MCP server

x402 Web Tools

dev.workers.microtools-x402.x402-web-tools/web-tools

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

9

Token cost

About 1,958 tokens per request

Sets up in

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

Last checked

26 Oct 2026, 08:29 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 web-tools https://x402-web-tools.microtools-x402.workers.dev/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.web-tools]
url = "https://x402-web-tools.microtools-x402.workers.dev/mcp"

Gemini CLI

{"mcpServers":{"web-tools":{"httpUrl":"https://x402-web-tools.microtools-x402.workers.dev/mcp"}}}

Cursor

{"mcpServers":{"web-tools":{"url":"https://x402-web-tools.microtools-x402.workers.dev/mcp"}}}

VS Code

{"servers":{"web-tools":{"type":"http","url":"https://x402-web-tools.microtools-x402.workers.dev/mcp"}}}

Antigravity

agy mcp add web-tools https://x402-web-tools.microtools-x402.workers.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":"web-tools","server_url":"https://x402-web-tools.microtools-x402.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"web-tools","server_url":"https://x402-web-tools.microtools-x402.workers.dev/mcp"}

Tools

• check_citation ~357 tokens
  Check whether a cited paper really exists (catch hallucinated or mistyped references) and whether it has been retracted. Give a doi, or a title with optional year and first_author. Returns exists, verdict (verified | found | doi_exists_metadata_mismatch | uncertain | not_found), confidence (high/med
• get_paper ~226 tokens
  Look up one scholarly work by DOI (10.xxxx/..., doi.org URL), arXiv id (arXiv:1706.03762) or OpenAlex work id (W...). Returns title, authors, year, venue, DOI, citation count, references count, open-access PDF link, abstract, OpenAlex id and a retraction flag (OpenAlex is_retracted plus Crossref/Ret
• health ~70 tokens
  Free health check. Returns service status, version, tool prices, network and the plain-HTTP x402 endpoints.
• ping ~83 tokens
  Paid connectivity test: returns ok and a server timestamp. Use it to check that your x402 payment flow works end to end. Costs $0.001 USDC per call via x402.
• read_pdf ~149 tokens
  Fetch a public PDF (max 10 MB) and convert it to Markdown with Cloudflare Workers AI toMarkdown. Returns title (if detected), url, markdown, word_count. Same URL safety rules as read_url. Failed conversions are not charged. Costs $0.006 USDC per call via x402.
• read_url ~194 tokens
  Fetch a public web page and return its main content as clean Markdown (readability extraction): title, url, final_url, markdown, word_count. HTML, plain text, Markdown, JSON and XML. Static fetch only (no JavaScript rendering). Respects robots.txt, blocks private/loopback/metadata hosts, max 3 MB /
• read_url_safe ~200 tokens
  Same as read_url plus a heuristic prompt-injection check: flags hidden/invisible text, instruction-like phrases ("ignore previous instructions", role reassignment, secret exfiltration, chat-template tokens), suspicious HTML comments and zero-width/Unicode-tag characters. Returns injection_check {fla
• search_papers ~353 tokens
  Search scholarly papers (OpenAlex index of 250M+ works). Returns up to 25 results with title, authors, year, venue, DOI, citation count, open-access PDF link, abstract (reconstructed from OpenAlex's inverted index; may be null when the publisher withholds it) and OpenAlex id. Optional from_year / to
• transcribe_audio ~326 tokens
  Transcribe a public direct audio file URL (mp3, wav, m4a, ogg/opus, flac; max 25 MB and 10 minutes, checked from the file header before transcription) with Whisper (@cf/openai/whisper-large-v3-turbo) on Cloudflare Workers AI. Returns text, language, duration, segments with timestamps, optional SRT/V

Browse

• Cloudflare tools
• OpenAlex tools
• Website monitoring
• PDF tools
• Converting to Markdown
• Social media

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