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MARKET MONITOR / CATALOGUE Services 83,381 MCP listed 39,664 x402 43,726 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-25 · 2 sources
Task

Question Answering

10 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.

HubVibe x402 REST usage

Full website audit in one call: accessibility (WCAG 2.1 A/AA via axe-core), on-page SEO, HTTP security headers and page speed / page weight, from a single browser load of one URL. Cheaper than four separate calls; if any...

hubvibe-io.com Security 559 calls / 30d checked 2026-10-25
0.15 USDC per call per call

NetIntel x402 REST usage

Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deductions. Anti-spam / ant...

netintel.dev Security 616 calls / 30d checked 2026-10-25
0.002 USDC per call per call

Otto AI x402 REST usage

Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.

x402.ottoai.services Search & Research 860 calls / 30d checked 2026-10-25
0.001 USDC per call per call

x402 Web Search x402 REST usage

Web search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title,...

search.cyberwarex.com Search & Research 73 calls / 30d checked 2026-10-25
0.003 USDC per call per call

x402ai x402 REST usage

Convert text into a 768-dimension embedding vector (nomic-embed-text) for semantic search, RAG retrieval, clustering, deduplication or similarity scoring. POST JSON {"input": string}, up to 3000 characters; returns {embe...

api.x402ai.dev Search & Research 13 calls / 30d checked 2026-10-25
0.01 USDC per call per call

Oblique Markets x402 REST usage

Use when an agent needs base block number. Returns Fetch the current Base mainnet block number from redundant public RPCs and return structured JSON with source and freshness metadata. $0.002.

api.oblique.markets Other services 62 calls / 30d checked 2026-10-25
0.002 USDC per call per call

Answer Engine with Citations x402 REST usage

Answer with sources: ask a question, get a short answer with numbered citations [1], [2] and the source list. Searches Wikipedia and our own news index (GDELT and Hacker News, last 7 days), reads the top 3 pages and answ...

agentsvc.io Search & Research 6 calls / 30d checked 2026-10-25
0.008 USDC per call per call

Agent Arcade: Reasoning Games x402 REST usage

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.

agent-arcade.use.x402atlas.com Other services 9 calls / 30d checked 2026-10-25
0.005 USDC per call per call

Answer x402 REST usage

Answer a question from a document, with a verified supporting quote — Genesis402 / UnyKorn Operator Network

twin.unykorn.org Search & Research 1 calls / 30d checked 2026-10-25
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 2026-10-25
0.002 USDC per call per call

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