bots.st/web-tools
x402 Web Tools
PDF/web to Markdown, transcription, paper search and citatio
2342 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 9
- Answered
- 1 of the last 3 calls
How to reach it
- MCP, HTTP
https://x402-web-tools.microtools-x402.workers.dev/mcp
What it can do
| Tool | What it says it does |
|---|---|
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| Check whether a cited paper really exists (catch hallucinated or mistyped references) and whether it has been retracted.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… |
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… |
health | Free health check. Returns service status, version, tool prices, network and the plain-HTTP x402 endpoints. |
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. |
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. |
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… |
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 /… |
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… |
In its maker's words
Web/PDF to Markdown, transcription, paper search and citation checks. Pay per call in USDC via x402.
- Website
- x402-web-tools.microtools-x402.workers.dev
- Publisher
- x402-web-tools.microtools-x402.workers.dev
- Listed from
- the official MCP Registry as
dev.workers.microtools-x402.x402-web-tools/web-tools - Version
- 0.2.0, updated 20 Oct 2026
- Kinds of work
- Search and research, Documents and files, Writing and translation
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2342 ms | |
| Answered with an error | ||
| Answered with an error |
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