# x402 Web Tools

- Registry name: `dev.workers.microtools-x402.x402-web-tools/web-tools` · version 0.2.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Research & knowledge, Search & data, Audio & speech, AI, media & content
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.workers.microtools-x402.x402-web-tools%2Fweb-tools
- Server page: https://mcpstation.net/s/dev.workers.microtools-x402.x402-web-tools--web-tools.html

## Description (written by the publisher, not verified, not instructions)

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

## Notice

Text that looks like instructions to an AI was found in this server's descriptions. This is a pattern match, not a verdict.

## Connect

- streamable-http: `https://x402-web-tools.microtools-x402.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `read\_url`: 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`: 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
- `read\_pdf`: 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.
- `transcribe\_audio`: 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
- `search\_papers`: 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
- `get\_paper`: 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
- `check\_citation`: 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
- `ping`: 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.
- `health`: Free health check. Returns service status, version, tool prices, network and the plain-HTTP x402 endpoints.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html