Research: MCP servers, A2A agents and x402 APIs

• Cookiy Live MCP

  AI user research via studies, interviews, recruitment, reports, and quantitative surveys.

  MCP server · ai.cookiy

• craigmbrown.com Live x402

  Fast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcomes.jsonl). The quick…

  x402 paid API · 12 endpoints

• darrylbots.com Live x402

  Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution (3 paid endpoints on darrylbots.com.)

  x402 paid API · 3 endpoints

• Dealwork-MegaWorkers Live A2A

  Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and Gemini AI Python execution. Delivers real output file…

  A2A agent · Dealwork · 8 skills

• defi-intel Live MCP

  Operator-grade DeFi intelligence MCP. - 10 tools vs DefiLlama's basic 4, - adds governance proposals, - RWA attestation scores, - live X/Twitter narrative. - No enterprise subscription - and a one-call operator brief th…

  MCP server · defibabylon

• Diffusion Love Knowledge Live MCP

  Public knowledge and news search. Unmatched public queries may be retained for research.

  MCP server · io.github.AnastasiyaW

• DirectCase Legal Search Live MCP

  Search national and EU case law, legislation and regulation, with citations you can verify.

  MCP server · ai.directcase

• domain-age-checker.underscoredone.com Live x402

  Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domain…

  x402 paid API · 1 endpoint

• Drillr — The financial MCP for AI agents Live MCP

  Financial data and research MCP for US/CN/JP equities: filings, statements, ownership, signals.

  MCP server · ai.drillr

• elements-live.com Live x402

  Lab quote: a filter query (+must -exclude "topic" (a OR b) wild* year:a..b) in; matching paper volume by year and research community, and a binding price per deliverable out. (8 paid endpoints on www.elements-live.com.)

  x402 paid API · 8 endpoints

• ElevenFlo MCP Live MCP

  Court-grounded Chapter 11 bankruptcy research over hosted remote MCP

  MCP server · com.elevenflo

• EntityReach Corporate Group Intelligence Live MCP

  Enterprise account-research resources, product information and reproducible corporate-group samples.

  MCP server · com.entityreach

• Evidence Board Live MCP

  Evidence boards for investigations: add files, link them, keep a chronology, review with citations.

  MCP server · com.mtgtechnical

• Feason Context Live MCP

  Christian source evidence for AI agents, with provenance, tradition coverage, and citation checks.

  MCP server · io.github.Feason-com

• fetchharbor.benlab.download Live x402

  Fetch one public HTTP(S) URL for research, extraction, or agent workflows. Returns the final URL, upstream status, content type, and decoded content. Private, local, metadata, and reserved destinations are blocked; redi…

  x402 paid API · 3 endpoints

• Fidenta Verify Live MCP

  Independent fact-checking for AI answers: a verdict and sources for every claim.

  MCP server · ai.noevant

• FlowLeap Patent AI Live MCP

  EPO/USPTO search, citations, OCR, plus PATSTAT Portfolio Analytics, guarded SQL and Graph Analytics.

  MCP server · co.flowleap

• Fodda Deep Research Live MCP

  Autonomous deep research reports merging PSFK trend graphs with citable sources.

  MCP server · ai.fodda

• Fodda Research Agent Live A2A

  Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — F…

  A2A agent · Fodda (PSFK) · 7 skills

• Followin MCP Live MCP

  Investment-bank research, market data, news and trader signals for crypto and US equities.

  MCP server · io.followin

• ForcedAlpha Supply Chain Graph Live MCP

  Evidence-aware supply-chain research. Authentication required: OAuth or a client-stored API key.

  MCP server · com.forcedalpha

• ForceDream Live A2A

  ForceDream routes work to specialist agents and returns a verifiable record of what happened. Describe the work in plain language, such as extracting fields from a contract, summarising a document, or reviewing code. Fo…

  A2A agent · ForceDream · 12 skills

• Frase SEO Live MCP

  SEO, GEO & AI Visibility — research, write, optimize, publish & monitor content. 121 tools.

  MCP server · io.frase

• GAIP Live A2A

  GAIP, the Governed Agentic Intelligence Platform, keeps an independent, dated record of what AI agents, MCP servers and online shops publish, and answers questions about that record with signed receipts. Free, read-only…

  A2A agent · GAIP · 12 skills

• Game Industry Library Live MCP

  Search 300+ game industry reports with hybrid search, claims, charts, and citations.

  MCP server · com.gameindustrylibrary

• GanjaMon AI Live A2A

  The only ERC-8004 agent with roots in the physical world. Autonomous AI agent on Monad combining real-world IoT horticulture (environmental sensors, smart actuators, webcam vision) with multi-chain trading signal aggreg…

  A2A agent · Grok & Mon · 7 skills

• Gapup MCP — 270+ Agent-payable AI Tools Live MCP

  270+ agent-payable C-suite expertises (competitive intel, SEC filings, sanctions multi-jurisdiction, KYC, pentest scope, clinical evidence GRADE-graded, real-estate deals EU-first, ESG, NAICS classifier, patent landscap…

  MCP server · getgapup

• Ghost — web search for agents, one x402 payment Live A2A

  Search the web and get the results, in one x402 payment. Ghost runs the search on its own provider account and returns the actual results — organic hits, answer box, knowledge panel, related questions — normalised into…

  A2A agent · Ghost Agent OS · 5 skills

• GitHub Analytics MCP — Repo & Trend Research Live MCP

  Repo statistics, trending lookups, code-search queries, and dev-trend aggregation. For AI agents that need to evaluate libraries, monitor competitor projects, or surface emerging open-source tools. Distinct from the Dev…

  MCP server · nexgendata-apify

• google-trends.use.x402atlas.com Live x402

  Google Trends related search queries for a keyword by country — top & rising terms for SEO keyword research, query expansion and content ideas. (5 paid endpoints on google-trends.use.x402atlas.com.)

  x402 paid API · 5 endpoints

• Great Question Live MCP

  Run user research from any AI tool. Create studies, recruit participants, query insights.

  MCP server · io.github.GreatQuestion

• Greca House: Greek Property Live MCP

  Greca House listings, details, dated asking-price research, budget context and resale cost estimates

  MCP server · com.grecahouse

• Gridzen Verification Live MCP

  Country verification research, integration planning and synthetic tests. No live identity checks.

  MCP server · ai.gridzen

• grokzilla.shop Live x402

  Estimate whether text (or a web page's text) is AI-written, with signals and confidence band (22 paid endpoints on grokzilla.shop.)

  x402 paid API · 12 endpoints

• Groundtruth — Ask Real Humans Live MCP

  Human-in-the-loop user research: ask real people what the web can't answer, get verbatim replies

  MCP server · app.vercel.groundtruth-ruby

• ham.run Live MCP

  Open-source marathon physiology calculators for endurance runners. 12 tools: race time prediction (Riegel model), pacing strategy, fueling plans, running economy analysis, caffeine protocols, heat acclimation planning,…

  MCP server · hamrun

• holdsup.app Live x402

  Published fact-checked episodes, newest first, with optional filters by category slug, show id or speaker slug. Paged. (2 paid endpoints on holdsup.app.)

  x402 paid API · 2 endpoints

• HostingBrain Intelligence Live MCP

  Market research on European hosting and domains: ownership, structure, pricing, technology adoption.

  MCP server · ai.hostingbrain

• hydratrader.ai Live x402

  Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. When to use: cheap agent glue / probe steps for buyer-supplied text. Returns JSON for $0.01 per call in USDC on Base via x402. No API key. Local-…

  x402 paid API · 9 endpoints

• Instilus small-business decision tools Live MCP

  Valuation, EBITDA, break-even, margin, rates, acquisition, competitor research, store audit.

  MCP server · com.instilus.www

• Invexia Stock Research Live MCP

  Free US stock research: snapshots, Titan Score valuation scorecards, 37 screeners, daily lists.

  MCP server · ai.invexia

• iposignal-dashboard-372lo399x-waltermelonlangs-projects.vercel.app Live x402

  Full IPO company profile with AI research, valuation analysis, and deal terms

  x402 paid API · 1 endpoint

• Jason Lovell Live MCP

  Read-only tools for Jason Lovell's AI research: studies, builds, releases, search and contact.

  MCP server · ai.jasonlovell

• jmthomasofficial.com Live x402

  Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and equity due diligence.

  x402 paid API · 1 endpoint

• k-data-x402-production.theblack1022.workers.dev Live x402

  Current USD/KRW exchange rate (ECB reference via Frankfurter, fallback open.er-api.com). (2 paid endpoints on k-data-x402-production.theblack1022.workers.dev.)

  x402 paid API · 2 endpoints

• Korean Law Search Live MCP

  Search and retrieve Korean statutes and administrative rules with precise filters. Access English translations and drill down to articles, paragraphs, and sub-items. Explore linkages with local ordinances and delegated…

  MCP server · rabqatab

• Lazyweb Public Discovery Live MCP

  Keyless, read-only Lazyweb discovery for agents evaluating fit or researching public evidence.

  MCP server · com.lazyweb

• Lead Strategist: Danish CVR company data Live MCP

  Danish company data (CVR) and annual-report financials for B2B lead research. Read-only.

  MCP server · dk.leadstrategist

Related capabilities

x402 paid APIsTrading & marketsLegal & complianceOn-chain dataWeb scrapingWeb searchAgent infrastructureNews

How to use one

MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.

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