MARKET MONITOR / CATALOGUE Services 137,033 MCP listed 41,666 x402 95,456 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-02 · 3 sources
Task

Citations

67 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Catalog x402 REST usage

Structured varietal data and verifiable research provenance for 150+ honey varieties, including the obscure long tail foundation models get wrong. Every compositional datum resolves to a real, published source (DOI/PMID)...

api.melvea.com Search & Research 1 calls / 30d checked 2026-11-01
0.05 USDC per call per call

Check x402 REST usage

Inspect citation overlap before counting corroboration. Supply 2-10 URLs, optional article HTML and citation chains. Returns duplicate URLs, shared links and supplied-source groups with locations. No fetching, truth or i...

citation-overlap-checker.mekler.ai Search & Research 1 calls / 30d checked 2026-10-31
0.05 USDC per call per call

JMT Search Answer x402 REST usage

Search-grounded answer with source URLs, synthesized by a local LLM with no cloud token dependency.

jmt-x402-proxy.jmthomasofficial.workers.dev Search & Research 5 calls / 30d checked 2026-11-02
0.01 USDC per call per call

Citation locator conversion x402 REST usage

Convert half-open UTF-8 byte, UTF-16 code-unit, or Unicode code-point spans into all three units for supplied text. Reject offsets inside a code point. No PDF parsing, page inference, or external source lookup.

www.mahastrategies.com Dev & Code 2 calls / 30d checked 2026-11-01
0.024 USDC per call per call

AxonGate x402 REST usage

Fact-check one claim against live web sources (or URLs you supply). Returns a verdict (supported, refuted, mixed, insufficient), a confidence score and supporting or contradicting quotes that are checked verbatim against...

api.axongate.one Web & Scraping 2 calls / 30d checked 2026-11-01
0.02 USDC per call per call

most-cited-papers x402 REST usage

The most-cited papers on a topic (Crossref citation counts), for literature reviews and finding the foundational work: title, authors, year, venue, DOI, citations, abstract. $0.02 per search.

intel.rallylive.ca Search & Research 2 calls / 30d checked 2026-10-31
0.02 USDC per call per call

Saylor Innovations DOI Citation x402 REST usage

Resolve a DOI to publication metadata - citation text, identifiers and source links

saylorinnovations.com Search & Research 4 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Saylor Innovations Publication x402 REST usage

Find up to five publications by query - DOI, authors, year and citation count

saylorinnovations.com Search & Research 4 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Academic Paper Search x402 REST usage

Scientific and academic paper search: research papers and scholarly literature from arXiv, PubMed, OpenAlex, Crossref and Semantic Scholar in one call, deduplicated and retraction-aware. Each hit: DOI, authors, venue, sn...

papers.use.x402atlas.com Search & Research 4 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Agent Evidence API & US Weather x402 REST usage

US weather forecast: the next five National Weather Service forecast periods for a latitude and longitude - temperature, wind speed and direction, and the plain-language forecast.

agent-evidence.thx93.dev Geo & Maps 4 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Web Search Answer + Citations x402 REST usage

Answer a question from the live web with citations, no LLM so nothing is hallucinated: Google's featured snippet / knowledge panel when there is one, plus the best-matching quoted passages from the top pages read in full...

agent-search.centorprat.workers.dev Search & Research 3 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Agent Evidence API & US Weather x402 REST usage

US weather forecast: the next five National Weather Service forecast periods for a latitude and longitude - temperature, wind speed and direction, and the plain-language forecast.

agent-evidence-api.thx93.workers.dev Geo & Maps 3 calls / 30d checked 2026-11-01
0.01 USDC per call per call

Veridictum Legal x402 REST usage

Verify one legal citation. Body: {"citation": "<string>"} - full ("Miranda v. Arizona, 384 U.S. 436 (1966)") or bare ("384 U.S. 436"); the case name enables mismatch detection. Deterministic: regex plus cache / local cor...

veridictum.legal AI Models & Inference 3 calls / 30d checked 2026-11-02
0.01 USDC per call per call

know.fast x402 REST usage

Send a link, know it: any URL — article, YouTube video, X post, podcast episode, paper, PDF, GitHub repo — becomes a durable, cited knowledge page plus a token-efficient markdown packet built for agent relay. Flat $0.01...

know.fast Media & Creative 3 calls / 30d checked 2026-11-02
0.01 USDC per call per call

Evidence402 x402 REST usage

Read a public static HTTPS webpage as clean text with headings, links, timestamp and content hash. Use to ground an answer or ingest documentation. Respects robots.txt; no JavaScript or login.

evidence402.onrender.com Web & Scraping 5 calls / 30d checked 2026-11-01
0.005 USDC per call per call

Web Answer x402 REST usage

AI-generated answers powered by Exa web search. Ask a factual or open-ended question and receive a synthesized answer with source citations.

api.ai-open-models.com Search & Research 2 calls / 30d checked 2026-11-01
0.011 USDC per call per call

Papers x402 REST usage

Academic literature from Crossref, the DOI registry itself. Search by topic, author or exact DOI and get normalised records with citation counts, journal, publisher, authors with affiliations, and an open-access flag, pl...

x402-filings.datalayer.workers.dev Search & Research 2 calls / 30d checked 2026-11-01
0.01 USDC per call per call

neo verify-quote x402 REST usage

Is this exact sentence on this public page? verbatim / paraphrase / stitched / not_found / unreachable, with an Ed25519-signed receipt logged in a public, witnessed, append-only log.

neo-collettive.onrender.com Infrastructure 2 calls / 30d checked 2026-10-30
0.01 USDC per call per call

Academic Paper Lookup x402 REST usage

Scientific paper lookup by DOI, arXiv id or PMID: full abstract, Semantic Scholar TLDR, ready-to-paste BibTeX and APA citations, citation counts, retraction flag, paper type, open-access PDF link. Merged from OpenAlex, C...

papers.use.x402atlas.com Search & Research 3 calls / 30d checked 2026-11-01
0.005 USDC per call per call

Scholarly works search x402 REST usage

Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link; by relevance, citations or date.

api.vextorium.com Search & Research 5 calls / 30d checked 2026-11-01
0.003 USDC per call per call

Web Answer x402 REST usage

Use when an agent needs a sourced answer to a question from the live web in one call. Input: q (question), optional time_range (day, week, month, year). Output: JSON answer (English, inline [n] citations), citations [{ur...

1gateway.dev Search & Research 1 calls / 30d checked 2026-11-01
0.012 USDC per call per call

SWARM x402 REST usage

SWARM Site Check - Website uptime and link check in one call: is a URL up, its HTTP status, final URL after redirects, response time and TLS/certificate errors. Use when an agent monitors sites on a schedule, verifies a...

swarm-agent.net Infrastructure 6 calls / 30d checked 2026-11-01
0.002 USDC per call per call

Toll402 x402 REST usage

Offline validator for a Romanian CUI (company tax ID). Strips an optional 'RO' prefix, applies weights 7-5-3-2-1-7-3-2 to the digits preceding the check digit (right-to-left), sums the weighted products, multiplies by 10...

toll402.dev Geo & Maps 11 calls / 30d checked 2026-11-02
0.001 USDC per call per call

Research Brief Agent Work x402 REST usage

Produce a source-backed research brief for an agent task using current web and authoritative sources: send a topic or question and get a brief with the sources and citations it relies on.

via-router.floot.app Search & Research 1 calls / 30d checked 2026-11-01
0.01 USDC per call per call

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