 最新版本发布到注册中心的时间i

Context7

作者:upstash

Up-to-date docs for AI agents

电脑或云端★ 64,224MIT昨天更新
安装

Codebase Memory

作者:DeusData

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

在你的电脑上运行★ 48,148MIT21天前更新
安装

Exa

作者:exa-labs

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

在云端运行★ 5,213MIT2个月前更新
安装

作者的 README

仓库中没有找到 README

问 PopNx