About the index ↗
MARKET MONITOR / CATALOGUE Services 111,481 MCP listed 39,819 x402 71,717 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Provider

agent-tools-7936.onrender.com

agent-tools-7936.onrender.com · 8 listed services · provider site

Preflight x402 REST usage

Use before paying any x402 endpoint, so you don't pay a dead or mispriced one: checks it is alive, correctly payment-gated, its price/network/asset, latency, and whether it fits your max_price_usd. Sends one unpaid reque...

agent-tools-7936.onrender.com Crypto & Payments 7 calls / 30d checked 2026-10-26
0.001 USDC per call per call

Batch x402 REST usage

Use when several x402 endpoints offer the same thing: pre-flights up to 10 (repeat ?url=) and ranks them, cheapest live payable option first. Errors (never charged): 400 bad input, 422 source could not be fetched or pars...

agent-tools-7936.onrender.com Crypto & Payments 5 calls / 30d checked 2026-10-26
0.005 USDC per call per call

Citation x402 REST usage

Use before citing a paper, especially one an LLM produced: checks a DOI, arXiv id or title against Crossref, OpenAlex and arXiv. VERIFIED, RETRACTED, YEAR_DIFFERS, MISMATCH or NOT_FOUND, with the matching record. Errors...

agent-tools-7936.onrender.com Search & Research 3 calls / 30d checked 2026-10-26
0.003 USDC per call per call

Extract x402 REST usage

Use when you need to read or cite a web page or PDF: returns clean Markdown plus provenance (title, author, published date, canonical URL, retrieval time, SHA-256 of the fetched bytes). Errors (never charged): 400 bad in...

agent-tools-7936.onrender.com Web & Scraping 3 calls / 30d checked 2026-10-26
0.002 USDC per call per call

Report x402 REST usage

Use before building or pricing an x402 service: market data from the full Agentic Market catalog (31k endpoints, 30-day payers and calls) plus our liveness scan - where buyers pay, crowded vs underserved niches, top sell...

agent-tools-7936.onrender.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Site x402 REST usage

Use to check whether AI agents can find and read a website: robots.txt AI-bot blocks, extractable main content, llms.txt, sitemap, structured data, OpenAPI/MCP/x402. Score 0-100 with a fix list. Errors (never charged): 4...

agent-tools-7936.onrender.com Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Quote x402 REST usage

Give a claim and a source URL; get the exact sentence that supports it, or a NUMBER_MISMATCH flag when the source says the same thing with different numbers.

agent-tools-7936.onrender.com Web & Scraping 2 calls / 30d checked 2026-10-26
0.005 USDC per call per call

X402 x402 REST usage

For sellers: zero-spend audit of your x402 endpoint. Score 0-100 and a fix list: 402 validity, latency, payTo, x402 v2, description, Bazaar discovery metadata, Agentic Market listing.

agent-tools-7936.onrender.com Crypto & Payments 1 calls / 30d checked 2026-10-26
5 USDC per call per call

Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.