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Literature-review automation for grad students, R&D teams, and research agents. Find papers by topic, pull citation counts, identify highly-cited work in a field, and trace citation chains. Two sources unified so you don't miss preprints (ArXiv) or older landmark work (Scholar).

Federal and state court record lookup. Run a name or company through and get back filings, case status, and judgment data. Common uses: M&A due diligence, hiring background checks, journalist investigations. Returns structured records, not raw PDFs.

**The adaptive health-messaging engine for apps and agents — federally-sourced, audience-safe facts, lists & tips, keyless to try.** Call `lookup_health_fact` from any MCP client (Claude Desktop, Cursor, the OpenAI Agents SDK) with no API key and no signup, and get a CDC/NIH/USPSTF/SAMHSA-sourced fact, list, or tip with its source link. The full Signal API — sequenced cued-message streams over a 16,500+ library of federally-sourced facts, lists & tips that advance on each patient's response, eac

MotiveGrid Vehicle Database is an MCP server that provides AI assistants with grounded vehicle intelligence. Compare cars, retrieve vehicle scorecards, analyze five-year cost of ownership, evaluate safety and driver-assistance features, and generate personalized vehicle recommendations using structured automotive data instead of web search.

Postal address validation API for AI agents. Parse and validate addresses worldwide: country detection, component extraction (street, city, state, postal code), postal code format verification. Supports US, UK, FR, DE, and 50+ countries. Tools: address_validate. Use this for KYC compliance, shipping address verification, CRM data cleaning, or form validation. Returns structured components for standardized storage. Returns: {valid, components, country, formatted}. No API key required — x402 mi

QR code generation API for AI agents. Generate QR codes from any text or URL: base64-encoded PNG output, configurable size (100-1000px). Fast and lightweight. Tools: utility_generate_qr_code. Use this for generating payment links, sharing URLs, encoding data for mobile scanning, or building checkout flows. IMPORTANT: For barcode generation (EAN-13, UPC), use utility_generate_barcode. Returns: {qrCode (base64 PNG), size}. No API key required — x402 micropayment $0.001/call on Base L2.

Connect voice telephony to your AI agent. Make outbound calls, get transcripts, check call status — all via MCP tools. Built on Asterisk + Yandex SpeechKit. OAuth 2.1, FZ-152 compliant.

NFT metadata lookup API for AI agents. Get name, image URL, attributes, description, and collection info for any NFT from contract address + token ID. Ethereum and Base chains supported. Tools: crypto_get_nft_metadata. Use this when you need specific NFT details: image, traits, rarity traits, or ownership info. IMPORTANT: For collection-level data (floor price, volume), use nft_get_collection_data instead. Returns: {name, image, attributes[], collection, owner}. No API key required — x402 mic

Prediction market event resolution API for AI agents. Determine if real-world events occurred with confidence scores. Aggregates news, price feeds, and web data for binary, numeric, and categorical outcomes. Settlement oracle for prediction markets. Tools: event_resolve_outcome, event_verify_claim, event_check_price_threshold. Use this for resolving prediction market bets, verifying event outcomes, or building automated settlement systems. IMPORTANT: For market odds and probabilities, use pred

DeFi yield aggregator API for AI agents. Find the best lending, staking, and LP yields across 100+ protocols (Aave, Compound, Morpho, Lido, Yearn, Curve, Convex). Powered by DeFiLlama with TVL, risk scoring, and historical APY. Tools: defi_find_best_yields. Use this when looking for yield opportunities, comparing protocols, or building DeFi portfolio strategies. IMPORTANT: For swap quotes, use dex_get_swap_quote. For gas costs, use gas_get_current_price. Returns yields sorted by APY with TVL

Crypto token price API for AI agents. Real-time prices via CoinGecko for 10,000+ tokens: current price in USD, 24h change %, market cap, 24h volume, and all-time high. Bitcoin, Ethereum, Solana, memecoins — everything. Tools: finance_get_token_price. Use this when you need current crypto prices for trading, portfolio valuation, alerts, or market analysis. The most basic crypto data tool every agent needs. IMPORTANT: For historical OHLCV candles, use token_get_ohlcv_history. Returns: {price, c

Read-only Douyin MCP by SocialDataX with 13 tools for hot search, work search and details, comments and replies, creator profiles, creator works, and creator series. Use SOCIALDATAX_API_KEY from https://socialdatax.com.

IP geolocation API for AI agents. Locate any IP address: country, city, region, ISP, ASN, latitude/longitude, and VPN/proxy/Tor detection. IPv4 and IPv6 supported. Single and batch modes. Tools: ip_lookup_geolocation (single), ip_lookup_geolocation_batch (multiple IPs). Use this for geo-targeting, fraud detection, access control, or analytics enrichment. IMPORTANT: For domain-level intelligence, use domain_lookup_intelligence instead. Returns: {country, city, isp, asn, vpn, coordinates}. No A

Text-to-speech API for AI agents. Convert text to natural speech audio in 20+ languages via Google TTS engine. Returns base64-encoded MP3 ready for playback. Tools: media_text_to_speech. Use this for voice notifications, accessibility features, audio content generation, or building voice interfaces. Returns: {audio (base64 MP3), language, duration}. No API key required — x402 micropayment $0.005/call on Base L2.

Conductor Relay is an agent-native exchange where autonomous agents build, sell, and transact **any software** — settled in managed internal CPTM (closed economy; no cash-out). This MCP server connects you to the live exchange: - **Public (no key):** exchange status, network stats, CPTM price, capability directory, and trial-agent registration. - **With a `cr_agent_` key:** list/claim/submit jobs, check balance, request sandbox funds, and resolve commercial intent. Get a key instantly with the

Email finder API for AI agents. Find professional email addresses from a person's name and company domain. Tests 15+ email patterns (first.last@, f.last@, first@, etc.) against live MX records with confidence scoring. Tools: email_find_by_name. Use this when you have a prospect's name and company but need their email. Essential for outbound sales, recruiting outreach, and partnership emails. IMPORTANT: Always verify found emails with email_verify_address before sending. Returns: {email, confi

Book hotels worldwide — search, price, prebook & book across 249 countries. 65 tools for hotel search, flights, loyalty, analytics. Zero API keys needed. at best prices for hotels 3 M+ property

SMS MCP server for AI coding tools and developers to integrate SMS messaging, notifications, OTPs, alerts, reminders, and automations into apps using real Android devices via SMS8.io.

42 herramientas de fiscalidad, derecho laboral y finanzas de España: IRPF, autónomos, nóminas, despidos, herencias, pensiones e hipotecas. Cálculos con normativa española. Compatible con Claude, ChatGPT, Mistral y cualquier cliente MCP. Sin registro, sin API key.

AgentBodega gives agents a live catalog of x402-ready paid data tools they can discover, price, inspect, and call without guessing schemas. Use this MCP server to search AgentBodega’s available services, compare per-call prices, inspect required and optional inputs, review output formats, and generate ready-to-run HTTP/x402 call snippets. The catalog covers public data, social lookup, real estate, weather, cloud and provider status, deploy readiness, domain checks, artifact hosting, x402 inspec