Research: MCP servers, A2A agents and x402 APIs
Agents that research a question for you: searching sources, reading papers, checking facts and returning a cited answer. 249 listings in the Rooms directory, 247 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- AI Research Assistant Live MCP
The server provides immediate access to millions of academic papers through Semantic Scholar and arXiv, enabling AI-powered research with comprehensive search, citation analysis, and full-text PDF extraction from multip…
MCP server · hamid-vakilzadeh
- Algo Trade Analytics Live MCP
Evidence-gated quant research for TradingView Pine Script strategies, run from your AI client.
MCP server · com.algo-trade-analytics
- AlgoMaker — quantitative trading strategy factory Live MCP
Mine, validate and paper-trade quantitative trading strategies. The engine runs on your machine.
MCP server · com.algomakers
- AlgoVoi Payment Agent Live A2A
Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google A…
A2A agent · AlgoVoi · 5 skills
- almanac.locomot.io Live x402
Deterministic citation formatter — APA 7, MLA 9, Chicago 17 author-date, BibTeX. From structured fields, returns the reference entry (markdown/html/plain) + the in-text citation, reproducing published style-manual examp…
x402 paid API · 1 endpoint
- Alpha Bazaar Arena Live MCP
Paper-trading arena for AI agents: publish stock calls, build attested track records, compete.
MCP server · ai.alphabazaar
- America's Law Graph Live MCP
US federal and state statutory law MCP server. 529K sections across 50 states, the US Code, and Code of Federal Regulations. 11 tools: fulltext search, citation graph traversal, cross-reference navigation, risk surface…
MCP server · vestara
- AMZScout Skill + MCP Live MCP
Amazon research from AMZScout data: analyze products & niches, keywords/PPC, and brand catalogs.
MCP server · io.github.amzscout-corp
- Anlora Live A2A
Reference data for autonomous AI chatter for OnlyFans agencies. Provides agency-cost benchmarks, operator economics, competitive landscape data, and threshold analysis for chatter-team replacement decisions. Public-data…
A2A agent · Anlora · 4 skills
- Anokha Web Tools Live A2A
Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as Markdown, render Markdown to PDF, publish pages, charts…
A2A agent · Anokha Web Tools · 12 skills
- apiacre.com Live x402
Read the latest Base mainnet block and a bounded EIP-1559 fee history in one RPC batch, including gas utilization and priority-fee percentile samples. (40 paid endpoints on apiacre.com.)
x402 paid API · 12 endpoints
- AQL PropertyCheck — Gold Coast & Brisbane Property Intelligence API Live MCP
Gold Coast and Brisbane property intelligence and due diligence for AI agents, renters and buyers.
MCP server · ai.alphaquantlabs
- ARAM Mayhem Live MCP
ARAM Mayhem builds, tiers, augments, combos and patch notes with canonical page citations.
MCP server · io.github.arammayhem
- Arc Research Live MCP
Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.
MCP server · com.getarcresearch
- ArgonautWorks Bounty Signal Live A2A
Autonomous due-diligence tools and evidence products that help agents avoid wasting time on stale, fake, crowded, or unfunded work.
A2A agent · ArgonautWorks · 3 skills
- ArXiv Scout Live MCP
Search and retrieve academic papers directly from arXiv with advanced query capabilities. Extract full text from PDFs to generate summaries, literature reviews, and side-by-side comparisons. Track citations and referenc…
MCP server · shawnnygoh
- Askli Customer Research Live MCP
Run interviews with real customers and retrieve evidence-backed product findings.
MCP server · chat.askli
- ASO Atlas Live MCP
App Store keyword research, rank tracking and App Store Connect performance for your iOS apps.
MCP server · com.asoatlas
- AstraEye Labs Live MCP
Read your AstraEye research reports and talk with SAGE about U.S. stocks and crypto.
MCP server · io.astraeyelabs
- AuditAE SEO MCP Live MCP
SEO MCP: Search Console, GA4, SERP and domain data, rank tracking, AI citations and site fixes.
MCP server · app.auditae
- authorprofilemcp Live MCP
Discover co-authors and collaboration networks for any researcher. Extract research interests and keywords from scholar profiles to understand expertise. Accelerate literature review and team scouting with unified autho…
MCP server · alperenkocyigit
- BerrerGate Tool & Provider Intelligence Live A2A
Agent-first capability intelligence with free discovery, a wisdom-first paid Evidence Brief, low-cost no-web inference, and commercially cleared stack decisions. Payments use Base USDC via x402.
A2A agent · Berrer · 12 skills
- BioAI 日知 Live MCP
Read-only AI biopharma news, research records, companies, and source status from BioAI 日知.
MCP server · io.github.MInsYang
- BRANCO - Droit français Live MCP
Droit français : textes, jurisprudence, citations et calculs. Connexion OAuth au compte BRANCO.
MCP server · fr.juan-branco
- builtwith.com Live x402
Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.
x402 paid API · 1 endpoint
- C4C: Mortgage Industry Regulations Live MCP
Verbatim U.S. mortgage regulatory text with citations and effective dates. Read-only, no sign-in.
MCP server · com.claudeforcompliance
- Canli Research Live MCP
Canli Capital's open research record: papers, killed candidates, trial counts, live record.
MCP server · io.github.arhancanli
- carbon-cashmere.de Live x402
Recent Kaspa blocks (max 144 per call = $1.44 cap). Optional chain_only flag to filter selected-parent chain blocks. AI agent API for backtesters and indexers. Informational research data — not investment advice. (18 pa…
x402 paid API · 12 endpoints
- Catalyst evidence graph Live MCP
Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.
MCP server · ai.catalystproject
- CharitySense Live A2A
Agent-ready nonprofit due diligence surface over public U.S. nonprofit data, including crawlable enriched charity pages, charity search, Form 990 financials, governance checks, grant flows, related organizations, trust…
A2A agent · CharitySense · 9 skills
- chelsea-hermes Live A2A
Callable services for agents and humans: a rule-based code security scan (Python/JS, exact line numbers), travel-request parsing for agencies and BTC/ETH market data (daily candles and derivatives). Deterministic, no LL…
A2A agent · chelsea-hermes · 6 skills
- Chorus Research Live MCP
Create surveys, launch them to real human respondents, and read the responses.
MCP server · io.chorusresearch
- citepulse.theaslangroupllc.com Live x402
Single-paper lookup by DOI or title for research agents — citation count, influence, open-access status with a direct legal-OA link (Unpaywall), venue, and a TLDR. Deterministic passthrough over OpenAlex + Semantic Scho…
x402 paid API · 2 endpoints
- Clarity by Health AI Live MCP
Condition-aware ingredient and product checks for agents, with evidence tiers and citations.
MCP server · com.healthai
- CoinRithm Agent Trading Live MCP
Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.
MCP server · io.github.CoinRithm
- colegal-public-assistant Live A2A
Co-Legal Public Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups…
A2A agent · Co-Legal B.V. · 12 skills
- Commentary Review Live MCP
Human-owned review for agent plans, rendered documents, Forms, research, and live previews.
MCP server · dev.commentary
- Common Paper Live MCP
Create, send, negotiate, sign, and track contracts with Common Paper.
MCP server · com.commonpaper
- companylens.ve1iko.chatgpt.site Live x402
Resolve a UK legal company name or registration number to a sourced Companies House profile. Returns company status, incorporation, SIC codes, registered office, filing due dates and overdue flags. Use for company resea…
x402 paid API · 1 endpoint
- ComplianceCheckup Live MCP
Free automated privacy grades (A+ to F) for 900+ SaaS tools, plus GDPR, HIPAA, PCI DSS, SOC 2, CCPA, and ADA compliance checklists with source citations.
MCP server · friso
- Comrades of War Archive Research Agent Live A2A
Searches a privacy-curated archive of nearly five years of Spanish Call of Duty clan, gaming-community, and SA-MP role-play history. Returns free previews and exact x402 purchase URLs for citation-ready individual forum…
A2A agent · Comrades of War Archive · 1 skill
- concordancehq.duckdns.org Live x402
Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything concordant across indepe…
x402 paid API · 4 endpoints
- Conference Partner Live MCP
Conference & journal CFP deadlines, CCF/ICORE/QUALIS rankings, acceptance rates, research fields.
MCP server · com.myhuiban.www
- CONNSKILL Growth Services Live A2A
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits…
A2A agent · CONNSKILL GmbH & Co. KG · 12 skills
- context-relay.contextrelay.workers.dev Live x402
URL-to-Markdown web extraction and context compression for AI agents. Fetch a public web page and return clean, task-relevant, citation-verifiable LLM context with exact excerpts, locators, hashes, and estimated tokens…
x402 paid API · 1 endpoint
- 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
Related capabilities
x402 paid APIsTrading & marketsLegal & complianceOn-chain dataWeb scrapingWeb searchAgent infrastructureMarketing & SEO
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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