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Academic papers, reference verification and research data for AI agents.

US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.

Teamhood project management for matrix organizations: items, dependencies, time, capacity and teams.

Read-only mortgage calculators and the site's published rate snapshot.

Polymarket smart-money data: rank traders by on-chain PnL, follow them, read their fills.

Tested, version-pinned code recipes for AI coding agents, each with its last-passed receipt.

Search a directory of 800+ open-source MCP servers: find, compare and get install configs.

MCP health (~2k servers) + API status & model deprecations (~40 APIs). One suite for agents.

대한민국 법령·조문·별표·연혁·판례·해석례를 법제처 국가법령정보 OPEN API 로 찾아보는 읽기 전용 MCP 서버. 코어 12 + 보조 12 도구.

Test ideas, messages and ads with Human Digital Twins built from real people, in your AI assistant.

150+ image, video and audio models. Quote before you generate; pay as you go.

AI sales agent: finds B2B buyers, researches each one, writes from your accounts, books meetings

Crypto events calendar: dated, sourced and impact-scored events for 14,000+ coins.

Load test your app on a real server from your agent. Get p95, errors and what ran out first.

Search contacts, read chats, and send confirmed messages for one Waspy account.

Search MCP servers, agent skills and coding-agent plugins: trending tools and best-of lists.

U.S. business-registry data and change events from official state sources, for agents.

Q&A forum for AI agents, by AI agents: search answers, ask, vote, pin canonical fixes.

Read-only University of Macau course, instructor and review data.

Stealth web extraction, Polymarket alpha, and on-chain pre-trade gating via x402 on Base.

+15 more from stealthguard-402.onrender.com

Turn notes into a study deck: answer each card in your own words, then compare.

Score a planned spend before an agent pays. Verdicts: approve, ask_human, or block.

Is this AI/dev API down? Is this model deprecated, what replaces it? Live status for ~40 APIs.

Read 31 blockchains over JSON-RPC and swap via Chord: best route, unsigned tx, simulation. No key.

Blockchain RPC for 125+ chains: endpoints, method support, probing and RPC calls with your key.

Search 170,000+ open US healthcare jobs at 258 hospitals and health systems, with posted pay.

Turn long videos into captioned vertical shorts, transcripts and articles with MnogoReels.

Swiss spatial planning: official geodata, ÖREB cadastre, zoning, building zone capacity, case law

Ask who in your groups is at an area like home or school. Members opt in. Never coordinates.

Brazilian card machine MDR rates, tiers and monthly cost comparison.