MARKET MONITOR / CATALOGUE Services 154,956 MCP listed 48,110 x402 106,975 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-11 · 3 sources
Task

Evidence

226 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.

Japan Supplier Evidence Resolve x402 REST usage

Resolve a Japanese supplier using combined company, qualified-invoice, and address evidence. gBizINFO v2 may add projected activity evidence inside this response as optional enrichment; it is not a standalone data-resale...

api.jpverify.com Media & Creative 1 calls / 30d checked 2026-11-11
0.01 USDC per call per call

NOB7E Evidence Verdict x402 REST usage

Evaluate a claim or question against one supplied HTML or PDF source and return anchored evidence.

evidence-verdict-production.up.railway.app Search & Research 1 calls / 30d checked 2026-11-07
0.01 USDC per call per call

x402-evidence-crosscheck x402 REST usage

Independent second opinion on an x402 resource: compares the seller's Bazaar listing and x402 manifest against the live observed price, payTo, network, method and paywall. Field-level evidence with source, timestamp and...

agente.revenuerecoveryai.app Crypto & Payments 1 calls / 30d checked 2026-10-28
0.01 USDC per call per call

Usaref - N America reference x402 REST usage

Working days / next working day in a date range: weekends + gazetted public holidays

usaref.dev Comms & Messaging 5 calls / 30d checked 2026-11-02
0.002 USDC per call per call

Material-property record check x402 REST usage

Check declared property, unit, temperature, method, uncertainty, source and revision against supported unit conventions. No independent measurement verification.

www.mahastrategies.com Search & Research 1 calls / 30d checked 2026-11-11
0.009001 USDC per call per call

Bracketed Polynomial Root x402 REST usage

Get a checked rational bracket for a degree 1-8 polynomial root. Bisect a sign-changing rational bracket for at most 64 iterations; return a certified bracket or exact rational root. No arbitrary code, all-roots or uniqu...

www.mahastrategies.com Dev & Code 1 calls / 30d checked 2026-11-11
0.009 USDC per call per call

Tool Argument Contract Check x402 REST usage

Check up to 32 JSON argument values against a closed, declared scalar tool contract: types, required fields, code-point length and exact safe-integer bounds. Rounded fractions/underflow are not integers. Returns unknown...

www.mahastrategies.com Dev & Code 2 calls / 30d checked 2026-11-09
0.0045 USDC per call per call

Concentration Basis Reconcile x402 REST usage

Reconcile molarity, mass concentration and fractions when required density and composition inputs exist. Flag missing assumptions; no invented material properties.

www.mahastrategies.com Search & Research 1 calls / 30d checked 2026-11-11
0.008001 USDC per call per call

Celestial Compatibility Check x402 REST usage

Compare two structured celestial result declarations using versioned rules. Reports mismatched conventions and missing prerequisites. No inferred settings, time/frame conversion, calculation verification or predictive va...

www.mahastrategies.com Other services 1 calls / 30d checked 2026-11-11
0.007 USDC per call per call

DNA/RNA composition x402 REST usage

Count DNA/RNA bases and ambiguities and calculate GC fraction on called bases only. Refuses mixed DNA/RNA alphabets; no sequence design or clinical inference.

www.mahastrategies.com AI Models & Inference 1 calls / 30d checked 2026-11-11
0.006001 USDC per call per call

Verified News Monitor x402 REST usage

Find literal query evidence across bounded public news sources with timestamps

phion.systems Crypto & Payments 1 calls / 30d checked 2026-10-28
0.006 USDC per call per call

Citiview Agent Market x402 REST usage

Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.

agents.citiviewgroup.com Security 3 calls / 30d checked 2026-10-28
0.002 USDC per call per call

Dilution calculator x402 REST usage

Calculate stock and working concentrations from supplied quantities with unit and feasibility checks. For arithmetic verification; no chemical-handling or safety guidance.

www.mahastrategies.com Data & Finance 1 calls / 30d checked 2026-11-11
0.005005 USDC per call per call

Cross-Protocol Receipt x402 REST usage

Bind consistent protocol receipt commitments into one auditable bundle

phion.systems Crypto & Payments 1 calls / 30d checked 2026-10-27
0.004 USDC per call per call

Passage hash validation x402 REST usage

Validate exact UTF-8 SHA-256 hashes for up to 64 public or synthetic passages. No Unicode normalization, source authentication, or semantic validation.

www.mahastrategies.com Dev & Code 1 calls / 30d checked 2026-11-11
0.004 USDC per call per call

Tanod sitepeek x402 REST usage

Convert a public web page to Markdown or a PNG screenshot, with optional JavaScript rendering. Private addresses refused. Use when an agent must scrape a web page or fetch a URL as clean Markdown instead of raw HTML.

tanod.dev Web & Scraping 2 calls / 30d checked 2026-11-11
0.002 USDC per call per call

x402 Challenge Policy Check x402 REST usage

Validate an x402 payment declaration before signing. Check a caller-supplied challenge against expected resource, network, asset, payee and exact spending limits; return mismatches and an integrity receipt. Offline only:...

www.mahastrategies.com Crypto & Payments 1 calls / 30d checked 2026-11-11
0.0035 USDC per call per call

P0 Agent Economy Index x402 REST usage

Use when an agent needs x402 market totals. Returns market size: sellers listed by source and evidence (how many P0 has read itself), plus 30-day market totals from x402stats (CC BY 4.0), with attribution and a receipt

x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev Crypto & Payments 3 calls / 30d checked 2026-11-11
0.001 USDC per call per call

Formula and molecular-mass check x402 REST usage

Parse a bounded formula with parentheses using a pinned 30-element average-mass table. Return composition and molar mass; no isotopes, purity or safety claim.

www.mahastrategies.com Search & Research 1 calls / 30d checked 2026-11-11
0.002 USDC per call per call

Covenant x402 REST usage

Observe an MPL Core asset, its 014 Registry binding, and DAS-reported AppData. This does not prove identity or claim truth.

x402-seller.opencovenant.org Crypto & Payments 1 calls / 30d checked 2026-11-11
0.001 USDC per call per call

Machine Works x402 REST usage

Base Sepolia testnet only. One bounded public URL evidence packet: title, metadata, JSON-LD, text extract, links, timestamp and SHA-256. No JavaScript rendering, credentials or private-network access. 0.005 test USDC; no...

machine-works-testnet.weathered-dew-46b4.workers.dev Crypto & Payments 2 calls / 30d checked 2026-10-31
no price published

Guildpilot Evidence x402 REST usage

Extract a public web page into timestamped, normalized evidence.

evidence.guildpilot.app Web & Scraping 1 calls / 30d checked 2026-11-07
no price published

FreshProof x402 REST

Read recent in-memory FreshProof snapshots for a watch ID

freshproof-mvp.onrender.com Infrastructure checked 2026-10-31
no price published

AgentPay Evidence Brief x402 REST

Cited, conflict-aware JSON intelligence brief for current-market, company, technology and regulatory questions. Returns source-bound findings, freshness, conflicts, validation evidence and a verifiable receipt.

api.x402-engine.com Search & Research checked 2026-10-29
0.1 USDC per call per call

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