MCP server

call402 — x402 Agent Services

io.github.lgs1520/call402

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

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

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

14

Token cost

About 1,882 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 call402 https://call402.com/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.call402]
url = "https://call402.com/mcp"

Gemini CLI

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

Cursor

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

VS Code

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

Antigravity

agy mcp add call402 https://call402.com/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":"call402","server_url":"https://call402.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"call402","server_url":"https://call402.com/mcp"}

Tools

• dex-quote ~124 tokens
  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.
• domain-lookup ~138 tokens
  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 checks, counterparty infr
• email-verify ~153 tokens
  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 MX hosts found. Does
• fear-greed-index ~156 tokens
  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 detection before trad
• fx-rates ~172 tokens
  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 daily reference rates,
• hash-tools ~97 tokens
  Run local cryptographic utilities: SHA-256 and SHA-512 hashes, Base64 encode/decode, or a random UUID v4. No upstream service is called.
• language-detect ~114 tokens
  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.
• phone-lookup ~119 tokens
  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)".
• qr-code ~136 tokens
  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 ~126 tokens
  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.
• ssl-check ~130 tokens
  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 endpoint checks and
• text-extract ~138 tokens
  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 monitoring. First-party
• text-to-structure ~194 tokens
  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 key:value pairs fro
• timestamp-convert ~85 tokens
  Convert Unix seconds, Unix milliseconds or an ISO date to UTC and Asia/Shanghai timestamps. An empty object returns the current time.

Browse

• GitHub tools
• QRCode tools
• Web search
• Website monitoring
• Domains and DNS
• Email

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